http/internal/rand.go

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2021-08-26 18:50:14 +08:00
/**
* @Author: fuxiao
* @Email: 576101059@qq.com
* @Date: 2021/8/26 4:51 下午
* @Desc: TODO
*/
package internal
import (
"math/rand"
"time"
)
var seedStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
// RandStr generate a string of specified length.
func RandStr(length int) (lastStr string) {
rand.Seed(time.Now().UnixNano())
pos, seedLen := 0, len(seedStr)
for i := 0; i < length; i++ {
pos = rand.Intn(seedLen)
lastStr += seedStr[pos : pos+1]
}
return lastStr
}