package tools

import (
	"crypto/md5"
	"encoding/hex"
	"github.com/satori/go.uuid"
)

//生成uuid
func Uuid() string {
	u2 := uuid.NewV4()
	return u2.String()
}

//生成uuid,并且md5一下
func Uuid2() string {
	m := md5.New()
	m.Write([]byte(Uuid()))
	res := hex.EncodeToString(m.Sum(nil))
	return res
}