/
githubmirror
/
beego
Обзор
Документация
Войти
/
githubmirror
/
beego
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
develop
core/utils/rand.go
44 строки
1 KB
loyalsoldier
Fix lint and format code in core dir
06 июн 2021, 16:00
Не верифицирован
06 июн 2021, 16:00
41790b8
Код
Авторство
О чём код?
// Copyright 2014 beego Author. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package utils import ( "crypto/rand" r "math/rand" "time" ) var alphaNum = []byte(`0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`) // RandomCreateBytes generate random []byte by specify chars. func RandomCreateBytes(n int, alphabets ...byte) []byte { if len(alphabets) == 0 { alphabets = alphaNum } bytes := make([]byte, n) var randBy bool if num, err := rand.Read(bytes); num != n || err != nil { r.Seed(time.Now().UnixNano()) randBy = true } for i, b := range bytes { if randBy { bytes[i] = alphabets[r.Intn(len(alphabets))] } else { bytes[i] = alphabets[b%byte(len(alphabets))] } } return bytes }