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- package utils
- import (
- "bufio"
- "bytes"
- "crypto/hmac"
- "crypto/md5"
- "crypto/sha1"
- "crypto/sha256"
- "encoding/base64"
- "encoding/hex"
- "encoding/json"
- "errors"
- "fmt"
- "html"
- "image"
- "image/png"
- "io"
- "math"
- "math/rand"
- "net"
- "net/http"
- "net/url"
- "os"
- "os/exec"
- "path"
- "reflect"
- "regexp"
- "sort"
- "strconv"
- "strings"
- "time"
- "unicode"
- "gorm.io/gorm"
- "github.com/PuerkitoBio/goquery"
- "github.com/microcosm-cc/bluemonday"
- "github.com/shopspring/decimal"
- xhtml "golang.org/x/net/html"
- )
- func GetRandString(size int) string {
- allLetterDigit := []string{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "!", "@", "#", "$", "%", "^", "&", "*"}
- randomSb := ""
- digitSize := len(allLetterDigit)
- // 随机数种子
- rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
- for i := 0; i < size; i++ {
- randomSb += allLetterDigit[rnd.Intn(digitSize)]
- }
- return randomSb
- }
- func GetRandStringNoSpecialChar(size int) string {
- allLetterDigit := []string{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"}
- randomSb := ""
- digitSize := len(allLetterDigit)
- // 随机数种子
- rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
- for i := 0; i < size; i++ {
- randomSb += allLetterDigit[rnd.Intn(digitSize)]
- }
- return randomSb
- }
- func StringsToJSON(str string) string {
- rs := []rune(str)
- jsons := ""
- for _, r := range rs {
- rint := int(r)
- if rint < 128 {
- jsons += string(r)
- } else {
- jsons += "\\u" + strconv.FormatInt(int64(rint), 16) // json
- }
- }
- return jsons
- }
- // 序列化
- func ToString(v interface{}) string {
- data, _ := json.Marshal(v)
- return string(data)
- }
- // md5加密
- func MD5(data string) string {
- m := md5.Sum([]byte(data))
- return hex.EncodeToString(m[:])
- }
- // HmacMd5 HmacMd5加密
- func HmacMd5(key, data string) string {
- h := hmac.New(md5.New, []byte(key))
- h.Write([]byte(data))
- return hex.EncodeToString(h.Sum([]byte("")))
- }
- // 获取数字随机字符
- func GetRandDigit(n int) string {
- // 随机数种子
- rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
- return fmt.Sprintf("%0"+strconv.Itoa(n)+"d", rnd.Intn(int(math.Pow10(n))))
- }
- // 获取随机数
- func GetRandNumber(n int) int {
- // 随机数种子
- rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
- return rnd.Intn(n)
- }
- func GetRandInt(min, max int) int {
- if min >= max || min == 0 || max == 0 {
- return max
- }
- return rand.Intn(max-min) + min
- }
- func GetToday(format string) string {
- today := time.Now().Format(format)
- return today
- }
- // 获取今天剩余秒数
- func GetTodayLastSecond() time.Duration {
- today := GetToday(FormatDate) + " 23:59:59"
- end, _ := time.ParseInLocation(FormatDateTime, today, time.Local)
- return time.Duration(end.Unix()-time.Now().Local().Unix()) * time.Second
- }
- // 处理出生日期函数
- func GetBrithDate(idcard string) string {
- l := len(idcard)
- var s string
- if l == 15 {
- s = "19" + idcard[6:8] + "-" + idcard[8:10] + "-" + idcard[10:12]
- return s
- }
- if l == 18 {
- s = idcard[6:10] + "-" + idcard[10:12] + "-" + idcard[12:14]
- return s
- }
- return GetToday(FormatDate)
- }
- // 处理性别
- func WhichSexByIdcard(idcard string) string {
- var sexs = [2]string{"女", "男"}
- length := len(idcard)
- if length == 18 {
- sex, _ := strconv.Atoi(string(idcard[16]))
- return sexs[sex%2]
- } else if length == 15 {
- sex, _ := strconv.Atoi(string(idcard[14]))
- return sexs[sex%2]
- }
- return "男"
- }
- // SubFloatToString 截取小数点后几位
- func SubFloatToString(f float64, m int) string {
- n := strconv.FormatFloat(f, 'f', -1, 64)
- if n == "" {
- return ""
- }
- if m >= len(n) {
- return n
- }
- newn := strings.Split(n, ".")
- if m == 0 {
- return newn[0]
- }
- if len(newn) < 2 || m >= len(newn[1]) {
- return n
- }
- return newn[0] + "." + newn[1][:m]
- }
- // 截取小数点后几位
- func SubFloatToFloat(f float64, m int) float64 {
- newn := SubFloatToString(f, m)
- newf, _ := strconv.ParseFloat(newn, 64)
- return newf
- }
- // 截取小数点后几位
- func SubFloatToFloatStr(f float64, m int) string {
- newn := SubFloatToString(f, m)
- return newn
- }
- // 获取相差时间-年
- func GetYearDiffer(start_time, end_time string) int {
- t1, _ := time.ParseInLocation("2006-01-02", start_time, time.Local)
- t2, _ := time.ParseInLocation("2006-01-02", end_time, time.Local)
- age := t2.Year() - t1.Year()
- if t2.Month() < t1.Month() || (t2.Month() == t1.Month() && t2.Day() < t1.Day()) {
- age--
- }
- return age
- }
- // 获取相差时间-秒
- func GetSecondDifferByTime(start_time, end_time time.Time) int64 {
- diff := end_time.Unix() - start_time.Unix()
- return diff
- }
- func FixFloat(f float64, m int) float64 {
- newn := SubFloatToString(f+0.00000001, m)
- newf, _ := strconv.ParseFloat(newn, 64)
- return newf
- }
- // 将字符串数组转化为逗号分割的字符串形式 ["str1","str2","str3"] >>> "str1,str2,str3"
- func StrListToString(strList []string) (str string) {
- if len(strList) > 0 {
- for k, v := range strList {
- if k == 0 {
- str = v
- } else {
- str = str + "," + v
- }
- }
- return
- }
- return ""
- }
- // 数据没有记录
- func ErrNoRow() string {
- return "<QuerySeter> no row found"
- }
- // IsErrNoRow
- // @Description: 判断是否是gorm的查询不到数据的报错
- // @param err
- // @return bool
- func IsErrNoRow(err error) bool {
- if err == nil {
- return false
- }
- return errors.Is(err, gorm.ErrRecordNotFound)
- }
- // 校验邮箱格式
- func ValidateEmailFormatat(email string) bool {
- reg := regexp.MustCompile(RegularEmail)
- return reg.MatchString(email)
- }
- // 验证是否是手机号
- func ValidateMobileFormatat(mobileNum string) bool {
- reg := regexp.MustCompile(RegularMobile)
- return reg.MatchString(mobileNum)
- }
- // 判断文件是否存在
- func FileIsExist(filePath string) bool {
- _, err := os.Stat(filePath)
- return err == nil || os.IsExist(err)
- }
- // 获取图片扩展名
- func GetImgExt(file string) (ext string, err error) {
- var headerByte []byte
- headerByte = make([]byte, 8)
- fd, err := os.Open(file)
- if err != nil {
- return "", err
- }
- defer fd.Close()
- _, err = fd.Read(headerByte)
- if err != nil {
- return "", err
- }
- xStr := fmt.Sprintf("%x", headerByte)
- switch {
- case xStr == "89504e470d0a1a0a":
- ext = ".png"
- case xStr == "0000010001002020":
- ext = ".ico"
- case xStr == "0000020001002020":
- ext = ".cur"
- case xStr[:12] == "474946383961" || xStr[:12] == "474946383761":
- ext = ".gif"
- case xStr[:10] == "0000020000" || xStr[:10] == "0000100000":
- ext = ".tga"
- case xStr[:8] == "464f524d":
- ext = ".iff"
- case xStr[:8] == "52494646":
- ext = ".ani"
- case xStr[:4] == "4d4d" || xStr[:4] == "4949":
- ext = ".tiff"
- case xStr[:4] == "424d":
- ext = ".bmp"
- case xStr[:4] == "ffd8":
- ext = ".jpg"
- case xStr[:2] == "0a":
- ext = ".pcx"
- default:
- ext = ""
- }
- return ext, nil
- }
- // 保存图片
- func SaveImage(path string, img image.Image) (err error) {
- //需要保持的文件
- imgfile, err := os.Create(path)
- defer imgfile.Close()
- // 以PNG格式保存文件
- err = png.Encode(imgfile, img)
- return err
- }
- // 下载图片
- func DownloadImage(imgUrl string) (filePath string, err error) {
- imgPath := "./static/imgs/"
- fileName := path.Base(imgUrl)
- res, err := http.Get(imgUrl)
- if err != nil {
- fmt.Println("A error occurred!")
- return
- }
- defer res.Body.Close()
- // 获得get请求响应的reader对象
- reader := bufio.NewReaderSize(res.Body, 32*1024)
- filePath = imgPath + fileName
- file, err := os.Create(filePath)
- if err != nil {
- return
- }
- defer func() {
- file.Close()
- }()
- // 获得文件的writer对象
- writer := bufio.NewWriter(file)
- written, _ := io.Copy(writer, reader)
- fmt.Printf("Total length: %d \n", written)
- return
- }
- // DownloadFile 下载文件
- func DownloadFile(fileUrl, fileDir string) (filePath string, err error) {
- filePathDir := "./static/imgs/"
- if fileDir != `` {
- err = os.MkdirAll(fileDir, DIR_MOD)
- if err != nil {
- return
- }
- filePathDir = fileDir
- }
- fileName := path.Base(fileUrl)
- res, err := http.Get(fileUrl)
- if err != nil {
- fmt.Println("A error occurred!")
- return
- }
- defer res.Body.Close()
- // 获得get请求响应的reader对象
- reader := bufio.NewReaderSize(res.Body, 32*1024)
- filePath = filePathDir + GetRandString(4) + fileName
- file, err := os.Create(filePath)
- if err != nil {
- return
- }
- defer func() {
- file.Close()
- }()
- // 获得文件的writer对象
- writer := bufio.NewWriter(file)
- _, _ = io.Copy(writer, reader)
- //fmt.Printf("Total length: %d \n", written)
- return
- }
- // 保存base64数据为文件
- func SaveBase64ToFile(content, path string) error {
- data, err := base64.StdEncoding.DecodeString(content)
- if err != nil {
- return err
- }
- f, err := os.Create(path)
- defer f.Close()
- if err != nil {
- return err
- }
- f.Write(data)
- return nil
- }
- func SaveBase64ToFileBySeek(content, path string) (err error) {
- data, err := base64.StdEncoding.DecodeString(content)
- exist, err := PathExists(path)
- if err != nil {
- return
- }
- if !exist {
- f, err := os.Create(path)
- if err != nil {
- return err
- }
- n, _ := f.Seek(0, 2)
- // 从末尾的偏移量开始写入内容
- _, err = f.WriteAt([]byte(data), n)
- defer f.Close()
- } else {
- f, err := os.OpenFile(path, os.O_WRONLY, 0644)
- if err != nil {
- return err
- }
- n, _ := f.Seek(0, 2)
- // 从末尾的偏移量开始写入内容
- _, err = f.WriteAt([]byte(data), n)
- defer f.Close()
- }
- return nil
- }
- func PathExists(path string) (bool, error) {
- _, err := os.Stat(path)
- if err == nil {
- return true, nil
- }
- if os.IsNotExist(err) {
- return false, nil
- }
- return false, err
- }
- func StartIndex(page, pagesize int) int {
- if page > 1 {
- return (page - 1) * pagesize
- }
- return 0
- }
- func PageCount(count, pagesize int) int {
- if count%pagesize > 0 {
- return count/pagesize + 1
- } else {
- return count / pagesize
- }
- }
- func TrimHtml(src string) string {
- //将HTML标签全转换成小写
- re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
- src = re.ReplaceAllStringFunc(src, strings.ToLower)
- re, _ = regexp.Compile("\\<img[\\S\\s]+?\\>")
- src = re.ReplaceAllString(src, "")
- re, _ = regexp.Compile("class[\\S\\s]+?>")
- src = re.ReplaceAllString(src, "")
- re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
- src = re.ReplaceAllString(src, "")
- src = strings.ReplaceAll(src, " ", " ")
- return strings.TrimSpace(src)
- }
- //1556164246 -> 2019-04-25 03:50:46 +0000
- //timestamp
- func TimeToTimestamp() {
- fmt.Println(time.Unix(1556164246, 0).Format("2006-01-02 15:04:05"))
- }
- func ToUnicode(text string) string {
- textQuoted := strconv.QuoteToASCII(text)
- textUnquoted := textQuoted[1 : len(textQuoted)-1]
- return textUnquoted
- }
- func VersionToInt(version string) int {
- version = strings.Replace(version, ".", "", -1)
- n, _ := strconv.Atoi(version)
- return n
- }
- func IsCheckInList(list []int, s int) bool {
- for _, v := range list {
- if v == s {
- return true
- }
- }
- return false
- }
- func round(num float64) int {
- return int(num + math.Copysign(0.5, num))
- }
- func toFixed(num float64, precision int) float64 {
- output := math.Pow(10, float64(precision))
- return float64(round(num*output)) / output
- }
- // GetWilsonScore returns Wilson Score
- func GetWilsonScore(p, n float64) float64 {
- if p == 0 && n == 0 {
- return 0
- }
- return toFixed(((p+1.9208)/(p+n)-1.96*math.Sqrt(p*n/(p+n)+0.9604)/(p+n))/(1+3.8416/(p+n)), 2)
- }
- // 将中文数字转化成数字,比如 第三百四十五章,返回第345章 不支持一亿及以上
- func ChangeWordsToNum(str string) (numStr string) {
- words := ([]rune)(str)
- num := 0
- n := 0
- for i := 0; i < len(words); i++ {
- word := string(words[i : i+1])
- switch word {
- case "万":
- if n == 0 {
- n = 1
- }
- n = n * 10000
- num = num*10000 + n
- n = 0
- case "千":
- if n == 0 {
- n = 1
- }
- n = n * 1000
- num += n
- n = 0
- case "百":
- if n == 0 {
- n = 1
- }
- n = n * 100
- num += n
- n = 0
- case "十":
- if n == 0 {
- n = 1
- }
- n = n * 10
- num += n
- n = 0
- case "一":
- n += 1
- case "二":
- n += 2
- case "三":
- n += 3
- case "四":
- n += 4
- case "五":
- n += 5
- case "六":
- n += 6
- case "七":
- n += 7
- case "八":
- n += 8
- case "九":
- n += 9
- case "零":
- default:
- if n > 0 {
- num += n
- n = 0
- }
- if num == 0 {
- numStr += word
- } else {
- numStr += strconv.Itoa(num) + word
- num = 0
- }
- }
- }
- if n > 0 {
- num += n
- n = 0
- }
- if num != 0 {
- numStr += strconv.Itoa(num)
- }
- return
- }
- func Sha1(data string) string {
- sha1 := sha1.New()
- sha1.Write([]byte(data))
- return hex.EncodeToString(sha1.Sum([]byte("")))
- }
- func GetVideoPlaySeconds(videoPath string) (playSeconds float64, err error) {
- cmd := fmt.Sprintf(`ffmpeg -i %s 2>&1 | grep 'Duration' | cut -d ' ' -f 4 | sed s/,//`, videoPath)
- out, err := exec.Command("bash", "-c", cmd).Output()
- if err != nil {
- return
- }
- outTimes := string(out)
- fmt.Println("outTimes:", outTimes)
- if outTimes != "" {
- timeArr := strings.Split(outTimes, ":")
- h := timeArr[0]
- m := timeArr[1]
- s := timeArr[2]
- hInt, err := strconv.Atoi(h)
- if err != nil {
- return playSeconds, err
- }
- mInt, err := strconv.Atoi(m)
- if err != nil {
- return playSeconds, err
- }
- s = strings.Trim(s, " ")
- s = strings.Trim(s, "\n")
- sInt, err := strconv.ParseFloat(s, 64)
- if err != nil {
- return playSeconds, err
- }
- playSeconds = float64(hInt)*3600 + float64(mInt)*60 + float64(sInt)
- }
- return
- }
- func GetMaxTradeCode(tradeCode string) (maxTradeCode string, err error) {
- tradeCode = strings.Replace(tradeCode, "W", "", -1)
- tradeCode = strings.Trim(tradeCode, " ")
- tradeCodeInt, err := strconv.Atoi(tradeCode)
- if err != nil {
- return
- }
- tradeCodeInt = tradeCodeInt + 1
- maxTradeCode = fmt.Sprintf("W%06d", tradeCodeInt)
- return
- }
- func GetTradeCodeList(tradeCode string, num int) (tradeCodeList []string, err error) {
- tradeCode = strings.Replace(tradeCode, "W", "", -1)
- tradeCode = strings.Trim(tradeCode, " ")
- tradeCodeInt, err := strconv.Atoi(tradeCode)
- if err != nil {
- return
- }
- for i := 0; i < num; i++ {
- tradeCodeInt = tradeCodeInt + 1
- tradeCodeList = append(tradeCodeList, fmt.Sprintf("W%06d", tradeCodeInt))
- }
- return
- }
- // excel日期字段格式化 yyyy-mm-dd
- func ConvertToFormatDay(excelDaysString string) string {
- // 2006-01-02 距离 1900-01-01的天数
- baseDiffDay := 38719 //在网上工具计算的天数需要加2天,什么原因没弄清楚
- curDiffDay := excelDaysString
- b, _ := strconv.Atoi(curDiffDay)
- // 获取excel的日期距离2006-01-02的天数
- realDiffDay := b - baseDiffDay
- //fmt.Println("realDiffDay:",realDiffDay)
- // 距离2006-01-02 秒数
- realDiffSecond := realDiffDay * 24 * 3600
- //fmt.Println("realDiffSecond:",realDiffSecond)
- // 2006-01-02 15:04:05距离1970-01-01 08:00:00的秒数 网上工具可查出
- baseOriginSecond := 1136185445
- resultTime := time.Unix(int64(baseOriginSecond+realDiffSecond), 0).Format("2006-01-02")
- return resultTime
- }
- // GetDaysDiff1900 计算日期距离1900-01-01的天数
- func GetDaysDiff1900(date string) int {
- // 将字符串转换为时间类型
- //从1899年12月30日开始是因为Excel的日期计算是基于1900年1月1日的,而1900年并不是闰年,因此Excel日期计算存在一个错误。为了修正这个错误,
- //我们将时间回溯到1899年12月30日,这样在进行日期计算时可以正确地处理Excel日期。
- tStart, err := time.ParseInLocation(FormatDate, "1899-12-30", time.Local)
- if err != nil {
- return 0
- }
- tEnd, err := time.ParseInLocation(FormatDate, date, time.Local)
- if err != nil {
- return 0
- }
- // 计算两个日期之间的天数差值
- duration := tEnd.Sub(tStart).Hours() / 24
- days := int(duration)
- return days
- }
- func CheckPwd(pwd string) bool {
- compile := `([0-9a-z]+){6,12}|(a-z0-9]+){6,12}`
- reg := regexp.MustCompile(compile)
- flag := reg.MatchString(pwd)
- return flag
- }
- func GetMonthStartAndEnd(myYear string, myMonth string) (startDate, endDate string) {
- // 数字月份必须前置补零
- if len(myMonth) == 1 {
- myMonth = "0" + myMonth
- }
- yInt, _ := strconv.Atoi(myYear)
- timeLayout := "2006-01-02 15:04:05"
- loc, _ := time.LoadLocation("Local")
- theTime, _ := time.ParseInLocation(timeLayout, myYear+"-"+myMonth+"-01 00:00:00", loc)
- newMonth := theTime.Month()
- t1 := time.Date(yInt, newMonth, 1, 0, 0, 0, 0, time.Local).Format("2006-01-02")
- t2 := time.Date(yInt, newMonth+1, 0, 0, 0, 0, 0, time.Local).Format("2006-01-02")
- return t1, t2
- }
- // TrimStr 移除字符串中的空格
- func TrimStr(str string) (str2 string) {
- if str == "" {
- return str
- }
- return strings.Replace(str, " ", "", -1)
- }
- // TrimLRStr 移除字符串前后的空格
- func TrimLRStr(str string) (str2 string) {
- if str == "" {
- return str
- }
- str2 = strings.TrimLeft(str, " ")
- str2 = strings.TrimRight(str2, " ")
- return
- }
- // 字符串转换为time
- func StrTimeToTime(strTime string) time.Time {
- timeLayout := "2006-01-02 15:04:05" //转化所需模板
- loc, _ := time.LoadLocation("Local") //重要:获取时区
- resultTime, _ := time.ParseInLocation(timeLayout, strTime, loc)
- return resultTime
- }
- // TimeToStr time.Time 转 字符串 yyyy-MM-dd
- func TimeToStr(data time.Time, format string) string {
- return data.Format(format)
- }
- // 字符串类型时间转周几
- func StrDateTimeToWeek(strTime string) string {
- var WeekDayMap = map[string]string{
- "Monday": "周一",
- "Tuesday": "周二",
- "Wednesday": "周三",
- "Thursday": "周四",
- "Friday": "周五",
- "Saturday": "周六",
- "Sunday": "周日",
- }
- var ctime = StrTimeToTime(strTime).Format("2006-01-02")
- startday, _ := time.Parse("2006-01-02", ctime)
- staweek_int := startday.Weekday().String()
- return WeekDayMap[staweek_int]
- }
- // EnWeekToCnWeek 英文周几转中文周几
- func EnWeekToCnWeek(enWeekStr string) string {
- var WeekDayMap = map[string]string{
- "Monday": "周一",
- "Tuesday": "周二",
- "Wednesday": "周三",
- "Thursday": "周四",
- "Friday": "周五",
- "Saturday": "周六",
- "Sunday": "周日",
- }
- cnWeekStr, ok := WeekDayMap[enWeekStr]
- if !ok {
- cnWeekStr = `周一`
- }
- return cnWeekStr
- }
- // 时间格式转年月日字符串
- func TimeToStrYmd(time2 time.Time) string {
- var Ymd string
- year := time2.Year()
- month := time2.Format("1")
- day1 := time.Now().Day()
- Ymd = strconv.Itoa(year) + "年" + month + "月" + strconv.Itoa(day1) + "日"
- return Ymd
- }
- // 时间格式去掉时分秒
- func TimeRemoveHms(strTime string) string {
- var Ymd string
- var resultTime = StrTimeToTime(strTime)
- year := resultTime.Year()
- month := resultTime.Format("01")
- day1 := resultTime.Day()
- if day1 < 10 {
- Ymd = strconv.Itoa(year) + "." + month + ".0" + strconv.Itoa(day1)
- } else {
- Ymd = strconv.Itoa(year) + "." + month + "." + strconv.Itoa(day1)
- }
- return Ymd
- }
- // 时间格式去掉时分秒
- func TimeRemoveHms2(strTime string) string {
- var Ymd string
- var resultTime = StrTimeToTime(strTime)
- year := resultTime.Year()
- month := resultTime.Format("01")
- day1 := resultTime.Day()
- if day1 < 10 {
- Ymd = strconv.Itoa(year) + "-" + month + "-0" + strconv.Itoa(day1)
- } else {
- Ymd = strconv.Itoa(year) + "-" + month + "-" + strconv.Itoa(day1)
- }
- return Ymd
- }
- // 文章上一次编辑时间
- func ArticleLastTime(strTime string) string {
- var newTime string
- stamp, _ := time.ParseInLocation("2006-01-02 15:04:05", strTime, time.Local)
- diffTime := time.Now().Unix() - stamp.Unix()
- if diffTime <= 60 {
- newTime = "当前"
- } else if diffTime < 60*60 {
- newTime = strconv.FormatInt(diffTime/60, 10) + "分钟前"
- } else if diffTime < 24*60*60 {
- newTime = strconv.FormatInt(diffTime/(60*60), 10) + "小时前"
- } else if diffTime < 30*24*60*60 {
- newTime = strconv.FormatInt(diffTime/(24*60*60), 10) + "天前"
- } else if diffTime < 12*30*24*60*60 {
- newTime = strconv.FormatInt(diffTime/(30*24*60*60), 10) + "月前"
- } else {
- newTime = "1年前"
- }
- return newTime
- }
- // 人民币小写转大写
- func ConvertNumToCny(num float64) (str string, err error) {
- strNum := strconv.FormatFloat(num*100, 'f', 0, 64)
- sliceUnit := []string{"仟", "佰", "拾", "亿", "仟", "佰", "拾", "万", "仟", "佰", "拾", "元", "角", "分"}
- // log.Println(sliceUnit[:len(sliceUnit)-2])
- s := sliceUnit[len(sliceUnit)-len(strNum):]
- upperDigitUnit := map[string]string{"0": "零", "1": "壹", "2": "贰", "3": "叁", "4": "肆", "5": "伍", "6": "陆", "7": "柒", "8": "捌", "9": "玖"}
- for k, v := range strNum[:] {
- str = str + upperDigitUnit[string(v)] + s[k]
- }
- reg, err := regexp.Compile(`零角零分$`)
- str = reg.ReplaceAllString(str, "整")
- reg, err = regexp.Compile(`零角`)
- str = reg.ReplaceAllString(str, "零")
- reg, err = regexp.Compile(`零分$`)
- str = reg.ReplaceAllString(str, "整")
- reg, err = regexp.Compile(`零[仟佰拾]`)
- str = reg.ReplaceAllString(str, "零")
- reg, err = regexp.Compile(`零{2,}`)
- str = reg.ReplaceAllString(str, "零")
- reg, err = regexp.Compile(`零亿`)
- str = reg.ReplaceAllString(str, "亿")
- reg, err = regexp.Compile(`零万`)
- str = reg.ReplaceAllString(str, "万")
- reg, err = regexp.Compile(`零*元`)
- str = reg.ReplaceAllString(str, "元")
- reg, err = regexp.Compile(`亿零{0, 3}万`)
- str = reg.ReplaceAllString(str, "^元")
- reg, err = regexp.Compile(`零元`)
- str = reg.ReplaceAllString(str, "零")
- return
- }
- // GetNowWeekMonday 获取本周周一的时间
- func GetNowWeekMonday() time.Time {
- offset := int(time.Monday - time.Now().Weekday())
- if offset == 1 { //正好是周日,但是按照中国人的理解,周日是一周最后一天,而不是一周开始的第一天
- offset = -6
- }
- mondayTime := time.Now().AddDate(0, 0, offset)
- mondayTime = time.Date(mondayTime.Year(), mondayTime.Month(), mondayTime.Day(), 0, 0, 0, 0, mondayTime.Location())
- return mondayTime
- }
- // GetNowWeekLastDay 获取本周最后一天的时间
- func GetNowWeekLastDay() time.Time {
- offset := int(time.Monday - time.Now().Weekday())
- if offset == 1 { //正好是周日,但是按照中国人的理解,周日是一周最后一天,而不是一周开始的第一天
- offset = -6
- }
- firstDayTime := time.Now().AddDate(0, 0, offset)
- firstDayTime = time.Date(firstDayTime.Year(), firstDayTime.Month(), firstDayTime.Day(), 0, 0, 0, 0, firstDayTime.Location()).AddDate(0, 0, 6)
- lastDayTime := time.Date(firstDayTime.Year(), firstDayTime.Month(), firstDayTime.Day(), 23, 59, 59, 0, firstDayTime.Location())
- return lastDayTime
- }
- // GetNowMonthFirstDay 获取本月第一天的时间
- func GetNowMonthFirstDay() time.Time {
- nowMonthFirstDay := time.Date(time.Now().Year(), time.Now().Month(), 1, 0, 0, 0, 0, time.Now().Location())
- return nowMonthFirstDay
- }
- // GetNowMonthLastDay 获取本月最后一天的时间
- func GetNowMonthLastDay() time.Time {
- nowMonthLastDay := time.Date(time.Now().Year(), time.Now().Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- nowMonthLastDay = time.Date(nowMonthLastDay.Year(), nowMonthLastDay.Month(), nowMonthLastDay.Day(), 23, 59, 59, 0, nowMonthLastDay.Location())
- return nowMonthLastDay
- }
- // GetNowQuarterFirstDay 获取本季度第一天的时间
- func GetNowQuarterFirstDay() time.Time {
- month := int(time.Now().Month())
- var nowQuarterFirstDay time.Time
- if month >= 1 && month <= 3 {
- //1月1号
- nowQuarterFirstDay = time.Date(time.Now().Year(), 1, 1, 0, 0, 0, 0, time.Now().Location())
- } else if month >= 4 && month <= 6 {
- //4月1号
- nowQuarterFirstDay = time.Date(time.Now().Year(), 4, 1, 0, 0, 0, 0, time.Now().Location())
- } else if month >= 7 && month <= 9 {
- nowQuarterFirstDay = time.Date(time.Now().Year(), 7, 1, 0, 0, 0, 0, time.Now().Location())
- } else {
- nowQuarterFirstDay = time.Date(time.Now().Year(), 10, 1, 0, 0, 0, 0, time.Now().Location())
- }
- return nowQuarterFirstDay
- }
- // GetNowQuarterLastDay 获取本季度最后一天的时间
- func GetNowQuarterLastDay() time.Time {
- month := int(time.Now().Month())
- var nowQuarterLastDay time.Time
- if month >= 1 && month <= 3 {
- //03-31 23:59:59
- nowQuarterLastDay = time.Date(time.Now().Year(), 3, 31, 23, 59, 59, 0, time.Now().Location())
- } else if month >= 4 && month <= 6 {
- //06-30 23:59:59
- nowQuarterLastDay = time.Date(time.Now().Year(), 6, 30, 23, 59, 59, 0, time.Now().Location())
- } else if month >= 7 && month <= 9 {
- //09-30 23:59:59
- nowQuarterLastDay = time.Date(time.Now().Year(), 9, 30, 23, 59, 59, 0, time.Now().Location())
- } else {
- //12-31 23:59:59
- nowQuarterLastDay = time.Date(time.Now().Year(), 12, 31, 23, 59, 59, 0, time.Now().Location())
- }
- return nowQuarterLastDay
- }
- // GetNowHalfYearFirstDay 获取当前半年的第一天的时间
- func GetNowHalfYearFirstDay() time.Time {
- month := int(time.Now().Month())
- var nowHalfYearLastDay time.Time
- if month >= 1 && month <= 6 {
- //03-31 23:59:59
- nowHalfYearLastDay = time.Date(time.Now().Year(), 1, 1, 0, 0, 0, 0, time.Now().Location())
- } else {
- //12-31 23:59:59
- nowHalfYearLastDay = time.Date(time.Now().Year(), 7, 1, 0, 0, 0, 0, time.Now().Location())
- }
- return nowHalfYearLastDay
- }
- // GetNowHalfYearLastDay 获取当前半年的最后一天的时间
- func GetNowHalfYearLastDay() time.Time {
- month := int(time.Now().Month())
- var nowHalfYearLastDay time.Time
- if month >= 1 && month <= 6 {
- //03-31 23:59:59
- nowHalfYearLastDay = time.Date(time.Now().Year(), 6, 30, 23, 59, 59, 0, time.Now().Location())
- } else {
- //12-31 23:59:59
- nowHalfYearLastDay = time.Date(time.Now().Year(), 12, 31, 23, 59, 59, 0, time.Now().Location())
- }
- return nowHalfYearLastDay
- }
- // GetNowYearFirstDay 获取当前年的最后一天的时间
- func GetNowYearFirstDay() time.Time {
- //12-31 23:59:59
- nowYearFirstDay := time.Date(time.Now().Year(), 1, 1, 0, 0, 0, 0, time.Now().Location())
- return nowYearFirstDay
- }
- // GetNowYearLastDay 获取当前年的最后一天的时间
- func GetNowYearLastDay() time.Time {
- //12-31 23:59:59
- nowYearLastDay := time.Date(time.Now().Year(), 12, 31, 23, 59, 59, 0, time.Now().Location())
- return nowYearLastDay
- }
- // CalculationDate 计算两个日期之间相差n年m月y天
- func CalculationDate(startDate, endDate time.Time) (beetweenDay string, err error) {
- //startDate := time.Date(2021, 3, 28, 0, 0, 0, 0, time.Now().Location())
- //endDate := time.Date(2022, 3, 31, 0, 0, 0, 0, time.Now().Location())
- numYear := endDate.Year() - startDate.Year()
- numMonth := int(endDate.Month()) - int(startDate.Month())
- numDay := 0
- //获取截止月的总天数
- endDateDays := getMonthDay(endDate.Year(), int(endDate.Month()))
- //获取截止月的前一个月
- endDatePrevMonthDate := endDate.AddDate(0, -1, 0)
- //获取截止日期的上一个月的总天数
- endDatePrevMonthDays := getMonthDay(endDatePrevMonthDate.Year(), int(endDatePrevMonthDate.Month()))
- //获取开始日期的的月份总天数
- startDateMonthDays := getMonthDay(startDate.Year(), int(startDate.Month()))
- //判断,截止月是否完全被选中,如果相等,那么代表截止月份全部天数被选择
- if endDate.Day() == endDateDays {
- numDay = startDateMonthDays - startDate.Day() + 1
- //如果剩余天数正好与开始日期的天数是一致的,那么月份加1
- if numDay == startDateMonthDays {
- numMonth++
- numDay = 0
- //超过月份了,那么年份加1
- if numMonth == 12 {
- numYear++
- numMonth = 0
- }
- }
- } else {
- numDay = endDate.Day() - startDate.Day() + 1
- }
- //天数小于0,那么向月份借一位
- if numDay < 0 {
- //向上一个月借一个月的天数
- numDay += endDatePrevMonthDays
- //总月份减去一个月
- numMonth = numMonth - 1
- }
- //月份小于0,那么向年份借一位
- if numMonth < 0 {
- //向上一个年借12个月
- numMonth += 12
- //总年份减去一年
- numYear = numYear - 1
- }
- if numYear < 0 {
- err = errors.New("日期异常")
- return
- }
- if numYear > 0 {
- beetweenDay += fmt.Sprint(numYear, "年")
- }
- if numMonth > 0 {
- beetweenDay += fmt.Sprint(numMonth, "个月")
- }
- if numDay > 0 {
- beetweenDay += fmt.Sprint(numDay, "天")
- }
- return
- }
- // FormatPrice 格式化展示金额数字(财务金额展示,小数点前,每三位用,隔开) 1,234,567,898.55
- func FormatPrice(price float64) (str string) {
- str = decimal.NewFromFloat(price).String()
- length := len(str)
- if length < 4 {
- return str
- }
- arr := strings.Split(str, ".") //用小数点符号分割字符串,为数组接收
- length1 := len(arr[0])
- if length1 < 4 {
- return str
- }
- count := (length1 - 1) / 3
- for i := 0; i < count; i++ {
- arr[0] = arr[0][:length1-(i+1)*3] + "," + arr[0][length1-(i+1)*3:]
- }
- return strings.Join(arr, ".") //将一系列字符串连接为一个字符串,之间用sep来分隔。
- }
- // getMonthDay 获取某年某月有多少天
- func getMonthDay(year, month int) (days int) {
- if month != 2 {
- if month == 4 || month == 6 || month == 9 || month == 11 {
- days = 30
- } else {
- days = 31
- }
- } else {
- if ((year%4) == 0 && (year%100) != 0) || (year%400) == 0 {
- days = 29
- } else {
- days = 28
- }
- }
- return
- }
- func SaveToFile(content, path string) error {
- f, err := os.Create(path)
- defer f.Close()
- if err != nil {
- return err
- }
- f.Write([]byte(content))
- return nil
- }
- // 用户参会时间转换
- func GetAttendanceDetailSeconds(secondNum int) string {
- var timeStr string
- if secondNum <= 60 {
- if secondNum < 10 {
- timeStr = "0" + strconv.Itoa(secondNum) + "''"
- } else {
- timeStr = strconv.Itoa(secondNum) + "''"
- }
- } else {
- var remainderStr string
- remainderNum := secondNum % 60
- minuteNum := secondNum / 60
- if remainderNum < 10 {
- remainderStr = "0" + strconv.Itoa(remainderNum) + "''"
- } else {
- remainderStr = strconv.Itoa(remainderNum) + "''"
- }
- if minuteNum < 10 {
- timeStr = "0" + strconv.Itoa(minuteNum) + "'" + remainderStr
- } else {
- timeStr = strconv.Itoa(minuteNum) + "'" + remainderStr
- }
- }
- return timeStr
- }
- // SubStr 截取字符串(中文)
- func SubStr(str string, subLen int) string {
- strRune := []rune(str)
- bodyRuneLen := len(strRune)
- if bodyRuneLen > subLen {
- bodyRuneLen = subLen
- }
- str = string(strRune[:bodyRuneLen])
- return str
- }
- // HideString 给字段加***(从字符串中间替换,少于需要替换的长度,那么就补全*的长度)
- // src 待*字符串
- // hideLen 需要加*的长度
- func HideString(src string, hideLen int) string {
- if src == "" {
- return src
- }
- str := []rune(src)
- if hideLen == 0 {
- hideLen = 4
- }
- hideStr := ""
- for i := 0; i < hideLen; i++ {
- hideStr += "*"
- }
- strLen := len(str)
- // 字符长度是1
- if strLen == 1 {
- return string(str[:1]) + hideStr
- }
- //字符长度大于1,但是小于等于需要隐藏的字符长度,那么就隐藏中间,保留前后各一位字符
- if strLen <= hideLen+2 {
- return string(str[:1]) + hideStr + string(str[strLen-1:])
- }
- subLen := strLen - hideLen //剩余需要展示的字符长度
- decimal.NewFromFloat(2)
- frontLenDecimal := decimal.NewFromInt(int64(subLen)).Div(decimal.NewFromInt(2)) //前面需要展示的字符的长度
- frontLen := frontLenDecimal.Floor().IntPart()
- return string(str[:frontLen]) + hideStr + string(str[frontLen+int64(hideLen):])
- }
- func GetLocalIP() (ip string, err error) {
- addrs, err := net.InterfaceAddrs()
- if err != nil {
- return
- }
- for _, addr := range addrs {
- ipAddr, ok := addr.(*net.IPNet)
- if !ok {
- continue
- }
- if ipAddr.IP.IsLoopback() {
- continue
- }
- if !ipAddr.IP.IsGlobalUnicast() {
- continue
- }
- return ipAddr.IP.String(), nil
- }
- return
- }
- // GetNowWeekMonday 获取上一周周一的时间
- func GetPreWeekMonday() time.Time {
- nowMonday := GetNowWeekMonday()
- return nowMonday.AddDate(0, 0, -7)
- }
- // GetNowWeekLastDay 获取上一周最后一天的时间
- func GetPreWeekLastDay() time.Time {
- nowSunday := GetNowWeekLastDay()
- return nowSunday.AddDate(0, 0, -7)
- }
- // GetNextWeekMonday 获取下一周周一的时间
- func GetNextWeekMonday() time.Time {
- nowMonday := GetNowWeekMonday()
- return nowMonday.AddDate(0, 0, 7)
- }
- // GetNextWeekLastDay 获取下一周最后一天的时间
- func GetNextWeekLastDay() time.Time {
- nowSunday := GetNowWeekLastDay()
- return nowSunday.AddDate(0, 0, 7)
- }
- // 处理真实姓名,隐藏中间的部分,如:张*,张*将
- func DealRealName(realName string) string {
- if realName == "" {
- return ""
- }
- names := bytes.Runes([]byte(realName))
- fistName := names[0]
- length := len(names)
- if length == 2 {
- return string(fistName) + "*"
- } else if length > 2 {
- lastName := names[length-1]
- return string(fistName) + "*" + string(lastName)
- }
- return realName
- }
- // Implode php中的implode(用来将int型的切片转为string)
- func Implode(idIntList []int) (str string) {
- for _, id := range idIntList {
- str += fmt.Sprint(id, ",")
- }
- str = str[:len(str)-1]
- return
- }
- // InArrayByInt php中的in_array(判断Int类型的切片中是否存在该int值)
- func InArrayByInt(idIntList []int, searchId int) (has bool) {
- for _, id := range idIntList {
- if id == searchId {
- has = true
- return
- }
- }
- return
- }
- // InArrayByStr php中的in_array(判断String类型的切片中是否存在该string值)
- func InArrayByStr(idStrList []string, searchId string) (has bool) {
- for _, id := range idStrList {
- if id == searchId {
- has = true
- return
- }
- }
- return
- }
- // Intersection 求两个切片的交集
- func Intersection(a []string, b []string) (inter []string) {
- // interacting on the smallest list first can potentailly be faster...but not by much, worse case is the same
- low, high := a, b
- if len(a) > len(b) {
- low = b
- high = a
- }
- done := false
- for i, l := range low {
- for j, h := range high {
- // get future index values
- f1 := i + 1
- f2 := j + 1
- if l == h {
- inter = append(inter, h)
- if f1 < len(low) && f2 < len(high) {
- // if the future values aren't the same then that's the end of the intersection
- if low[f1] != high[f2] {
- done = true
- }
- }
- // we don't want to interate on the entire list everytime, so remove the parts we already looped on will make it faster each pass
- high = high[:j+copy(high[j:], high[j+1:])]
- break
- }
- }
- // nothing in the future so we are done
- if done {
- break
- }
- }
- return
- }
- // Minus 获取差集
- func Minus(a []string, b []string) []string {
- //var inter []string
- inter := make([]string, 0)
- mp := make(map[string]bool)
- for _, s := range a {
- if _, ok := mp[s]; !ok {
- mp[s] = true
- }
- }
- for _, s := range b {
- if _, ok := mp[s]; ok {
- delete(mp, s)
- }
- }
- for key := range mp {
- inter = append(inter, key)
- }
- return inter
- }
- // IntArr2joinString []int转字符串
- func IntArr2joinString(arr []int, sep string) string {
- if len(arr) == 0 {
- return ""
- }
- strArr := make([]string, 0)
- for _, v := range arr {
- strArr = append(strArr, strconv.Itoa(v))
- }
- return strings.Join(strArr, sep)
- }
- // GetOneMonthFirstDay 获取某月的第一天的时间
- func GetOneMonthFirstDay(time2 time.Time) time.Time {
- nowMonthFirstDay := time.Date(time2.Year(), time2.Month(), 1, 0, 0, 0, 0, time.Now().Location())
- return nowMonthFirstDay
- }
- // GetOneMonthLastDay 获取某月最后一天的时间
- func GetOneMonthLastDay(time2 time.Time) time.Time {
- nowMonthLastDay := time.Date(time2.Year(), time2.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- nowMonthLastDay = time.Date(nowMonthLastDay.Year(), nowMonthLastDay.Month(), nowMonthLastDay.Day(), 23, 59, 59, 0, nowMonthLastDay.Location())
- return nowMonthLastDay
- }
- func GetReportContentTextSub(content string) (contentSub string, err error) {
- content = html.UnescapeString(content)
- doc, err := goquery.NewDocumentFromReader(strings.NewReader(content))
- docText := doc.Text()
- bodyRune := []rune(docText)
- bodyRuneLen := len(bodyRune)
- if bodyRuneLen > 200 {
- bodyRuneLen = 200
- }
- body := string(bodyRune[:bodyRuneLen])
- contentSub = body
- contentSub = strings.Replace(body, "Powered by Froala Editor", "", -1)
- return
- }
- // GetOrmInReplace 获取orm的in查询替换?的方法
- func GetOrmInReplace(num int) string {
- //template := make([]string, num)
- //for i := 0; i < num; i++ {
- // template[i] = "?"
- //}
- //return strings.Join(template, ",")
- return "?"
- }
- // RevSlice 反转切片
- func RevSlice(slice []int) []int {
- for i, j := 0, len(slice)-1; i < j; i, j = i+1, j-1 {
- slice[i], slice[j] = slice[j], slice[i]
- }
- return slice
- }
- // ReplaceSpaceAndWrap 去除空格跟换行
- func ReplaceSpaceAndWrap(str string) string {
- // 去除空格
- str = strings.Replace(str, " ", "", -1)
- // 去除换行符
- str = strings.Replace(str, "\n", "", -1)
- return str
- }
- // JoinStr2IntArr 拼接字符串转[]int
- func JoinStr2IntArr(str, sep string) (arr []int) {
- arr = make([]int, 0)
- if str == "" {
- return
- }
- if sep == "" {
- sep = ","
- }
- strArr := strings.Split(str, sep)
- if len(strArr) == 0 {
- return
- }
- for i := range strArr {
- v, e := strconv.Atoi(strArr[i])
- // int2str此处过滤掉无效int
- if e != nil {
- continue
- }
- arr = append(arr, v)
- }
- return
- }
- // 字符串转换为time类型
- func StrDateToDate(strTime string) time.Time {
- timeLayout := "2006-01-02" //转化所需模板
- loc, _ := time.LoadLocation("Local") //重要:获取时区
- resultTime, _ := time.ParseInLocation(timeLayout, strTime, loc)
- return resultTime
- }
- // GetTimeSubDay 计算两个时间的自然日期差(后面减去前面)
- func GetTimeSubDay(t1, t2 time.Time) int {
- var day int
- swap := false
- if t1.Unix() > t2.Unix() {
- t1, t2 = t2, t1
- swap = true
- }
- t1_ := t1.Add(time.Duration(t2.Sub(t1).Milliseconds()%86400000) * time.Millisecond)
- day = int(t2.Sub(t1).Hours() / 24)
- // 计算在t1+两个时间的余数之后天数是否有变化
- if t1_.Day() != t1.Day() {
- day += 1
- }
- if swap {
- day = -day
- }
- return day
- }
- // 去除非中文字符串
- func StrFilterNonChinese(src *string) {
- var hzRegexp = regexp.MustCompile("^[\u4e00-\u9fa5]$")
- strn := ""
- for _, c := range *src {
- if hzRegexp.MatchString(string(c)) {
- strn += string(c)
- }
- }
- *src = strn
- }
- // MinusInt 获取两个[]int差集
- func MinusInt(a []int, b []int) []int {
- var diff []int
- mpA, mpB := make(map[int]bool), make(map[int]bool)
- for _, v := range a {
- mpA[v] = true
- }
- for _, v := range b {
- mpB[v] = true
- }
- for _, s := range a {
- if !mpB[s] {
- diff = append(diff, s)
- }
- }
- for _, s := range b {
- if !mpA[s] {
- diff = append(diff, s)
- }
- }
- return diff
- }
- // IntersectInt 获取两个[]int交集
- func IntersectInt(nums1 []int, nums2 []int) []int {
- m := make(map[int]int)
- var res []int
- for _, num := range nums1 {
- m[num]++
- }
- for _, num := range nums2 {
- if m[num] > 0 {
- res = append(res, num)
- m[num]--
- }
- }
- return res
- }
- // MapSorter 对于map 排序
- type MapSorter []Item
- type Item struct {
- Key int
- Val float64
- }
- func NewMapSorter(m map[int]float64) MapSorter {
- ms := make(MapSorter, 0, len(m))
- for k, v := range m {
- ms = append(ms, Item{k, v})
- }
- return ms
- }
- func (ms MapSorter) Len() int {
- return len(ms)
- }
- func (ms MapSorter) Less(i, j int) bool {
- return ms[i].Val > ms[j].Val // 按值排序
- //return ms[i].Key < ms[j].Key // 按键排序
- }
- func (ms MapSorter) Swap(i, j int) {
- ms[i], ms[j] = ms[j], ms[i]
- }
- // FormatFileSize 字节的单位转换 保留两位小数
- func FormatFileSize(fileSize int64) (size string) {
- if fileSize < 1024 {
- return fmt.Sprintf("%.2fB", float64(fileSize)/float64(1))
- } else if fileSize < (1024 * 1024) {
- return fmt.Sprintf("%.2fKB", float64(fileSize)/float64(1024))
- } else if fileSize < (1024 * 1024 * 1024) {
- return fmt.Sprintf("%.2fMB", float64(fileSize)/float64(1024*1024))
- } else if fileSize < (1024 * 1024 * 1024 * 1024) {
- return fmt.Sprintf("%.2fGB", float64(fileSize)/float64(1024*1024*1024))
- } else if fileSize < (1024 * 1024 * 1024 * 1024 * 1024) {
- return fmt.Sprintf("%.2fTB", float64(fileSize)/float64(1024*1024*1024*1024))
- } else { //if fileSize < (1024 * 1024 * 1024 * 1024 * 1024 * 1024)
- return fmt.Sprintf("%.2fPB", float64(fileSize)/float64(1024*1024*1024*1024*1024))
- }
- }
- func GetDurationFormatBySecond(sec int) (formatString string) {
- if sec == 0 {
- formatString = "0分钟"
- return
- } else if sec <= 60 && sec > 0 {
- formatString = "1分钟"
- return
- }
- duration := time.Duration(int64(sec)) * time.Second
- h := int(duration.Hours())
- m := int(duration.Minutes()) % 60
- //s := int(duration.Seconds()) % 60
- if h > 0 {
- formatString = fmt.Sprintf("%d小时", h)
- }
- if m > 0 {
- formatString += fmt.Sprintf("%d分钟", m)
- }
- //if s > 0 {
- // formatString += fmt.Sprintf("%d秒", s)
- //}
- return
- }
- // GetDaysBetween2Date 计算两个日期之间相差几天
- func GetDaysBetween2Date(format, date1Str, date2Str string) (int, error) {
- // 将字符串转化为Time格式
- date1, err := time.ParseInLocation(format, date1Str, time.Local)
- if err != nil {
- return 0, err
- }
- // 将字符串转化为Time格式
- date2, err := time.ParseInLocation(format, date2Str, time.Local)
- if err != nil {
- return 0, err
- }
- //计算相差天数
- return int(date1.Sub(date2).Hours() / 24), nil
- }
- // GetFrequencyEn 获取频度的英文版
- func GetFrequencyEn(frequency string) (frequencyEn string) {
- switch frequency {
- case "日度":
- frequencyEn = "day"
- return
- case "周度":
- frequencyEn = "week"
- return
- case "旬度":
- frequencyEn = "ten days"
- return
- case "月度":
- frequencyEn = "month"
- return
- case "季度":
- frequencyEn = "quarter"
- return
- case "年度":
- frequencyEn = "year"
- return
- }
- return
- }
- // GetLeadUnitEn 获取移动单位的英文版
- func GetLeadUnitEn(unit string) (unitEn string) {
- switch unit {
- case "天":
- unitEn = "day"
- return
- case "周":
- unitEn = "week"
- return
- case "月":
- unitEn = "month"
- return
- case "季":
- unitEn = "quarter"
- return
- case "年":
- unitEn = "year"
- return
- }
- return
- }
- // GetDateByDateType 通过dateType获取需要的开始/结束日期
- // dateType 日期类型:1:00年至今,2:10年至今,3:15年至今,4:年初至今,5:自定义时间,6:起始日期至今 20:最近N年
- func GetDateByDateType(dateType int, tmpStartDate, tmpEndDate string) (startDate, endDate string) {
- startDate = tmpStartDate
- endDate = tmpEndDate
- switch dateType {
- case 1:
- startDate = "2000-01-01"
- endDate = ""
- case 2:
- startDate = "2010-01-01"
- endDate = ""
- case 3:
- startDate = "2015-01-01"
- endDate = ""
- case 4:
- //startDate = strconv.Itoa(time.Now().Year()) + "-01-01"
- startDate = "2021-01-01"
- endDate = ""
- case 5:
- //startDate = startDate + "-01"
- //endDate = endDate + "-01"
- case 6:
- //startDate = startDate + "-01"
- endDate = ""
- case 7:
- startDate = "2018-01-01"
- endDate = ""
- case 8:
- startDate = "2019-01-01"
- endDate = ""
- case 9:
- startDate = "2020-01-01"
- endDate = ""
- case 11:
- startDate = "2022-01-01"
- endDate = ""
- }
- // 兼容日期错误
- {
- if strings.Count(startDate, "-") == 1 {
- startDate = startDate + "-01"
- }
- if strings.Count(endDate, "-") == 1 {
- endDate = endDate + "-01"
- }
- }
- return
- }
- func GetDateByDateTypeV2(dateType int, tmpStartDate, tmpEndDate string, startYear, yearMax int) (startDate, endDate string) {
- startDate = tmpStartDate
- endDate = tmpEndDate
- switch dateType {
- case 1:
- startDate = "2000-01-01"
- endDate = ""
- case 2:
- startDate = "2010-01-01"
- endDate = ""
- case 3:
- startDate = "2015-01-01"
- endDate = ""
- case 4:
- //startDate = strconv.Itoa(time.Now().Year()) + "-01-01"
- startDate = "2021-01-01"
- endDate = ""
- case 5:
- //startDate = startDate + "-01"
- //endDate = endDate + "-01"
- case 6:
- //startDate = startDate + "-01"
- endDate = ""
- case 7:
- startDate = "2018-01-01"
- endDate = ""
- case 8:
- startDate = "2019-01-01"
- endDate = ""
- case 9:
- startDate = "2020-01-01"
- endDate = ""
- case 11:
- startDate = "2022-01-01"
- endDate = ""
- case DateTypeNYears:
- if startYear == 0 { //默认取最近5年
- startYear = 5
- }
- if yearMax == 0 {
- return
- }
- startYear = startYear - 1
- baseDate, _ := time.Parse(FormatDate, fmt.Sprintf("%d-01-01", yearMax))
- startDate = baseDate.AddDate(-startYear, 0, 0).Format(FormatDate)
- endDate = ""
- }
- // 兼容日期错误
- {
- if strings.Count(startDate, "-") == 1 {
- startDate = startDate + "-01"
- }
- if strings.Count(endDate, "-") == 1 {
- endDate = endDate + "-01"
- }
- }
- return
- }
- func TimeTransferString(format string, t time.Time) string {
- str := t.Format(format)
- if t.IsZero() {
- return ""
- }
- return str
- }
- // GetDateByDateType2 通过dateType获取需要的开始/结束日期(日期类型:1:最近3月;2:最近6月;3:最近1年;4:最近2年;5:最近3年;6:最近5年;7:最近10年,8:自定义时间)
- func GetDateByDateType2(dateType int, currDate time.Time) (startDate time.Time) {
- switch dateType {
- case 1:
- startDate = currDate.AddDate(0, -3, 0)
- case 2:
- startDate = currDate.AddDate(0, -6, 0)
- case 3:
- startDate = currDate.AddDate(-1, 0, 0)
- case 4:
- startDate = currDate.AddDate(-2, 0, 0)
- case 5:
- startDate = currDate.AddDate(-3, 0, 0)
- case 6:
- startDate = currDate.AddDate(-5, 0, 0)
- case 7:
- startDate = currDate.AddDate(-10, 0, 0)
- }
- return
- }
- // GetCeilNewNum 保留n位有效数字的向上取整
- // @params num 实际数据
- // @params baseLen 需要保留的有效位数
- func GetCeilNewNum(num float64, baseLen int) (newNum float64) {
- if num >= 1 {
- tmpNum := int(math.Ceil(num)) // 向上取整
- str := strconv.Itoa(tmpNum)
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- if newNum < num {
- newNumInt += 1
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- }
- } else {
- newNum = float64(tmpNum)
- }
- return
- } else if num > 0 {
- // 这是小数
- str := strconv.FormatFloat(num, 'f', -1, 64)
- // 去除小数点和负号
- str = removeDecimalPoint(str)
- // 计算字符串长度
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- if newNum < num {
- newNumInt += 1
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- }
- } else {
- newNum = num
- }
- } else if num > -1 {
- // 这是小数
- str := strconv.FormatFloat(num, 'f', -1, 64)
- // 去除小数点和负号
- str = removeDecimalPoint(str)
- // 计算字符串长度
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- newNum = -newNum
- if newNum < num {
- newNumInt -= 1
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- newNum = -newNum
- }
- } else {
- newNum = num
- }
- if newNum == -0 {
- newNum = 0
- }
- } else { // 小于等于-1
- tmpNumFloat := math.Abs(num)
- tmpNum := int(math.Floor(tmpNumFloat)) // 向上取整
- str := strconv.Itoa(tmpNum)
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- //fmt.Println("newNumStr:", newNumStr)
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- newNum = -newNum
- if newNum < num {
- newNumInt -= 1
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- newNum = -newNum
- }
- } else {
- newNum = float64(-tmpNum)
- }
- }
- return
- }
- // GetFloorNewNum 保留n位有效数字的向下取整
- // @params num 实际数据
- // @params baseLen 需要保留的有效位数
- func GetFloorNewNum(num float64, baseLen int) (newNum float64) {
- if num >= 1 {
- tmpNum := int(math.Floor(num)) // 向上取整
- str := strconv.Itoa(tmpNum)
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- if newNum < num {
- newNumInt -= 1
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- }
- } else {
- newNum = float64(tmpNum)
- }
- return
- } else if num > 0 {
- // 这是小数
- str := strconv.FormatFloat(num, 'f', -1, 64)
- // 去除小数点和负号
- str = removeDecimalPoint(str)
- // 计算字符串长度
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- if newNum > num {
- newNumInt -= 1
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- }
- } else {
- newNum = num
- }
- } else if num > -1 {
- // 这是小数
- str := strconv.FormatFloat(num, 'f', -1, 64)
- // 去除小数点和负号
- str = removeDecimalPoint(str)
- // 计算字符串长度
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- newNum = -newNum
- if newNum > num {
- newNumInt += 1
- newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
- newNum = -newNum
- }
- } else {
- newNum = num
- }
- if newNum == -0 {
- newNum = 0
- }
- } else { // 小于等于-1
- tmpNumFloat := math.Abs(num)
- tmpNum := int(math.Ceil(tmpNumFloat)) // 向上取整
- str := strconv.Itoa(tmpNum)
- lenStr := len(str)
- if lenStr > baseLen {
- newNumStr := str[0:baseLen]
- //fmt.Println("newNumStr:", newNumStr)
- newNumInt, _ := strconv.Atoi(newNumStr)
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- newNum = -newNum
- if newNum > num {
- newNumInt += 1
- newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
- newNum = -newNum
- }
- } else {
- newNum = float64(-tmpNum)
- }
- }
- return
- }
- // 去除小数点和负号
- func removeDecimalPoint(str string) string {
- // 去除小数点
- str = str[strings.Index(str, ".")+1:]
- return str
- }
- // GetPredictEdbDayListByEndDate 根据截止日期获取预测指标日期列表
- func GetPredictEdbDayListByEndDate(startDate, endDate time.Time, frequency string) (dayList []time.Time) {
- //if !utils.InArrayByStr([]string{"日度", "周度", "月度"}, frequency)
- switch frequency {
- case "日度":
- for currDate := startDate.AddDate(0, 0, 1); currDate.Before(endDate) || currDate.Equal(endDate); currDate = currDate.AddDate(0, 0, 1) {
- //周六、日排除
- if currDate.Weekday() == time.Sunday || currDate.Weekday() == time.Saturday {
- continue
- }
- dayList = append(dayList, currDate)
- }
- case "周度":
- //nextDate := startDate.AddDate(0, 0, 7)
- for currDate := startDate.AddDate(0, 0, 7); currDate.Before(endDate) || currDate.Equal(endDate); currDate = currDate.AddDate(0, 0, 7) {
- dayList = append(dayList, currDate)
- }
- case "旬度":
- for currDate := startDate.AddDate(0, 0, 1); currDate.Before(endDate) || currDate.Equal(endDate); {
- nextDate := currDate.AddDate(0, 0, 1)
- //每个月的10号、20号、最后一天,那么就写入
- if nextDate.Day() == 11 || nextDate.Day() == 21 || nextDate.Day() == 1 {
- dayList = append(dayList, currDate)
- }
- currDate = nextDate
- }
- case "月度":
- for currDate := startDate; currDate.Before(endDate) || currDate.Equal(endDate); {
- currDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- if !currDate.After(endDate) && !currDate.Equal(startDate) {
- dayList = append(dayList, currDate)
- }
- currDate = currDate.AddDate(0, 0, 1)
- }
- case "季度":
- for currDate := startDate; currDate.Before(endDate) || currDate.Equal(endDate); {
- // 每月的最后一天
- currDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- if !currDate.After(endDate) && !currDate.Equal(startDate) {
- // 季度日期就写入,否则不写入
- if currDate.Month() == 3 || currDate.Month() == 6 || currDate.Month() == 9 || currDate.Month() == 12 {
- dayList = append(dayList, currDate)
- }
- }
- currDate = currDate.AddDate(0, 0, 1)
- }
- case "半年度":
- for currDate := startDate; currDate.Before(endDate) || currDate.Equal(endDate); {
- // 每月的最后一天
- currDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- if !currDate.After(endDate) && !currDate.Equal(startDate) {
- // 半年度日期就写入,否则不写入
- if currDate.Month() == 6 || currDate.Month() == 12 {
- dayList = append(dayList, currDate)
- }
- }
- currDate = currDate.AddDate(0, 0, 1)
- }
- case "年度":
- for currDate := startDate; currDate.Before(endDate) || currDate.Equal(endDate); {
- currDate = time.Date(currDate.Year()+1, 12, 31, 0, 0, 0, 0, time.Now().Location())
- if !currDate.After(endDate) && !currDate.Equal(startDate) {
- dayList = append(dayList, currDate)
- }
- }
- }
- return
- }
- // GetPredictEdbDayListByNum 根据期数获取预测指标日期列表
- func GetPredictEdbDayListByNum(startDate time.Time, num int, frequency string) (dayList []time.Time) {
- switch frequency {
- case "日度":
- for i := 1; i <= num; {
- currDate := startDate.AddDate(0, 0, i)
- //周六、日排除
- if currDate.Weekday() == time.Sunday || currDate.Weekday() == time.Saturday {
- continue
- }
- dayList = append(dayList, currDate)
- i++
- }
- case "周度":
- for i := 1; i <= num; {
- dayList = append(dayList, startDate.AddDate(0, 0, i*7))
- i++
- }
- case "旬度":
- currDate := startDate
- for i := 1; i <= num; {
- nextDate := currDate.AddDate(0, 0, 1)
- //每个月的10号、20号、最后一天,那么就写入
- if nextDate.Day() == 11 || nextDate.Day() == 21 || nextDate.Day() == 1 {
- dayList = append(dayList, currDate)
- i++
- }
- currDate = nextDate
- }
- case "月度":
- currDate := startDate
- for i := 1; i <= num; {
- currDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- if !currDate.Equal(startDate) {
- dayList = append(dayList, currDate)
- i++
- }
- currDate = currDate.AddDate(0, 0, 1)
- }
- case "季度":
- currDate := startDate
- for i := 1; i <= num; {
- // 每月的最后一天
- currDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- if !currDate.Equal(startDate) {
- // 季度日期就写入,否则不写入
- if currDate.Month() == 3 || currDate.Month() == 6 || currDate.Month() == 9 || currDate.Month() == 12 {
- dayList = append(dayList, currDate)
- i++
- }
- }
- currDate = currDate.AddDate(0, 0, 1)
- }
- case "半年度":
- currDate := startDate
- for i := 1; i <= num; {
- // 每月的最后一天
- currDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, time.Now().Location()).AddDate(0, 1, -1)
- if !currDate.Equal(startDate) {
- // 半年度日期就写入,否则不写入
- if currDate.Month() == 6 || currDate.Month() == 12 {
- dayList = append(dayList, currDate)
- i++
- }
- }
- currDate = currDate.AddDate(0, 0, 1)
- }
- case "年度":
- currDate := startDate
- for i := 1; i <= num; {
- currDate = time.Date(currDate.Year()+1, 12, 31, 0, 0, 0, 0, time.Now().Location())
- if !currDate.Equal(startDate) {
- dayList = append(dayList, currDate)
- i++
- }
- }
- }
- return
- }
- // FormatMixTableDataShowValue 格式化自定表格显示数据
- func FormatMixTableDataShowValue(x float64) (res string) {
- res = strconv.FormatFloat(x, 'f', -1, 64)
- return
- }
- // FormatTableDataShowValue 格式化自定表格显示数据
- func FormatTableDataShowValue(x float64) (res string) {
- if x > 1 || x < -1 {
- res = decimal.NewFromFloat(x).Round(2).String()
- return
- }
- // 介于-1到1之间
- xStr := strconv.FormatFloat(x, 'f', -10, 64)
- // 使用 strings.Split 函数将小数拆分为整数部分和小数部分
- xParts := strings.Split(xStr, ".")
- if len(xParts) < 2 {
- res = fmt.Sprint(x)
- return
- }
- // 计算小数部分的长度,即小数点后面的位数
- xDecimals := len(xParts[1])
- if xDecimals > 2 {
- parts := xParts[1]
- // 小数点后小于等于两位, 直接拼接返回
- partLen := len(xParts[1])
- if partLen <= 2 {
- res = xParts[0] + "." + parts
- return
- }
- // 找出第一个有效数字, 算出n
- one := 0
- for k, p := range parts {
- // 48->0
- if p != 48 {
- if one == 0 {
- one = k + 1
- }
- }
- }
- n := partLen - one
- if n >= 1 {
- n -= 1
- } else {
- one -= 1
- }
- var partFloat float64
- partInt, _ := strconv.Atoi(parts)
- partFloat, _ = decimal.NewFromInt(int64(partInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(n)))).Float64()
- partFloat = math.Round(partFloat)
- partFloat, _ = decimal.NewFromFloat(partFloat).Div(decimal.NewFromFloat(math.Pow(10, float64(one+1)))).Float64()
- resParts := strings.Split(fmt.Sprint(partFloat), ".")
- resPart := ""
- if len(resParts) > 1 {
- resPart = resParts[1]
- } else {
- resPart = resParts[0]
- }
- res = xParts[0] + "." + resPart
- }
- if xDecimals <= 2 {
- xDecimalsStr := xParts[1]
- x, _ = strconv.ParseFloat(xParts[0]+"."+xDecimalsStr, 64)
- res = xParts[0] + "." + xDecimalsStr
- }
- return
- }
- func DealDateTimeZero(t time.Time, format string) (timeStr string) {
- if !t.IsZero() {
- timeStr = t.Format(format)
- }
- return
- }
- // IsPercentage
- // @Description: 判断一个字符串是否是百分比的字符串,并返回百分比的值(比如:50%,返回true 50)
- // @author: Roc
- // @datetime 2023-11-29 14:00:31
- // @param input string
- // @return bool
- // @return string
- func IsPercentage(input string) (bool, string) {
- percentagePattern := `^-?(\d+(\.\d+)?)%$`
- match, _ := regexp.MatchString(percentagePattern, input)
- if match {
- re := regexp.MustCompile(percentagePattern)
- match := re.FindStringSubmatch(input)
- // 区分负数和正数,确保返回结果包含负号(如有)
- sign := "-"
- if input[0] != '-' {
- sign = ""
- }
- return true, sign + match[1]
- }
- return false, ""
- }
- // GetLikeKeyword
- //
- // @Description: 获取sql查询中的like查询字段
- // @author: Roc
- // @datetime2023-10-23 14:46:32
- // @param keyword string
- // @return string
- func GetLikeKeyword(keyword string) string {
- return `%` + keyword + `%`
- }
- // GetLikeKeywordPars
- //
- // @Description: 获取sql查询中的参数切片
- // @author: Roc
- // @datetime2023-10-23 14:50:18
- // @param pars []interface{}
- // @param keyword string
- // @param num int
- // @return newPars []interface{}
- func GetLikeKeywordPars(pars []interface{}, keyword string, num int) (newPars []interface{}) {
- newPars = pars
- if newPars == nil {
- newPars = make([]interface{}, 0)
- }
- for i := 1; i <= num; i++ {
- newPars = append(newPars, `%`+keyword+`%`)
- }
- return
- }
- func GetSign(nonce, timestamp, appId, secret string) (sign string) {
- signStrMap := map[string]string{
- "nonce": nonce,
- "timestamp": timestamp,
- "appid": appId,
- }
- keys := make([]string, 0, len(signStrMap))
- for k := range signStrMap {
- keys = append(keys, k)
- }
- sort.Strings(keys)
- var signStr string
- for _, k := range keys {
- signStr += k + "=" + signStrMap[k] + "&"
- }
- signStr = strings.Trim(signStr, "&")
- fmt.Println("signStr:" + signStr)
- sign = HmacSha256ToBase64(secret, signStr)
- return
- }
- // HmacSha256ToBase64 将加密后的二进制转Base64字符串
- func HmacSha256ToBase64(key string, data string) string {
- return base64.URLEncoding.EncodeToString(HmacSha256(key, data))
- }
- // HmacSha256 计算HmacSha256
- // key 是加密所使用的key
- // data 是加密的内容
- func HmacSha256(key string, data string) []byte {
- mac := hmac.New(sha256.New, []byte(key))
- _, _ = mac.Write([]byte(data))
- return mac.Sum(nil)
- }
- func PascalToSnake(s string) string {
- var result []rune
- for i, char := range s {
- // 在大写字母前插入下划线,除非是第一个字母
- if i > 0 && unicode.IsUpper(char) {
- result = append(result, '_')
- }
- // 将字母转为小写
- result = append(result, unicode.ToLower(char))
- }
- return string(result)
- }
- // ArrContainsStr函数检查一个字符串是否在字符串数组中
- func ArrContainsStr(arr []string, str string) bool {
- for _, v := range arr {
- if v == str {
- return true
- }
- }
- return false
- }
- func GetColorMap() map[int]string {
- colorMap := make(map[int]string)
- colors := []string{"#0000FF", "#FF0000", "#999999", "#000000", "#7CB5EC", "#90ED7D", "#F7A35C", "#8085E9",
- "#F15C80", "#E4D354", "#2B908F", "#F45B5B", "#91E8E1", "#FDA8C7", "#8A4294",
- "#578B5A", "#0033FF", "#849EC1", "#FFDF0C", "#005496", "#00F0FF", "#4D535B",
- "#4F4C34", "#804141", "#86BABD", "#8AA3FF", "#960000", "#A173DB", "#A39340",
- "#CE814A", "#D1D2E6", "#EAB7B7", "#FF2E7A", "#FF4AF8", "#FF785B", "#FF9696", "#FFA800", "#FFBC97", "#FFDFDF"}
- for k, v := range colors {
- colorMap[k] = v
- }
- return colorMap
- }
- // 检查src属性是否以http或data:image开头
- func isValidSrc(src string) bool {
- // 使用Parse函数解析URL
- parsedURL, err := url.Parse(src)
- if err != nil {
- validSchemes := regexp.MustCompile(`^data:image\/.*;base64,.*$`)
- return validSchemes.MatchString(src)
- }
- if parsedURL.Host == "" || (parsedURL.Scheme != "http" && parsedURL.Scheme != "https") {
- validSchemes := regexp.MustCompile(`^data:image\/.*;base64,.*$`)
- return validSchemes.MatchString(src)
- }
- return true
- }
- // ContentXssCheck 校验文本中的JS代码
- func ContentXssCheck(content string) (err error) {
- // 解析HTML内容
- node, err := xhtml.Parse(strings.NewReader(content))
- if err != nil {
- err = fmt.Errorf(" html.Parse Err: %v", err)
- return
- }
- // 遍历解析后的节点树,查找特定标签
- var visit func(n *xhtml.Node) error
- visit = func(n *xhtml.Node) error {
- if n.Type == xhtml.ElementNode {
- lowerData := strings.ToLower(n.Data)
- switch lowerData {
- case "script", "javascript":
- err = fmt.Errorf(" script is forbidden")
- return err
- default:
- for _, attr := range n.Attr { //判断事件
- lowerKey := strings.ToLower(attr.Key)
- lowerVal := strings.ToLower(attr.Val)
- if lowerKey == "src" || lowerKey == "dynsrc" || lowerKey == "background" || lowerKey == "lowsrc" {
- if lowerVal != `` && !isValidSrc(lowerVal) {
- err = fmt.Errorf("invalid src attribute value: %s", attr.Val)
- return err
- }
- }
- if strings.HasPrefix(lowerKey, "on") {
- err = fmt.Errorf("the event is forbidden: %s:%s", attr.Key, attr.Val)
- return err
- }
- if lowerKey == "style" {
- if strings.Contains(lowerVal, "javascript:") || strings.Contains(lowerVal, "script:") {
- err = fmt.Errorf("invalid style attribute value: %s", attr.Val)
- return err
- }
- }
- }
- /* case "src":
- // 如果<src>是某个标签的属性,你可能需要递归检查其父节点
- // 这里简单起见,我们假设<src>不是有效的HTML标签,并忽略它
- // 在实际中,你可能需要更复杂的逻辑来处理这种情况
- fmt.Println("Warning: Unexpected 'src' tag found.")*/
- }
- }
- for c := n.FirstChild; c != nil; c = c.NextSibling {
- if err = visit(c); err != nil {
- return err
- }
- }
- return nil
- }
- // 检查HTML文档中的事件
- if err = visit(node); err != nil {
- return
- }
- return
- }
- func ContentXssFilter(content string) (cleanContent string) {
- p := customXssPolicy()
- // The policy can then be used to sanitize lots of input and it is safe to use the policy in multiple goroutines
- cleanContent = p.Sanitize(
- content,
- )
- return
- }
- func customXssPolicy() (p *bluemonday.Policy) {
- p = bluemonday.UGCPolicy()
- // iframe
- p.AllowElements("iframe")
- p.AllowAttrs("width").OnElements("iframe")
- p.AllowAttrs("height").OnElements("iframe")
- p.AllowAttrs("src").OnElements("iframe")
- p.AllowAttrs("frameborder").Matching(bluemonday.Number).OnElements("iframe")
- p.AllowAttrs("allow").Matching(regexp.MustCompile(`[a-z; -]*`)).OnElements("iframe")
- p.AllowAttrs("allowfullscreen").OnElements("iframe")
- return
- }
- // SecondsToHHMMSS 秒转HH:MM:SS
- func SecondsToHHMMSS(seconds int) string {
- duration := time.Duration(seconds) * time.Second
- hours := int(duration.Hours())
- minutes := int(duration.Minutes()) % 60
- seconds = int(duration.Seconds()) % 60
- if hours > 0 {
- return fmt.Sprintf("%02d:%02d:%02d", hours, minutes, seconds)
- } else {
- return fmt.Sprintf("%02d:%02d", minutes, seconds)
- }
- }
- // MillisecondsToHHMMSS 毫秒转HH:MM:SS
- func MillisecondsToHHMMSS(ms int) string {
- duration := time.Duration(ms) * time.Millisecond
- hours := int(duration / (time.Hour))
- minutes := int((duration % (time.Hour)) / time.Minute)
- seconds := int((duration % time.Hour % time.Minute) / time.Second)
- // 将整数小时、分钟和秒数转换为字符串,并添加冒号分隔符
- hourStr := strconv.Itoa(hours)
- minuteStr := strconv.Itoa(minutes)
- secondStr := strconv.Itoa(seconds)
- // 根据不足两位数的情况补零
- if len(hourStr) == 1 {
- hourStr = "0" + hourStr
- }
- if len(minuteStr) == 1 {
- minuteStr = "0" + minuteStr
- }
- if len(secondStr) == 1 {
- secondStr = "0" + secondStr
- }
- return hourStr + ":" + minuteStr + ":" + secondStr
- }
- func ByteToMB(byteCount int) float64 {
- return float64(byteCount) / (1024 * 1024)
- }
- // DateConvMysqlConvMongo
- // @Description: 将mysql中的日期比较符转换成mongo中的日期比较符
- // @author: Roc
- // @datetime 2024-05-08 11:03:26
- // @param dateCon string
- func DateConvMysqlConvMongo(dateCon string) string {
- cond := ""
- switch dateCon {
- case "=":
- cond = "$eq"
- case "<":
- cond = "$lt"
- case "<=":
- cond = "$lte"
- case ">":
- cond = "$gt"
- case ">=":
- cond = "$gte"
- }
- return cond
- }
- // handleSystemAppointDateT
- // @Description: 处理系统日期相关的指定频率(所在周/旬/月/季/半年/年的最后/最早一天)
- // @author: Roc
- // @datetime2023-10-27 09:31:35
- // @param Frequency string
- // @param Day string
- // @return date string
- // @return err error
- // @return errMsg string
- func HandleSystemAppointDateT(currDate time.Time, appointDay, frequency string) (date string, err error, errMsg string) {
- //currDate := time.Now()
- switch frequency {
- case "本周":
- day := int(currDate.Weekday())
- if day == 0 { // 周日
- day = 7
- }
- num := 0
- switch appointDay {
- case "周一":
- num = 1
- case "周二":
- num = 2
- case "周三":
- num = 3
- case "周四":
- num = 4
- case "周五":
- num = 5
- case "周六":
- num = 6
- case "周日":
- num = 7
- }
- day = num - day
- date = currDate.AddDate(0, 0, day).Format(FormatDate)
- case "本旬":
- day := currDate.Day()
- var tmpDate time.Time
- switch appointDay {
- case "第一天":
- if day <= 10 {
- tmpDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, currDate.Location())
- } else if day <= 20 {
- tmpDate = time.Date(currDate.Year(), currDate.Month(), 11, 0, 0, 0, 0, currDate.Location())
- } else {
- tmpDate = time.Date(currDate.Year(), currDate.Month(), 21, 0, 0, 0, 0, currDate.Location())
- }
- case "最后一天":
- if day <= 10 {
- tmpDate = time.Date(currDate.Year(), currDate.Month(), 10, 0, 0, 0, 0, currDate.Location())
- } else if day <= 20 {
- tmpDate = time.Date(currDate.Year(), currDate.Month(), 20, 0, 0, 0, 0, currDate.Location())
- } else {
- tmpDate = time.Date(currDate.Year(), currDate.Month()+1, 1, 0, 0, 0, 0, currDate.Location()).AddDate(0, 0, -1)
- }
- }
- date = tmpDate.Format(FormatDate)
- case "本月":
- var tmpDate time.Time
- switch appointDay {
- case "第一天":
- tmpDate = time.Date(currDate.Year(), currDate.Month(), 1, 0, 0, 0, 0, currDate.Location())
- case "最后一天":
- tmpDate = time.Date(currDate.Year(), currDate.Month()+1, 1, 0, 0, 0, 0, currDate.Location()).AddDate(0, 0, -1)
- }
- date = tmpDate.Format(FormatDate)
- case "本季":
- month := currDate.Month()
- var tmpDate time.Time
- switch appointDay {
- case "第一天":
- if month <= 3 {
- tmpDate = time.Date(currDate.Year(), 1, 1, 0, 0, 0, 0, currDate.Location())
- } else if month <= 6 {
- tmpDate = time.Date(currDate.Year(), 4, 1, 0, 0, 0, 0, currDate.Location())
- } else if month <= 9 {
- tmpDate = time.Date(currDate.Year(), 7, 1, 0, 0, 0, 0, currDate.Location())
- } else {
- tmpDate = time.Date(currDate.Year(), 10, 1, 0, 0, 0, 0, currDate.Location())
- }
- case "最后一天":
- if month <= 3 {
- tmpDate = time.Date(currDate.Year(), 3, 31, 0, 0, 0, 0, currDate.Location())
- } else if month <= 6 {
- tmpDate = time.Date(currDate.Year(), 6, 30, 0, 0, 0, 0, currDate.Location())
- } else if month <= 9 {
- tmpDate = time.Date(currDate.Year(), 9, 30, 0, 0, 0, 0, currDate.Location())
- } else {
- tmpDate = time.Date(currDate.Year(), 12, 31, 0, 0, 0, 0, currDate.Location())
- }
- }
- date = tmpDate.Format(FormatDate)
- case "本半年":
- month := currDate.Month()
- var tmpDate time.Time
- switch appointDay {
- case "第一天":
- if month <= 6 {
- tmpDate = time.Date(currDate.Year(), 1, 1, 0, 0, 0, 0, currDate.Location())
- } else {
- tmpDate = time.Date(currDate.Year(), 7, 1, 0, 0, 0, 0, currDate.Location())
- }
- case "最后一天":
- if month <= 6 {
- tmpDate = time.Date(currDate.Year(), 6, 30, 0, 0, 0, 0, currDate.Location())
- } else {
- tmpDate = time.Date(currDate.Year(), 12, 31, 0, 0, 0, 0, currDate.Location())
- }
- }
- date = tmpDate.Format(FormatDate)
- case "本年":
- var tmpDate time.Time
- switch appointDay {
- case "第一天":
- tmpDate = time.Date(currDate.Year(), 1, 1, 0, 0, 0, 0, currDate.Location())
- case "最后一天":
- tmpDate = time.Date(currDate.Year(), 12, 31, 0, 0, 0, 0, currDate.Location())
- }
- date = tmpDate.Format(FormatDate)
- default:
- errMsg = "错误的日期频度:" + frequency
- err = errors.New(errMsg)
- return
- }
- return
- }
- func CompareFloatByOpStrings(op string, a, b float64) bool {
- switch op {
- case "=":
- return a == b
- case ">":
- return a > b
- case ">=":
- return a >= b
- case "<=":
- return a <= b
- case "<":
- return a < b
- }
- return false
- }
- func GetDuration(filePath string) (duration string, err error) {
- // 构建 FFmpeg 命令,使用 ffprobe 来获取媒体文件信息
- cmd := exec.Command("ffprobe", "-i", filePath, "-show_entries", "format=duration", "-v", "quiet", "-of", "csv=p=0")
- var out bytes.Buffer
- cmd.Stdout = &out
- // 执行命令并捕获输出
- err = cmd.Run()
- if err != nil {
- return "", err
- }
- // 使用正则表达式匹配输出中的时长信息
- re := regexp.MustCompile(`\d+\.\d+`)
- duration = re.FindString(out.String())
- return duration, nil
- }
- // ForwardPars
- // @Description: 向前插入参数
- // @param pars
- // @param values
- // @return []interface{}
- func ForwardPars(pars []interface{}, values ...interface{}) []interface{} {
- if len(values) <= 0 {
- return pars
- }
- return append(values, pars...)
- }
- // AppendPars
- // @Description: 向后插入参数
- // @param pars
- // @param values
- // @return []interface{}
- func AppendPars(pars []interface{}, values ...interface{}) []interface{} {
- if len(values) <= 0 {
- return pars
- }
- return append(pars, values...)
- }
- func ExcelDateToDate(excelDate string) time.Time {
- excelTime := time.Date(1899, time.December, 30, 0, 0, 0, 0, time.UTC)
- var days, _ = strconv.Atoi(excelDate)
- return excelTime.Add(time.Second * time.Duration(days*86400))
- }
- // ExcelTimeToTime 将 Excel 中的时间浮点数转换为 Go 的 time.Time(只包含时间部分)
- func ExcelTimeToTime(excelTime float64) time.Time {
- // Excel 中的时间是从 0(1900-01-00 00:00:00,注意 Excel 的日期基准问题)开始的浮点数天数
- // 这里我们假设日期部分为 0(即只处理时间),并创建一个基准时间(可以是任意日期,因为我们只关心时间)
- baseTime := time.Date(1899, time.December, 30, 0, 0, 0, 0, time.UTC) // 注意:这里使用 1899-12-30 是因为 Excel 的日期系统从这一天开始(考虑到 1900 年错误)
- // 计算小时、分钟和秒
- hours := int(excelTime * 24)
- minutes := int(math.Mod(excelTime*24*60, 60))
- seconds := int(math.Mod(excelTime*24*60*60, 60))
- // 创建一个只包含时间部分的 time.Time 对象
- return time.Date(baseTime.Year(), baseTime.Month(), baseTime.Day(), hours, minutes, seconds, 0, time.UTC)
- }
- // TimeToFormatDate
- // @Description: 时间格式转日期字符串
- // @param t
- // @return string
- func TimeToFormatDate(t time.Time) string {
- if t.IsZero() {
- return "0000-00-00"
- }
- return t.Format(FormatDate)
- }
- // TimeToFormatDateTime
- // @Description: 时间格式转日期+时间字符串
- // @param t
- // @return string
- func TimeToFormatDateTime(t time.Time) string {
- if t.IsZero() {
- return "0000-00-00 00:00:00"
- }
- return t.Format(FormatDateTime)
- }
- // FormatDateStrToTime
- // @Description: 日期字符串转日期格式
- // @param timeStr
- // @return currTime
- // @return err
- func FormatDateStrToTime(timeStr string) (currTime time.Time, err error) {
- if timeStr != `` {
- return
- }
- if strings.Contains(timeStr, "T") {
- return time.ParseInLocation(FormatDateWallWithLoc, timeStr, time.Local)
- }
- if strings.Contains(timeStr, ":") {
- return time.ParseInLocation(FormatDateTime, timeStr, time.Local)
- }
- return time.ParseInLocation(FormatDate, timeStr, time.Local)
- }
- // GormDateStrToDateTimeStr
- // @Description: gorm日期字符串格式转正常显示的日期时间字符串
- // @param originalString
- // @return formatStr
- func GormDateStrToDateTimeStr(originalString string) (formatStr string) {
- formatStr = originalString
- if !strings.Contains(originalString, "T") {
- return
- }
- // 解析原始字符串
- t, err := time.Parse(FormatDateWallWithLoc, originalString)
- if err != nil {
- fmt.Println("Error parsing time:", err)
- return
- }
- // 重新格式化时间
- formatStr = t.Format(FormatDateTime)
- return
- }
- // GormDateStrToDateStr
- // @Description: gorm日期字符串格式转正常显示的日期字符串
- // @param originalString
- // @return formatStr
- func GormDateStrToDateStr(originalString string) (formatStr string) {
- formatStr = originalString
- if !strings.Contains(originalString, "T") {
- return
- }
- // 解析原始字符串
- t, err := time.Parse(FormatDateWallWithLoc, originalString)
- if err != nil {
- fmt.Println("Error parsing time:", err)
- return
- }
- // 重新格式化时间
- formatStr = t.Format(FormatDate)
- return
- }
- // ReflectSetField
- // @Description: 通过反射处理时间字段
- // @param original
- // @param result
- // @param fieldsToProcess
- // @param formatDate
- // @return interface{}
- // @return error
- func ReflectSetField(original, result interface{}, fieldsToProcess []string, formatDate string) error {
- // 通过反射处理时间字段
- fieldsToProcess = []string{"CreateTime", "ModifyTime", "BaseModifyTime", "StartDate", "EndDate"}
- for _, fieldName := range fieldsToProcess {
- value := reflect.ValueOf(original).FieldByName(fieldName)
- if !value.IsValid() {
- continue
- }
- //fmt.Println("fieldName:", fieldName)
- //fmt.Println(value.Kind())
- //fmt.Println(value.Type())
- //fmt.Println(reflect.TypeOf(time.Time{}) == value.Type())
- // 如果是时间类型,那么就写入结果中
- if reflect.TypeOf(time.Time{}) == value.Type() {
- t := value.Interface().(time.Time)
- tmpVal := ``
- if t.IsZero() {
- tmpVal = ``
- } else {
- tmpVal = t.Format(formatDate)
- }
- v := reflect.ValueOf(result).Elem()
- f := v.FieldByName(fieldName)
- if !f.IsValid() {
- fmt.Printf("Field '%s' not found in the struct.\n", fieldName)
- continue
- }
- f.Set(reflect.ValueOf(tmpVal))
- }
- }
- return nil
- }
- // RoundNumber 保留小数位数
- func RoundNumber(num string, decimalPlaces int, hasPercent bool) string {
- numDecimal, _ := decimal.NewFromString(num)
- if hasPercent {
- numDecimal = numDecimal.Mul(decimal.NewFromInt(100))
- }
- numFloat, _ := numDecimal.Round(int32(decimalPlaces)).Float64()
- numStr := strconv.FormatFloat(numFloat, 'f', decimalPlaces, 64)
- if hasPercent {
- numStr += "%"
- }
- return numStr
- }
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