mirror of
https://gitee.com/johng/gf
synced 2026-07-08 14:39:50 +08:00
40 lines
935 B
Go
40 lines
935 B
Go
// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
|
|
//
|
|
// This Source Code Form is subject to the terms of the MIT License.
|
|
// If a copy of the MIT was not distributed with this file,
|
|
// You can obtain one at https://gitee.com/johng/gf.
|
|
|
|
package gutil
|
|
|
|
// 便利数组查找字符串索引位置，如果不存在则返回-1
|
|
func StringSearch (a []string, s string) int {
|
|
for i, v := range a {
|
|
if s == v {
|
|
return i
|
|
}
|
|
}
|
|
return -1
|
|
}
|
|
|
|
// 判断字符串是否在数组中
|
|
func StringInArray (a []string, s string) bool {
|
|
return StringSearch(a, s) != -1
|
|
}
|
|
|
|
// 判断给定字符是否小写
|
|
func IsLetterLower(b byte) bool {
|
|
if b >= byte('a') && b <= byte('z') {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// 判断给定字符是否大写
|
|
func IsLetterUpper(b byte) bool {
|
|
if b >= byte('A') && b <= byte('Z') {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|