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@@ -0,0 +1,625 @@
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+package utils
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+
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+import (
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+ "bufio"
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+ "crypto/md5"
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+ "crypto/sha1"
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+ "encoding/base64"
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+ "encoding/hex"
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+ "encoding/json"
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+ "fmt"
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+ "image"
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+ "image/png"
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+ "io"
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+ "math"
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+ "math/rand"
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+ "net/http"
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+ "os"
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+ "os/exec"
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+ "path"
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+ "regexp"
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+ "strconv"
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+ "strings"
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+ "time"
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+)
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+
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+//随机数种子
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+var rnd = rand.New(rand.NewSource(time.Now().UnixNano()))
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+
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+func GetRandString(size int) string {
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+ 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", "!", "@", "#", "$", "%", "^", "&", "*"}
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+ randomSb := ""
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+ digitSize := len(allLetterDigit)
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+ for i := 0; i < size; i++ {
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+ randomSb += allLetterDigit[rnd.Intn(digitSize)]
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+ }
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+ return randomSb
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+}
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+
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+func GetRandStringNoSpecialChar(size int) string {
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+ 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"}
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+ randomSb := ""
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+ digitSize := len(allLetterDigit)
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+ for i := 0; i < size; i++ {
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+ randomSb += allLetterDigit[rnd.Intn(digitSize)]
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+ }
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+ return randomSb
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+}
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+
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+func StringsToJSON(str string) string {
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+ rs := []rune(str)
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+ jsons := ""
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+ for _, r := range rs {
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+ rint := int(r)
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+ if rint < 128 {
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+ jsons += string(r)
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+ } else {
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+ jsons += "\\u" + strconv.FormatInt(int64(rint), 16) // json
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+ }
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+ }
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+ return jsons
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+}
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+
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+//序列化
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+func ToString(v interface{}) string {
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+ data, _ := json.Marshal(v)
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+ return string(data)
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+}
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+
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+//md5加密
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+func MD5(data string) string {
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+ m := md5.Sum([]byte(data))
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+ return hex.EncodeToString(m[:])
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+}
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+
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+// 获取数字随机字符
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+func GetRandDigit(n int) string {
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+ return fmt.Sprintf("%0"+strconv.Itoa(n)+"d", rnd.Intn(int(math.Pow10(n))))
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+}
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+
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+// 获取随机数
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+func GetRandNumber(n int) int {
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+ return rnd.Intn(n)
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+}
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+
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+func GetRandInt(min, max int) int {
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+ if min >= max || min == 0 || max == 0 {
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+ return max
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+ }
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+ return rand.Intn(max-min) + min
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+}
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+
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+func GetToday(format string) string {
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+ today := time.Now().Format(format)
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+ return today
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+}
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+
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+//获取今天剩余秒数
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+func GetTodayLastSecond() time.Duration {
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+ today := GetToday(FormatDate) + " 23:59:59"
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+ end, _ := time.ParseInLocation(FormatDateTime, today, time.Local)
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+ return time.Duration(end.Unix()-time.Now().Local().Unix()) * time.Second
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+}
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+
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+// 处理出生日期函数
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+func GetBrithDate(idcard string) string {
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+ l := len(idcard)
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+ var s string
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+ if l == 15 {
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+ s = "19" + idcard[6:8] + "-" + idcard[8:10] + "-" + idcard[10:12]
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+ return s
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+ }
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+ if l == 18 {
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+ s = idcard[6:10] + "-" + idcard[10:12] + "-" + idcard[12:14]
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+ return s
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+ }
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+ return GetToday(FormatDate)
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+}
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+
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+//处理性别
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+func WhichSexByIdcard(idcard string) string {
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+ var sexs = [2]string{"女", "男"}
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+ length := len(idcard)
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+ if length == 18 {
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+ sex, _ := strconv.Atoi(string(idcard[16]))
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+ return sexs[sex%2]
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+ } else if length == 15 {
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+ sex, _ := strconv.Atoi(string(idcard[14]))
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+ return sexs[sex%2]
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+ }
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+ return "男"
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+}
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+
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+//截取小数点后几位
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+func SubFloatToString(f float64, m int) string {
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+ n := strconv.FormatFloat(f, 'f', -1, 64)
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+ if n == "" {
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+ return ""
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+ }
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+ if m >= len(n) {
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+ return n
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+ }
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+ newn := strings.Split(n, ".")
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+ if m == 0 {
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+ return newn[0]
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+ }
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+ if len(newn) < 2 || m >= len(newn[1]) {
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+ return n
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+ }
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+ return newn[0] + "." + newn[1][:m]
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+}
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+
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+//截取小数点后几位
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+func SubFloatToFloat(f float64, m int) float64 {
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+ newn := SubFloatToString(f, m)
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+ newf, _ := strconv.ParseFloat(newn, 64)
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+ return newf
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+}
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+
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+//截取小数点后几位
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+func SubFloatToFloatStr(f float64, m int) string {
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+ newn := SubFloatToString(f, m)
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+ return newn
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+}
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+
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+//获取相差时间-年
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+func GetYearDiffer(start_time, end_time string) int {
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+ t1, _ := time.ParseInLocation("2006-01-02", start_time, time.Local)
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+ t2, _ := time.ParseInLocation("2006-01-02", end_time, time.Local)
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+ age := t2.Year() - t1.Year()
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+ if t2.Month() < t1.Month() || (t2.Month() == t1.Month() && t2.Day() < t1.Day()) {
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+ age--
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+ }
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+ return age
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+}
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+
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+//获取相差时间-秒
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+func GetSecondDifferByTime(start_time, end_time time.Time) int64 {
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+ diff := end_time.Unix() - start_time.Unix()
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+ return diff
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+}
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+
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+func FixFloat(f float64, m int) float64 {
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+ newn := SubFloatToString(f+0.00000001, m)
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+ newf, _ := strconv.ParseFloat(newn, 64)
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+ return newf
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+}
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+
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+// 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"
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+func StrListToString(strList []string) (str string) {
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+ if len(strList) > 0 {
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+ for k, v := range strList {
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+ if k == 0 {
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+ str = v
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+ } else {
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+ str = str + "," + v
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+ }
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+ }
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+ return
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+ }
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+ return ""
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+}
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+
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+//Token
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+func GetToken() string {
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+ randStr := GetRandString(64)
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+ token := MD5(randStr + Md5Key)
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+ tokenLen := 64 - len(token)
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+ return strings.ToUpper(token + GetRandString(tokenLen))
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+}
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+
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+//数据没有记录
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+func ErrNoRow() string {
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+ return "<QuerySeter> no row found"
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+}
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+
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+//校验邮箱格式
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+func ValidateEmailFormatat(email string) bool {
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+ reg := regexp.MustCompile(RegularEmail)
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+ return reg.MatchString(email)
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+}
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+
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+//验证是否是手机号
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+func ValidateMobileFormatat(mobileNum string) bool {
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+ reg := regexp.MustCompile(RegularMobile)
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+ return reg.MatchString(mobileNum)
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+}
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+
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+//判断文件是否存在
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+func FileIsExist(filePath string) bool {
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+ _, err := os.Stat(filePath)
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+ return err == nil || os.IsExist(err)
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+}
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+
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+//获取图片扩展名
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+func GetImgExt(file string) (ext string, err error) {
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+ var headerByte []byte
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+ headerByte = make([]byte, 8)
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+ fd, err := os.Open(file)
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+ if err != nil {
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+ return "", err
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+ }
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+ defer fd.Close()
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+ _, err = fd.Read(headerByte)
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+ if err != nil {
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+ return "", err
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+ }
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+ xStr := fmt.Sprintf("%x", headerByte)
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+ switch {
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+ case xStr == "89504e470d0a1a0a":
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+ ext = ".png"
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+ case xStr == "0000010001002020":
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+ ext = ".ico"
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+ case xStr == "0000020001002020":
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+ ext = ".cur"
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+ case xStr[:12] == "474946383961" || xStr[:12] == "474946383761":
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+ ext = ".gif"
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+ case xStr[:10] == "0000020000" || xStr[:10] == "0000100000":
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+ ext = ".tga"
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+ case xStr[:8] == "464f524d":
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+ ext = ".iff"
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+ case xStr[:8] == "52494646":
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+ ext = ".ani"
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+ case xStr[:4] == "4d4d" || xStr[:4] == "4949":
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+ ext = ".tiff"
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+ case xStr[:4] == "424d":
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+ ext = ".bmp"
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+ case xStr[:4] == "ffd8":
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+ ext = ".jpg"
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+ case xStr[:2] == "0a":
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+ ext = ".pcx"
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+ default:
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+ ext = ""
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+ }
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+ return ext, nil
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+}
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+
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+//保存图片
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+func SaveImage(path string, img image.Image) (err error) {
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+ //需要保持的文件
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+ imgfile, err := os.Create(path)
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+ defer imgfile.Close()
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+ // 以PNG格式保存文件
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+ err = png.Encode(imgfile, img)
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+ return err
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+}
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+
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+//下载图片
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+func DownloadImage(imgUrl string) (filePath string, err error) {
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+ imgPath := "./static/imgs/"
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+ fileName := path.Base(imgUrl)
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+ res, err := http.Get(imgUrl)
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+ if err != nil {
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+ fmt.Println("A error occurred!")
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+ return
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+ }
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+ defer res.Body.Close()
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+ // 获得get请求响应的reader对象
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+ reader := bufio.NewReaderSize(res.Body, 32*1024)
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+
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+ filePath = imgPath + fileName
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+ file, err := os.Create(filePath)
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+ if err != nil {
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+ return
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+ }
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+ // 获得文件的writer对象
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+ writer := bufio.NewWriter(file)
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+
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+ written, _ := io.Copy(writer, reader)
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+ fmt.Printf("Total length: %d \n", written)
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+ return
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+}
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+
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+//保存base64数据为文件
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+func SaveBase64ToFile(content, path string) error {
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+ data, err := base64.StdEncoding.DecodeString(content)
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+ if err != nil {
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+ return err
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+ }
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+ f, err := os.Create(path)
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+ defer f.Close()
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+ if err != nil {
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+ return err
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+ }
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+ f.Write(data)
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+ return nil
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+}
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+
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+func SaveBase64ToFileBySeek(content, path string) (err error) {
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+ data, err := base64.StdEncoding.DecodeString(content)
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+ exist, err := PathExists(path)
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+ if err != nil {
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+ return
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+ }
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+ if !exist {
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+ f, err := os.Create(path)
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+ if err != nil {
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+ return err
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+ }
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+ n, _ := f.Seek(0, 2)
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+ // 从末尾的偏移量开始写入内容
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+ _, err = f.WriteAt([]byte(data), n)
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+ defer f.Close()
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+ } else {
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+ f, err := os.OpenFile(path, os.O_WRONLY, 0644)
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+ if err != nil {
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+ return err
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+ }
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+ n, _ := f.Seek(0, 2)
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+ // 从末尾的偏移量开始写入内容
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+ _, err = f.WriteAt([]byte(data), n)
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+ defer f.Close()
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+ }
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+
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+ return nil
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+}
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+
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+func PathExists(path string) (bool, error) {
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+ _, err := os.Stat(path)
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+ if err == nil {
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+ return true, nil
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+ }
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+ if os.IsNotExist(err) {
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+ return false, nil
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+ }
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+ return false, err
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+}
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+
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+func StartIndex(page, pagesize int) int {
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+ if page > 1 {
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+ return (page - 1) * pagesize
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+ }
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+ return 0
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+}
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+func PageCount(count, pagesize int) int {
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+ if count%pagesize > 0 {
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+ return count/pagesize + 1
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+ } else {
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+ return count / pagesize
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+ }
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+}
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+
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+func TrimHtml(src string) string {
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+ //将HTML标签全转换成小写
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+ re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
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+ src = re.ReplaceAllStringFunc(src, strings.ToLower)
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+
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+ re, _ = regexp.Compile("\\<img[\\S\\s]+?\\>")
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+ src = re.ReplaceAllString(src, "[图片]")
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+
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+ re, _ = regexp.Compile("class[\\S\\s]+?>")
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+ src = re.ReplaceAllString(src, "")
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+ re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
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+ src = re.ReplaceAllString(src, "")
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+ return strings.TrimSpace(src)
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+}
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+
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+//1556164246 -> 2019-04-25 03:50:46 +0000
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+//timestamp
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+
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+func TimeToTimestamp() {
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+ fmt.Println(time.Unix(1556164246, 0).Format("2006-01-02 15:04:05"))
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+}
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+
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+func ToUnicode(text string) string {
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+ textQuoted := strconv.QuoteToASCII(text)
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+ textUnquoted := textQuoted[1 : len(textQuoted)-1]
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|
+ 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 := `ffmpeg -i ` + videoPath + ` 2>&1 | grep 'Duration' | cut -d ' ' -f 4 | sed s/,//`
|
|
|
+ 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
|
|
|
+}
|
|
|
+
|
|
|
+// 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
|
|
|
+}
|
|
|
+
|
|
|
+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
|
|
|
+}
|
|
|
+
|
|
|
+//移除字符串中的空格
|
|
|
+func TrimStr(str string) (str2 string) {
|
|
|
+ return strings.Replace(str, " ", "", -1)
|
|
|
+}
|
|
|
+
|
|
|
+//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
|
|
|
+}
|
hongze
3 years ago