common.go 28 KB

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  1. package utils
  2. import (
  3. "bufio"
  4. "crypto/cipher"
  5. "crypto/des"
  6. "crypto/md5"
  7. "crypto/sha1"
  8. "encoding/base64"
  9. "encoding/hex"
  10. "encoding/json"
  11. "fmt"
  12. "image"
  13. "image/png"
  14. "io"
  15. "math"
  16. "math/rand"
  17. "net"
  18. "net/http"
  19. "os"
  20. "os/exec"
  21. "path"
  22. "regexp"
  23. "strconv"
  24. "strings"
  25. "time"
  26. "github.com/shopspring/decimal"
  27. )
  28. // 随机数种子
  29. var rnd = rand.New(rand.NewSource(time.Now().UnixNano()))
  30. func GetRandString(size int) string {
  31. 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", "!", "@", "#", "$", "%", "^", "&", "*"}
  32. randomSb := ""
  33. digitSize := len(allLetterDigit)
  34. for i := 0; i < size; i++ {
  35. randomSb += allLetterDigit[rnd.Intn(digitSize)]
  36. }
  37. return randomSb
  38. }
  39. func GetRandStringNoSpecialChar(size int) string {
  40. 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"}
  41. randomSb := ""
  42. digitSize := len(allLetterDigit)
  43. for i := 0; i < size; i++ {
  44. randomSb += allLetterDigit[rnd.Intn(digitSize)]
  45. }
  46. return randomSb
  47. }
  48. func StringsToJSON(str string) string {
  49. rs := []rune(str)
  50. jsons := ""
  51. for _, r := range rs {
  52. rint := int(r)
  53. if rint < 128 {
  54. jsons += string(r)
  55. } else {
  56. jsons += "\\u" + strconv.FormatInt(int64(rint), 16) // json
  57. }
  58. }
  59. return jsons
  60. }
  61. // 序列化
  62. func ToString(v interface{}) string {
  63. data, _ := json.Marshal(v)
  64. return string(data)
  65. }
  66. // md5加密
  67. func MD5(data string) string {
  68. m := md5.Sum([]byte(data))
  69. return hex.EncodeToString(m[:])
  70. }
  71. // 获取数字随机字符
  72. func GetRandDigit(n int) string {
  73. return fmt.Sprintf("%0"+strconv.Itoa(n)+"d", rnd.Intn(int(math.Pow10(n))))
  74. }
  75. // 获取随机数
  76. func GetRandNumber(n int) int {
  77. return rnd.Intn(n)
  78. }
  79. func GetRandInt(min, max int) int {
  80. if min >= max || min == 0 || max == 0 {
  81. return max
  82. }
  83. return rand.Intn(max-min) + min
  84. }
  85. func GetToday(format string) string {
  86. today := time.Now().Format(format)
  87. return today
  88. }
  89. // 获取今天剩余秒数
  90. func GetTodayLastSecond() time.Duration {
  91. today := GetToday(FormatDate) + " 23:59:59"
  92. end, _ := time.ParseInLocation(FormatDateTime, today, time.Local)
  93. return time.Duration(end.Unix()-time.Now().Local().Unix()) * time.Second
  94. }
  95. // 处理出生日期函数
  96. func GetBrithDate(idcard string) string {
  97. l := len(idcard)
  98. var s string
  99. if l == 15 {
  100. s = "19" + idcard[6:8] + "-" + idcard[8:10] + "-" + idcard[10:12]
  101. return s
  102. }
  103. if l == 18 {
  104. s = idcard[6:10] + "-" + idcard[10:12] + "-" + idcard[12:14]
  105. return s
  106. }
  107. return GetToday(FormatDate)
  108. }
  109. // 处理性别
  110. func WhichSexByIdcard(idcard string) string {
  111. var sexs = [2]string{"女", "男"}
  112. length := len(idcard)
  113. if length == 18 {
  114. sex, _ := strconv.Atoi(string(idcard[16]))
  115. return sexs[sex%2]
  116. } else if length == 15 {
  117. sex, _ := strconv.Atoi(string(idcard[14]))
  118. return sexs[sex%2]
  119. }
  120. return "男"
  121. }
  122. // 截取小数点后几位
  123. func SubFloatToString(f float64, m int) string {
  124. n := strconv.FormatFloat(f, 'f', -1, 64)
  125. if n == "" {
  126. return ""
  127. }
  128. if m >= len(n) {
  129. return n
  130. }
  131. newn := strings.Split(n, ".")
  132. if m == 0 {
  133. return newn[0]
  134. }
  135. if len(newn) < 2 || m >= len(newn[1]) {
  136. return n
  137. }
  138. return newn[0] + "." + newn[1][:m]
  139. }
  140. // 截取小数点后几位
  141. func SubFloatToFloat(f float64, m int) float64 {
  142. newn := SubFloatToString(f, m)
  143. newf, _ := strconv.ParseFloat(newn, 64)
  144. return newf
  145. }
  146. // 截取小数点后几位
  147. func SubFloatToFloatStr(f float64, m int) string {
  148. newn := SubFloatToString(f, m)
  149. return newn
  150. }
  151. // 获取相差时间-年
  152. func GetYearDiffer(start_time, end_time string) int {
  153. t1, _ := time.ParseInLocation("2006-01-02", start_time, time.Local)
  154. t2, _ := time.ParseInLocation("2006-01-02", end_time, time.Local)
  155. age := t2.Year() - t1.Year()
  156. if t2.Month() < t1.Month() || (t2.Month() == t1.Month() && t2.Day() < t1.Day()) {
  157. age--
  158. }
  159. return age
  160. }
  161. // 获取相差时间-秒
  162. func GetSecondDifferByTime(start_time, end_time time.Time) int64 {
  163. diff := end_time.Unix() - start_time.Unix()
  164. return diff
  165. }
  166. func FixFloat(f float64, m int) float64 {
  167. newn := SubFloatToString(f+0.00000001, m)
  168. newf, _ := strconv.ParseFloat(newn, 64)
  169. return newf
  170. }
  171. // 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"
  172. func StrListToString(strList []string) (str string) {
  173. if len(strList) > 0 {
  174. for k, v := range strList {
  175. if k == 0 {
  176. str = v
  177. } else {
  178. str = str + "," + v
  179. }
  180. }
  181. return
  182. }
  183. return ""
  184. }
  185. // 数据没有记录
  186. func ErrNoRow() string {
  187. return "<QuerySeter> no row found"
  188. }
  189. // 校验邮箱格式
  190. func ValidateEmailFormatat(email string) bool {
  191. reg := regexp.MustCompile(RegularEmail)
  192. return reg.MatchString(email)
  193. }
  194. // 验证是否是手机号
  195. func ValidateMobileFormatat(mobileNum string) bool {
  196. reg := regexp.MustCompile(RegularMobile)
  197. return reg.MatchString(mobileNum)
  198. }
  199. // 判断文件是否存在
  200. func FileIsExist(filePath string) bool {
  201. _, err := os.Stat(filePath)
  202. return err == nil || os.IsExist(err)
  203. }
  204. // 获取图片扩展名
  205. func GetImgExt(file string) (ext string, err error) {
  206. var headerByte []byte
  207. headerByte = make([]byte, 8)
  208. fd, err := os.Open(file)
  209. if err != nil {
  210. return "", err
  211. }
  212. defer fd.Close()
  213. _, err = fd.Read(headerByte)
  214. if err != nil {
  215. return "", err
  216. }
  217. xStr := fmt.Sprintf("%x", headerByte)
  218. switch {
  219. case xStr == "89504e470d0a1a0a":
  220. ext = ".png"
  221. case xStr == "0000010001002020":
  222. ext = ".ico"
  223. case xStr == "0000020001002020":
  224. ext = ".cur"
  225. case xStr[:12] == "474946383961" || xStr[:12] == "474946383761":
  226. ext = ".gif"
  227. case xStr[:10] == "0000020000" || xStr[:10] == "0000100000":
  228. ext = ".tga"
  229. case xStr[:8] == "464f524d":
  230. ext = ".iff"
  231. case xStr[:8] == "52494646":
  232. ext = ".ani"
  233. case xStr[:4] == "4d4d" || xStr[:4] == "4949":
  234. ext = ".tiff"
  235. case xStr[:4] == "424d":
  236. ext = ".bmp"
  237. case xStr[:4] == "ffd8":
  238. ext = ".jpg"
  239. case xStr[:2] == "0a":
  240. ext = ".pcx"
  241. default:
  242. ext = ""
  243. }
  244. return ext, nil
  245. }
  246. // 保存图片
  247. func SaveImage(path string, img image.Image) (err error) {
  248. //需要保持的文件
  249. imgfile, err := os.Create(path)
  250. defer imgfile.Close()
  251. // 以PNG格式保存文件
  252. err = png.Encode(imgfile, img)
  253. return err
  254. }
  255. // 下载图片
  256. func DownloadImage(imgUrl string) (filePath string, err error) {
  257. imgPath := "./static/imgs/"
  258. fileName := path.Base(imgUrl)
  259. res, err := http.Get(imgUrl)
  260. if err != nil {
  261. fmt.Println("A error occurred!")
  262. return
  263. }
  264. defer res.Body.Close()
  265. // 获得get请求响应的reader对象
  266. reader := bufio.NewReaderSize(res.Body, 32*1024)
  267. filePath = imgPath + fileName
  268. file, err := os.Create(filePath)
  269. if err != nil {
  270. return
  271. }
  272. // 获得文件的writer对象
  273. writer := bufio.NewWriter(file)
  274. written, _ := io.Copy(writer, reader)
  275. fmt.Printf("Total length: %d \n", written)
  276. return
  277. }
  278. // 保存base64数据为文件
  279. func SaveBase64ToFile(content, path string) error {
  280. data, err := base64.StdEncoding.DecodeString(content)
  281. if err != nil {
  282. return err
  283. }
  284. f, err := os.Create(path)
  285. defer f.Close()
  286. if err != nil {
  287. return err
  288. }
  289. f.Write(data)
  290. return nil
  291. }
  292. func SaveBase64ToFileBySeek(content, path string) (err error) {
  293. data, err := base64.StdEncoding.DecodeString(content)
  294. exist, err := PathExists(path)
  295. if err != nil {
  296. return
  297. }
  298. if !exist {
  299. f, err := os.Create(path)
  300. if err != nil {
  301. return err
  302. }
  303. n, _ := f.Seek(0, 2)
  304. // 从末尾的偏移量开始写入内容
  305. _, err = f.WriteAt([]byte(data), n)
  306. defer f.Close()
  307. } else {
  308. f, err := os.OpenFile(path, os.O_WRONLY, 0644)
  309. if err != nil {
  310. return err
  311. }
  312. n, _ := f.Seek(0, 2)
  313. // 从末尾的偏移量开始写入内容
  314. _, err = f.WriteAt([]byte(data), n)
  315. defer f.Close()
  316. }
  317. return nil
  318. }
  319. func PathExists(path string) (bool, error) {
  320. _, err := os.Stat(path)
  321. if err == nil {
  322. return true, nil
  323. }
  324. if os.IsNotExist(err) {
  325. return false, nil
  326. }
  327. return false, err
  328. }
  329. func StartIndex(page, pagesize int) int {
  330. if page > 1 {
  331. return (page - 1) * pagesize
  332. }
  333. return 0
  334. }
  335. func PageCount(count, pagesize int) int {
  336. if count%pagesize > 0 {
  337. return count/pagesize + 1
  338. } else {
  339. return count / pagesize
  340. }
  341. }
  342. func TrimHtml(src string) string {
  343. //将HTML标签全转换成小写
  344. re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
  345. src = re.ReplaceAllStringFunc(src, strings.ToLower)
  346. re, _ = regexp.Compile("\\<img[\\S\\s]+?\\>")
  347. src = re.ReplaceAllString(src, "[图片]")
  348. re, _ = regexp.Compile("class[\\S\\s]+?>")
  349. src = re.ReplaceAllString(src, "")
  350. re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
  351. src = re.ReplaceAllString(src, "")
  352. return strings.TrimSpace(src)
  353. }
  354. //1556164246 -> 2019-04-25 03:50:46 +0000
  355. //timestamp
  356. func TimeToTimestamp() {
  357. fmt.Println(time.Unix(1556164246, 0).Format("2006-01-02 15:04:05"))
  358. }
  359. func ToUnicode(text string) string {
  360. textQuoted := strconv.QuoteToASCII(text)
  361. textUnquoted := textQuoted[1 : len(textQuoted)-1]
  362. return textUnquoted
  363. }
  364. func VersionToInt(version string) int {
  365. version = strings.Replace(version, ".", "", -1)
  366. n, _ := strconv.Atoi(version)
  367. return n
  368. }
  369. func IsCheckInList(list []int, s int) bool {
  370. for _, v := range list {
  371. if v == s {
  372. return true
  373. }
  374. }
  375. return false
  376. }
  377. func round(num float64) int {
  378. return int(num + math.Copysign(0.5, num))
  379. }
  380. func toFixed(num float64, precision int) float64 {
  381. output := math.Pow(10, float64(precision))
  382. return float64(round(num*output)) / output
  383. }
  384. // GetWilsonScore returns Wilson Score
  385. func GetWilsonScore(p, n float64) float64 {
  386. if p == 0 && n == 0 {
  387. return 0
  388. }
  389. 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)
  390. }
  391. // 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
  392. func ChangeWordsToNum(str string) (numStr string) {
  393. words := ([]rune)(str)
  394. num := 0
  395. n := 0
  396. for i := 0; i < len(words); i++ {
  397. word := string(words[i : i+1])
  398. switch word {
  399. case "万":
  400. if n == 0 {
  401. n = 1
  402. }
  403. n = n * 10000
  404. num = num*10000 + n
  405. n = 0
  406. case "千":
  407. if n == 0 {
  408. n = 1
  409. }
  410. n = n * 1000
  411. num += n
  412. n = 0
  413. case "百":
  414. if n == 0 {
  415. n = 1
  416. }
  417. n = n * 100
  418. num += n
  419. n = 0
  420. case "十":
  421. if n == 0 {
  422. n = 1
  423. }
  424. n = n * 10
  425. num += n
  426. n = 0
  427. case "一":
  428. n += 1
  429. case "二":
  430. n += 2
  431. case "三":
  432. n += 3
  433. case "四":
  434. n += 4
  435. case "五":
  436. n += 5
  437. case "六":
  438. n += 6
  439. case "七":
  440. n += 7
  441. case "八":
  442. n += 8
  443. case "九":
  444. n += 9
  445. case "零":
  446. default:
  447. if n > 0 {
  448. num += n
  449. n = 0
  450. }
  451. if num == 0 {
  452. numStr += word
  453. } else {
  454. numStr += strconv.Itoa(num) + word
  455. num = 0
  456. }
  457. }
  458. }
  459. if n > 0 {
  460. num += n
  461. n = 0
  462. }
  463. if num != 0 {
  464. numStr += strconv.Itoa(num)
  465. }
  466. return
  467. }
  468. func Sha1(data string) string {
  469. sha1 := sha1.New()
  470. sha1.Write([]byte(data))
  471. return hex.EncodeToString(sha1.Sum([]byte("")))
  472. }
  473. func GetVideoPlaySeconds(videoPath string) (playSeconds float64, err error) {
  474. cmd := `ffmpeg -i ` + videoPath + ` 2>&1 | grep 'Duration' | cut -d ' ' -f 4 | sed s/,//`
  475. out, err := exec.Command("bash", "-c", cmd).Output()
  476. if err != nil {
  477. return
  478. }
  479. outTimes := string(out)
  480. fmt.Println("outTimes:", outTimes)
  481. if outTimes != "" {
  482. timeArr := strings.Split(outTimes, ":")
  483. h := timeArr[0]
  484. m := timeArr[1]
  485. s := timeArr[2]
  486. hInt, err := strconv.Atoi(h)
  487. if err != nil {
  488. return playSeconds, err
  489. }
  490. mInt, err := strconv.Atoi(m)
  491. if err != nil {
  492. return playSeconds, err
  493. }
  494. s = strings.Trim(s, " ")
  495. s = strings.Trim(s, "\n")
  496. sInt, err := strconv.ParseFloat(s, 64)
  497. if err != nil {
  498. return playSeconds, err
  499. }
  500. playSeconds = float64(hInt)*3600 + float64(mInt)*60 + float64(sInt)
  501. }
  502. return
  503. }
  504. func GetMaxTradeCode(tradeCode string) (maxTradeCode string, err error) {
  505. tradeCode = strings.Replace(tradeCode, "W", "", -1)
  506. tradeCode = strings.Trim(tradeCode, " ")
  507. tradeCodeInt, err := strconv.Atoi(tradeCode)
  508. if err != nil {
  509. return
  510. }
  511. tradeCodeInt = tradeCodeInt + 1
  512. maxTradeCode = fmt.Sprintf("W%06d", tradeCodeInt)
  513. return
  514. }
  515. // excel日期字段格式化 yyyy-mm-dd
  516. func ConvertToFormatDay(excelDaysString string) string {
  517. // 2006-01-02 距离 1900-01-01的天数
  518. 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
  519. curDiffDay := excelDaysString
  520. b, _ := strconv.Atoi(curDiffDay)
  521. // 获取excel的日期距离2006-01-02的天数
  522. realDiffDay := b - baseDiffDay
  523. //fmt.Println("realDiffDay:",realDiffDay)
  524. // 距离2006-01-02 秒数
  525. realDiffSecond := realDiffDay * 24 * 3600
  526. //fmt.Println("realDiffSecond:",realDiffSecond)
  527. // 2006-01-02 15:04:05距离1970-01-01 08:00:00的秒数 网上工具可查出
  528. baseOriginSecond := 1136185445
  529. resultTime := time.Unix(int64(baseOriginSecond+realDiffSecond), 0).Format("2006-01-02")
  530. return resultTime
  531. }
  532. func CheckPwd(pwd string) bool {
  533. compile := `([0-9a-z]+){6,12}|(a-z0-9]+){6,12}`
  534. reg := regexp.MustCompile(compile)
  535. flag := reg.MatchString(pwd)
  536. return flag
  537. }
  538. func GetMonthStartAndEnd(myYear string, myMonth string) (startDate, endDate string) {
  539. // 数字月份必须前置补零
  540. if len(myMonth) == 1 {
  541. myMonth = "0" + myMonth
  542. }
  543. yInt, _ := strconv.Atoi(myYear)
  544. timeLayout := "2006-01-02 15:04:05"
  545. loc, _ := time.LoadLocation("Local")
  546. theTime, _ := time.ParseInLocation(timeLayout, myYear+"-"+myMonth+"-01 00:00:00", loc)
  547. newMonth := theTime.Month()
  548. t1 := time.Date(yInt, newMonth, 1, 0, 0, 0, 0, time.Local).Format("2006-01-02")
  549. t2 := time.Date(yInt, newMonth+1, 0, 0, 0, 0, 0, time.Local).Format("2006-01-02")
  550. return t1, t2
  551. }
  552. // 移除字符串中的空格
  553. func TrimStr(str string) (str2 string) {
  554. return strings.Replace(str, " ", "", -1)
  555. }
  556. // 字符串转换为time
  557. func StrTimeToTime(strTime string) time.Time {
  558. timeLayout := "2006-01-02 15:04:05" //转化所需模板
  559. loc, _ := time.LoadLocation("Local") //重要:获取时区
  560. resultTime, _ := time.ParseInLocation(timeLayout, strTime, loc)
  561. return resultTime
  562. }
  563. // GetOrmInReplace 获取orm的in查询替换?的方法
  564. func GetOrmInReplace(num int) string {
  565. template := make([]string, num)
  566. for i := 0; i < num; i++ {
  567. template[i] = "?"
  568. }
  569. return strings.Join(template, ",")
  570. }
  571. // RevSlice 反转切片
  572. func RevSlice(slice []int) []int {
  573. for i, j := 0, len(slice)-1; i < j; i, j = i+1, j-1 {
  574. slice[i], slice[j] = slice[j], slice[i]
  575. }
  576. return slice
  577. }
  578. // GetTimeSubDay 计算两个时间的自然日期差
  579. func GetTimeSubDay(t1, t2 time.Time) int {
  580. var day int
  581. swap := false
  582. if t1.Unix() > t2.Unix() {
  583. t1, t2 = t2, t1
  584. swap = true
  585. }
  586. t1_ := t1.Add(time.Duration(t2.Sub(t1).Milliseconds()%86400000) * time.Millisecond)
  587. day = int(t2.Sub(t1).Hours() / 24)
  588. // 计算在t1+两个时间的余数之后天数是否有变化
  589. if t1_.Day() != t1.Day() {
  590. day += 1
  591. }
  592. if swap {
  593. day = -day
  594. }
  595. return day
  596. }
  597. // GetDaysBetween2Date 计算两个日期之间相差几天
  598. func GetDaysBetween2Date(format, date1Str, date2Str string) (int, error) {
  599. // 将字符串转化为Time格式
  600. date1, err := time.ParseInLocation(format, date1Str, time.Local)
  601. if err != nil {
  602. return 0, err
  603. }
  604. // 将字符串转化为Time格式
  605. date2, err := time.ParseInLocation(format, date2Str, time.Local)
  606. if err != nil {
  607. return 0, err
  608. }
  609. //计算相差天数
  610. return int(date1.Sub(date2).Hours() / 24), nil
  611. }
  612. // MapSorter 对于map 排序
  613. type MapSorter []Item
  614. type Item struct {
  615. Key int
  616. Val float64
  617. }
  618. func NewMapSorter(m map[int]float64) MapSorter {
  619. ms := make(MapSorter, 0, len(m))
  620. for k, v := range m {
  621. ms = append(ms, Item{k, v})
  622. }
  623. return ms
  624. }
  625. func (ms MapSorter) Len() int {
  626. return len(ms)
  627. }
  628. func (ms MapSorter) Less(i, j int) bool {
  629. return ms[i].Val > ms[j].Val // 按值排序
  630. //return ms[i].Key < ms[j].Key // 按键排序
  631. }
  632. func (ms MapSorter) Swap(i, j int) {
  633. ms[i], ms[j] = ms[j], ms[i]
  634. }
  635. // InArrayByInt php中的in_array(判断Int类型的切片中是否存在该int值)
  636. func InArrayByInt(idIntList []int, searchId int) (has bool) {
  637. for _, id := range idIntList {
  638. if id == searchId {
  639. has = true
  640. return
  641. }
  642. }
  643. return
  644. }
  645. // InArrayByStr php中的in_array(判断String类型的切片中是否存在该string值)
  646. func InArrayByStr(idStrList []string, searchId string) (has bool) {
  647. for _, id := range idStrList {
  648. if id == searchId {
  649. has = true
  650. return
  651. }
  652. }
  653. return
  654. }
  655. // GetDateByDateType 通过dateType获取需要的开始/结束日期
  656. func GetDateByDateType(dateType int, tmpStartDate, tmpEndDate string) (startDate, endDate string) {
  657. startDate = tmpStartDate
  658. endDate = tmpEndDate
  659. switch dateType {
  660. case 1:
  661. startDate = "2000-01-01"
  662. endDate = ""
  663. case 2:
  664. startDate = "2010-01-01"
  665. endDate = ""
  666. case 3:
  667. startDate = "2015-01-01"
  668. endDate = ""
  669. case 4:
  670. //startDate = strconv.Itoa(time.Now().Year()) + "-01-01"
  671. startDate = "2021-01-01"
  672. endDate = ""
  673. case 5:
  674. //startDate = startDate + "-01"
  675. //endDate = endDate + "-01"
  676. case 6:
  677. //startDate = startDate + "-01"
  678. endDate = ""
  679. case 7:
  680. startDate = "2018-01-01"
  681. endDate = ""
  682. case 8:
  683. startDate = "2019-01-01"
  684. endDate = ""
  685. case 9:
  686. startDate = "2020-01-01"
  687. endDate = ""
  688. case 11:
  689. startDate = "2022-01-01"
  690. endDate = ""
  691. }
  692. // 兼容日期错误
  693. {
  694. if strings.Count(startDate, "-") == 1 {
  695. startDate = startDate + "-01"
  696. }
  697. if strings.Count(endDate, "-") == 1 {
  698. endDate = endDate + "-01"
  699. }
  700. }
  701. return
  702. }
  703. // 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)
  704. func GetDateByDateType2(dateType int, currDate time.Time) (startDate time.Time) {
  705. switch dateType {
  706. case 1:
  707. startDate = currDate.AddDate(0, -3, 0)
  708. case 2:
  709. startDate = currDate.AddDate(0, -6, 0)
  710. case 3:
  711. startDate = currDate.AddDate(-1, 0, 0)
  712. case 4:
  713. startDate = currDate.AddDate(-2, 0, 0)
  714. case 5:
  715. startDate = currDate.AddDate(-3, 0, 0)
  716. case 6:
  717. startDate = currDate.AddDate(-5, 0, 0)
  718. case 7:
  719. startDate = currDate.AddDate(-10, 0, 0)
  720. }
  721. return
  722. }
  723. // GetCeilNewNum 保留n位有效数字的向上取整
  724. // @params num 实际数据
  725. // @params baseLen 需要保留的有效位数
  726. func GetCeilNewNum(num float64, baseLen int) (newNum float64) {
  727. if num >= 1 {
  728. tmpNum := int(math.Ceil(num)) // 向上取整
  729. str := strconv.Itoa(tmpNum)
  730. lenStr := len(str)
  731. if lenStr > baseLen {
  732. newNumStr := str[0:baseLen]
  733. newNumInt, _ := strconv.Atoi(newNumStr)
  734. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  735. if newNum < num {
  736. newNumInt += 1
  737. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  738. }
  739. } else {
  740. newNum = float64(tmpNum)
  741. }
  742. return
  743. } else if num > 0 {
  744. // 这是小数
  745. str := strconv.FormatFloat(num, 'f', -1, 64)
  746. // 去除小数点和负号
  747. str = removeDecimalPoint(str)
  748. // 计算字符串长度
  749. lenStr := len(str)
  750. if lenStr > baseLen {
  751. newNumStr := str[0:baseLen]
  752. newNumInt, _ := strconv.Atoi(newNumStr)
  753. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  754. if newNum < num {
  755. newNumInt += 1
  756. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  757. }
  758. } else {
  759. newNum = num
  760. }
  761. } else if num > -1 {
  762. // 这是小数
  763. str := strconv.FormatFloat(num, 'f', -1, 64)
  764. // 去除小数点和负号
  765. str = removeDecimalPoint(str)
  766. // 计算字符串长度
  767. lenStr := len(str)
  768. if lenStr > baseLen {
  769. newNumStr := str[0:baseLen]
  770. newNumInt, _ := strconv.Atoi(newNumStr)
  771. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  772. newNum = -newNum
  773. if newNum < num {
  774. newNumInt -= 1
  775. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  776. newNum = -newNum
  777. }
  778. } else {
  779. newNum = num
  780. }
  781. if newNum == -0 {
  782. newNum = 0
  783. }
  784. } else { // 小于等于-1
  785. tmpNumFloat := math.Abs(num)
  786. tmpNum := int(math.Floor(tmpNumFloat)) // 向上取整
  787. str := strconv.Itoa(tmpNum)
  788. lenStr := len(str)
  789. if lenStr > baseLen {
  790. newNumStr := str[0:baseLen]
  791. //fmt.Println("newNumStr:", newNumStr)
  792. newNumInt, _ := strconv.Atoi(newNumStr)
  793. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  794. newNum = -newNum
  795. if newNum < num {
  796. newNumInt -= 1
  797. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  798. newNum = -newNum
  799. }
  800. } else {
  801. newNum = float64(-tmpNum)
  802. }
  803. }
  804. return
  805. }
  806. // GetFloorNewNum 保留n位有效数字的向下取整
  807. // @params num 实际数据
  808. // @params baseLen 需要保留的有效位数
  809. func GetFloorNewNum(num float64, baseLen int) (newNum float64) {
  810. if num >= 1 {
  811. tmpNum := int(math.Floor(num)) // 向上取整
  812. str := strconv.Itoa(tmpNum)
  813. lenStr := len(str)
  814. if lenStr > baseLen {
  815. newNumStr := str[0:baseLen]
  816. newNumInt, _ := strconv.Atoi(newNumStr)
  817. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  818. if newNum < num {
  819. newNumInt -= 1
  820. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  821. }
  822. } else {
  823. newNum = float64(tmpNum)
  824. }
  825. return
  826. } else if num > 0 {
  827. // 这是小数
  828. str := strconv.FormatFloat(num, 'f', -1, 64)
  829. // 去除小数点和负号
  830. str = removeDecimalPoint(str)
  831. // 计算字符串长度
  832. lenStr := len(str)
  833. if lenStr > baseLen {
  834. newNumStr := str[0:baseLen]
  835. newNumInt, _ := strconv.Atoi(newNumStr)
  836. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  837. if newNum > num {
  838. newNumInt -= 1
  839. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  840. }
  841. } else {
  842. newNum = num
  843. }
  844. } else if num > -1 {
  845. // 这是小数
  846. str := strconv.FormatFloat(num, 'f', -1, 64)
  847. // 去除小数点和负号
  848. str = removeDecimalPoint(str)
  849. // 计算字符串长度
  850. lenStr := len(str)
  851. if lenStr > baseLen {
  852. newNumStr := str[0:baseLen]
  853. newNumInt, _ := strconv.Atoi(newNumStr)
  854. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  855. newNum = -newNum
  856. if newNum > num {
  857. newNumInt += 1
  858. newNum, _ = decimal.NewFromInt(int64(newNumInt)).Div(decimal.NewFromFloat(math.Pow(10, float64(baseLen)))).Float64()
  859. newNum = -newNum
  860. }
  861. } else {
  862. newNum = num
  863. }
  864. if newNum == -0 {
  865. newNum = 0
  866. }
  867. } else { // 小于等于-1
  868. tmpNumFloat := math.Abs(num)
  869. tmpNum := int(math.Ceil(tmpNumFloat)) // 向上取整
  870. str := strconv.Itoa(tmpNum)
  871. lenStr := len(str)
  872. if lenStr > baseLen {
  873. newNumStr := str[0:baseLen]
  874. //fmt.Println("newNumStr:", newNumStr)
  875. newNumInt, _ := strconv.Atoi(newNumStr)
  876. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  877. newNum = -newNum
  878. if newNum > num {
  879. newNumInt += 1
  880. newNum = float64(newNumInt) * math.Pow(10, float64(lenStr-baseLen))
  881. newNum = -newNum
  882. }
  883. } else {
  884. newNum = float64(-tmpNum)
  885. }
  886. }
  887. return
  888. }
  889. // 去除小数点和负号
  890. func removeDecimalPoint(str string) string {
  891. // 去除小数点
  892. str = str[strings.Index(str, ".")+1:]
  893. return str
  894. }
  895. func GetLocalIP() (ip string, err error) {
  896. addrs, err := net.InterfaceAddrs()
  897. if err != nil {
  898. return
  899. }
  900. for _, addr := range addrs {
  901. ipAddr, ok := addr.(*net.IPNet)
  902. if !ok {
  903. continue
  904. }
  905. if ipAddr.IP.IsLoopback() {
  906. continue
  907. }
  908. if !ipAddr.IP.IsGlobalUnicast() {
  909. continue
  910. }
  911. return ipAddr.IP.String(), nil
  912. }
  913. return
  914. }
  915. func GetDateByDateTypeV2(dateType int, tmpStartDate, tmpEndDate string, startYear, yearMax int) (startDate, endDate string) {
  916. startDate = tmpStartDate
  917. endDate = tmpEndDate
  918. switch dateType {
  919. case 1:
  920. startDate = "2000-01-01"
  921. endDate = ""
  922. case 2:
  923. startDate = "2010-01-01"
  924. endDate = ""
  925. case 3:
  926. startDate = "2015-01-01"
  927. endDate = ""
  928. case 4:
  929. //startDate = strconv.Itoa(time.Now().Year()) + "-01-01"
  930. startDate = "2021-01-01"
  931. endDate = ""
  932. case 5:
  933. //startDate = startDate + "-01"
  934. //endDate = endDate + "-01"
  935. case 6:
  936. //startDate = startDate + "-01"
  937. endDate = ""
  938. case 7:
  939. startDate = "2018-01-01"
  940. endDate = ""
  941. case 8:
  942. startDate = "2019-01-01"
  943. endDate = ""
  944. case 9:
  945. startDate = "2020-01-01"
  946. endDate = ""
  947. case 11:
  948. startDate = "2022-01-01"
  949. endDate = ""
  950. case DateTypeNYears:
  951. if startYear == 0 { //默认取最近5年
  952. startYear = 5
  953. }
  954. if yearMax == 0 {
  955. return
  956. }
  957. startYear = startYear - 1
  958. baseDate, _ := time.Parse(FormatDate, fmt.Sprintf("%d-01-01", yearMax))
  959. startDate = baseDate.AddDate(-startYear, 0, 0).Format(FormatDate)
  960. endDate = ""
  961. }
  962. // 兼容日期错误
  963. {
  964. if strings.Count(startDate, "-") == 1 {
  965. startDate = startDate + "-01"
  966. }
  967. if strings.Count(endDate, "-") == 1 {
  968. endDate = endDate + "-01"
  969. }
  970. }
  971. return
  972. }
  973. func GetColorMap() map[int]string {
  974. colorMap := make(map[int]string)
  975. colors := []string{"#0000FF", "#FF0000", "#999999", "#000000", "#7CB5EC", "#90ED7D", "#F7A35C", "#8085E9",
  976. "#F15C80", "#E4D354", "#2B908F", "#F45B5B", "#91E8E1", "#FDA8C7", "#8A4294",
  977. "#578B5A", "#0033FF", "#849EC1", "#FFDF0C", "#005496", "#00F0FF", "#4D535B",
  978. "#4F4C34", "#804141", "#86BABD", "#8AA3FF", "#960000", "#A173DB", "#A39340",
  979. "#CE814A", "#D1D2E6", "#EAB7B7", "#FF2E7A", "#FF4AF8", "#FF785B", "#FF9696", "#FFA800", "#FFBC97", "#FFDFDF"}
  980. for k, v := range colors {
  981. colorMap[k] = v
  982. }
  983. return colorMap
  984. }
  985. // GetDaysDiff1900 计算日期距离1900-01-01的天数
  986. func GetDaysDiff1900(date string) int {
  987. // 将字符串转换为时间类型
  988. //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,
  989. //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。
  990. tStart, err := time.ParseInLocation(FormatDate, "1899-12-30", time.Local)
  991. if err != nil {
  992. return 0
  993. }
  994. tEnd, err := time.ParseInLocation(FormatDate, date, time.Local)
  995. if err != nil {
  996. return 0
  997. }
  998. // 计算两个日期之间的天数差值
  999. duration := tEnd.Sub(tStart).Hours() / 24
  1000. days := int(duration)
  1001. return days
  1002. }
  1003. func ReplaceFormulaByTagMap(valTagMap map[string]int, formulaStr string) string {
  1004. funMap := getFormulaMap()
  1005. for k, v := range funMap {
  1006. formulaStr = strings.Replace(formulaStr, k, v, -1)
  1007. }
  1008. replaceCount := 0
  1009. for tag, val := range valTagMap {
  1010. dvStr := fmt.Sprintf("%v", val)
  1011. formulaStr = strings.Replace(formulaStr, tag, dvStr, -1)
  1012. replaceCount++
  1013. }
  1014. for k, v := range funMap {
  1015. formulaStr = strings.Replace(formulaStr, v, k, -1)
  1016. }
  1017. return formulaStr
  1018. }
  1019. // GetFrequencyEn 获取频度的英文版
  1020. func GetFrequencyEn(frequency string) (frequencyEn string) {
  1021. switch frequency {
  1022. case "日度":
  1023. frequencyEn = "day"
  1024. return
  1025. case "周度":
  1026. frequencyEn = "week"
  1027. return
  1028. case "旬度":
  1029. frequencyEn = "ten days"
  1030. return
  1031. case "月度":
  1032. frequencyEn = "month"
  1033. return
  1034. case "季度":
  1035. frequencyEn = "quarter"
  1036. return
  1037. case "年度":
  1038. frequencyEn = "year"
  1039. return
  1040. }
  1041. return
  1042. }
  1043. // DateConvMysqlConvMongo
  1044. // @Description: 将mysql中的日期比较符转换成mongo中的日期比较符
  1045. // @author: Roc
  1046. // @datetime 2024-05-08 11:03:26
  1047. // @param dateCon string
  1048. func DateConvMysqlConvMongo(dateCon string) string {
  1049. cond := ""
  1050. switch dateCon {
  1051. case "=":
  1052. cond = "$eq"
  1053. case "<":
  1054. cond = "$lt"
  1055. case "<=":
  1056. cond = "$lte"
  1057. case ">":
  1058. cond = "$gt"
  1059. case ">=":
  1060. cond = "$gte"
  1061. }
  1062. return cond
  1063. }
  1064. func DesBase64Decrypt(crypted []byte, desKey string) []byte {
  1065. result, _ := base64.StdEncoding.DecodeString(string(crypted))
  1066. remain := len(result) % 8
  1067. if remain > 0 {
  1068. mod := 8 - remain
  1069. for i := 0; i < mod; i++ {
  1070. result = append(result, 0)
  1071. }
  1072. }
  1073. origData, err := TripleDesDecrypt(result, []byte(desKey))
  1074. if err != nil {
  1075. panic(any(err))
  1076. }
  1077. return origData
  1078. }
  1079. // // 3DES解密
  1080. func TripleDesDecrypt(crypted, key []byte) ([]byte, error) {
  1081. block, err := des.NewTripleDESCipher(key)
  1082. if err != nil {
  1083. return nil, err
  1084. }
  1085. blockMode := cipher.NewCBCDecrypter(block, key[:8])
  1086. origData := make([]byte, len(crypted))
  1087. // origData := crypted
  1088. blockMode.CryptBlocks(origData, crypted)
  1089. origData = PKCS5UnPadding(origData)
  1090. // origData = ZeroUnPadding(origData)
  1091. return origData, nil
  1092. }
  1093. func PKCS5UnPadding(origData []byte) []byte {
  1094. length := len(origData)
  1095. // 去掉最后一个字节 unpadding 次
  1096. unpadding := int(origData[length-1])
  1097. return origData[:(length - unpadding)]
  1098. }
  1099. func TimeTransferString(format string, t time.Time) string {
  1100. str := t.Format(format)
  1101. if t.IsZero() {
  1102. return ""
  1103. }
  1104. return str
  1105. }