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- package utils
- import (
- "crypto/md5"
- "encoding/json"
- "fmt"
- "math/rand"
- "reflect"
- "runtime/debug"
- )
- func Md5(str string) string {
- t := md5.Sum(([]byte)(str))
- return fmt.Sprintf("%x", t)
- }
- func CopyStructByJson(src, dst interface{}) {
- str, _ := json.Marshal(src)
- err := json.Unmarshal(str, dst)
- if err != nil {
- return
- }
- }
- // CopyStructToMap 结构体转map
- func CopyStructToMap(src interface{}) map[string]interface{} {
- var res = map[string]interface{}{}
- str, _ := json.Marshal(src)
- err := json.Unmarshal(str, &res)
- if err != nil {
- return nil
- }
- return res
- }
- // SafeGo is a common function to recover panic for goroutines
- func SafeGo(f interface{}, params ...interface{}) {
- go func() {
- defer func() {
- if r := recover(); r != nil {
- fmt.Printf("Recovered in SafeGo: %v\n", r)
- debug.PrintStack()
- }
- }()
- // Convert f to a reflect.Value
- funcValue := reflect.ValueOf(f)
- // Check if the f is a function
- if funcValue.Kind() != reflect.Func {
- fmt.Println("SafeGo: value is not a function")
- return
- }
- // Convert params to reflect.Value
- paramsValue := make([]reflect.Value, len(params))
- for i, param := range params {
- paramsValue[i] = reflect.ValueOf(param)
- }
- // Call the function f with params
- funcValue.Call(paramsValue)
- }()
- }
- // RandomString 生成随机字符串
- func RandomString(n int) string {
- const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
- length := len(letterBytes)
- b := make([]byte, n)
- for i := range b {
- b[i] = letterBytes[rand.Intn(length)]
- }
- return string(b)
- }
- // Keys 泛型函数,K 是键类型,V 是值类型
- func Keys[K comparable, V any](m map[K]V) []K {
- keys := make([]K, 0, len(m))
- for k := range m {
- keys = append(keys, k)
- }
- return keys
- }
- // Values 泛型函数,K 是键类型,V 是值类型
- func Values[K comparable, V any](m map[K]V) []V {
- values := make([]V, 0, len(m))
- for _, v := range m {
- values = append(values, v)
- }
- return values
- }
- func InArray(k string, arr []string) bool {
- for _, v := range arr {
- if k == v {
- return true
- }
- }
- return false
- }
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