116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
package util
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import (
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"crypto/md5"
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"encoding/json"
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"fmt"
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"io"
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"math/rand"
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"reflect"
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"service/library/logger"
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"strings"
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"time"
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"unsafe"
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"github.com/qiniu/qmgo"
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)
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func ToJson(v any) string {
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str, err := json.Marshal(v)
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if err != nil {
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logger.Info("%v marsha failed, err: %v", v, err)
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}
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return string(str)
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}
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func StringToMd5(s string) string {
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m := md5.New()
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_, _ = io.WriteString(m, s)
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return fmt.Sprintf("%x", m.Sum(nil))
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}
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// 将实体类结构体指针转为bson.M，采用反射
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func EntityToM(p any) qmgo.M {
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set := qmgo.M{}
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pType := reflect.TypeOf(p).Elem()
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pVal := reflect.ValueOf(p).Elem()
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for i := 0; i < pType.NumField(); i++ {
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name := pType.Field(i).Tag.Get("bson")
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if name != "" {
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field := pVal.Field(i)
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if name != "_id" && !field.IsNil() {
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value := field.Elem().Interface()
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set[name] = value
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}
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}
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}
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return set
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}
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func StringsContains(elems []string, v string) bool {
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for _, s := range elems {
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if s == v {
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return true
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}
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}
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return false
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}
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// 下划线转大写驼峰
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func UderscoreToUpperCamelCase(s string) string {
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s = strings.Replace(s, "_", " ", -1)
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s = strings.Title(s)
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return strings.Replace(s, " ", "", -1)
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}
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// 数组转sql数组 []int{1, 2, 3) --> 1,2,3
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func Convert2SqlArr(a ...any) string {
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return strings.Replace(strings.Trim(fmt.Sprint(a), "[]"), " ", ",", -1)
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}
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// 获取整点时间戳
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func GetHourStartTimeStamp(t time.Time) int64 {
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loc, _ := time.LoadLocation("Asia/Shanghai")
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timeStr := fmt.Sprintf("%02d-%02d-%02d %02d:00:00", t.Year(), t.Month(), t.Day(), t.Hour())
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duetimecst, err := time.ParseInLocation("2006-1-2 15:04:05", timeStr, loc)
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if err != nil {
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logger.Error("parse error : %v", err)
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}
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return duetimecst.Unix()
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}
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// 获取今天0点
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func GetTodayZeroTime() time.Time {
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currentTime := time.Now()
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zeroTime := time.Date(currentTime.Year(), currentTime.Month(), currentTime.Day(), 0, 0, 0, 0, currentTime.Location())
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return zeroTime
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}
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// 随机生成字符串
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func RandomString(l int) string {
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str := "0123456789AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"
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bytes := []byte(str)
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var result []byte = make([]byte, 0, l)
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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for i := 0; i < l; i++ {
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result = append(result, bytes[r.Intn(len(bytes))])
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}
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return BytesToString(result)
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}
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// BytesToString 0 拷贝转换 slice byte 为 string
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func BytesToString(b []byte) (s string) {
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_bptr := (*reflect.SliceHeader)(unsafe.Pointer(&b))
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_sptr := (*reflect.StringHeader)(unsafe.Pointer(&s))
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_sptr.Data = _bptr.Data
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_sptr.Len = _bptr.Len
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return s
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}
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func UnescapeJsonStr(s string) string {
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s = strings.ReplaceAll(s, "\\u003c", "<")
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s = strings.ReplaceAll(s, "\\u003e", ">")
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s = strings.ReplaceAll(s, "\\u0026", "&")
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return s
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}
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