service/bizcommon/util/util.go

package util

import (
	"crypto/md5"
	"encoding/json"
	"fmt"
	"io"
	"reflect"
	"service/library/logger"
	"strings"
	"time"

	"github.com/qiniu/qmgo"
)

func ToJson(v any) string {
	str, err := json.Marshal(v)
	if err != nil {
		logger.Info("%v marsha failed, err: %v", v, err)
	}
	return string(str)
}

func StringToMd5(s string) string {
	m := md5.New()
	_, _ = io.WriteString(m, s)
	return fmt.Sprintf("%x", m.Sum(nil))
}

// 将实体类结构体指针转为bson.M，采用反射
func EntityToM(p any) qmgo.M {
	set := qmgo.M{}
	pType := reflect.TypeOf(p).Elem()
	pVal := reflect.ValueOf(p).Elem()
	for i := 0; i < pType.NumField(); i++ {
		name := pType.Field(i).Tag.Get("bson")
		field := pVal.Field(i)
		if name != "_id" && !field.IsNil() {
			value := field.Elem().Interface()
			set[name] = value
		}
	}
	return set
}

func StringsContains(elems []string, v string) bool {
	for _, s := range elems {
		if s == v {
			return true
		}
	}
	return false
}

// 下划线转大写驼峰
func UderscoreToUpperCamelCase(s string) string {
	s = strings.Replace(s, "_", " ", -1)
	s = strings.Title(s)
	return strings.Replace(s, " ", "", -1)
}

// 数组转sql数组 []int{1, 2, 3) --> 1,2,3
func Convert2SqlArr(a ...any) string {
	return strings.Replace(strings.Trim(fmt.Sprint(a), "[]"), " ", ",", -1)
}

// 获取整点时间戳
func GetHourStartTimeStamp(t time.Time) int64 {
	loc, _ := time.LoadLocation("Asia/Shanghai")
	timeStr := fmt.Sprintf("%02d-%02d-%02d %02d:00:00", t.Year(), t.Month(), t.Day(), t.Hour())
	duetimecst, err := time.ParseInLocation("2006-1-2 15:04:05", timeStr, loc)
	if err != nil {
		logger.Error("parse error : %v", err)
	}
	return duetimecst.Unix()
}