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common/utils.go 1.5 KB
29a163be   zhangqijia   fix: CreateReq ui...
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  package common
  
  import (
  	"crypto/md5"
  	"encoding/hex"
4255fd8e   zhangqijia   feat: 更新字段
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  	"google.golang.org/protobuf/reflect/protoreflect"
29a163be   zhangqijia   fix: CreateReq ui...
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  	"math/rand"
  	"strings"
  	"time"
  )
  
  func Md5V(str string) string  {
  	h := md5.New()
  	h.Write([]byte(str))
  	return hex.EncodeToString(h.Sum(nil))
  }
  
  func Timex() int64 {
  	return time.Now().Unix()
  }
  
  var defaultLetters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
  func RandomString(n int, allowedChars ...[]rune) string {
  	var letters []rune
  
  	if len(allowedChars) == 0 {
  		letters = defaultLetters
  	} else {
  		letters = allowedChars[0]
  	}
  
  	b := make([]rune, n)
  	for i := range b {
  		b[i] = letters[rand.Intn(len(letters))]
  	}
  
  	return string(b)
  }
  
  
  func RandomName(name [][]string) string {
  	idx1 := rand.Intn(len(name[0]))
  	idx2 := rand.Intn(len(name[1]))
  
  	var builder strings.Builder
  	builder.WriteString(name[0][idx1])
  	builder.WriteString(name[1][idx2])
  	return builder.String()
  }
  
4255fd8e   zhangqijia   feat: 更新字段
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  //英文字符串,第一个字符大写
  func FirstCharToUpper(key string) string {
  	first := strings.ToUpper(key[0:1])
  	str := strings.Builder{}
  	str.WriteString(first)
  	str.WriteString(key[1:])
  	return str.String()
  }
  
  
  func ParseFields(message protoreflect.Message ,properties map[string]interface{}) []int32 {
  	ids := make([]int32,0)
  	for k, v := range properties {
  		name := protoreflect.Name(strings.ToLower(k))
  		field := message.Descriptor().Fields().ByName(name)
  		if field == nil {
  			continue
  		}
  
  		ids = append(ids, int32(field.Index()))
  		message.Set(field, protoreflect.ValueOf(v))
  	}
  	return ids
  }