mirror of
https://gitee.com/johng/gf
synced 2026-06-30 19:17:30 +08:00
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://gitee.com/johng/gf.
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// 其他工具包
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package gutil
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// 便利数组查找字符串索引位置，如果不存在则返回-1，使用完整遍历查找
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func StringSearch (a []string, s string) int {
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for i, v := range a {
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if s == v {
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return i
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}
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}
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return -1
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}
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// 判断字符串是否在数组中
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func StringInArray (a []string, s string) bool {
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return StringSearch(a, s) != -1
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}
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// 判断给定字符是否小写
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func IsLetterLower(b byte) bool {
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if b >= byte('a') && b <= byte('z') {
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return true
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}
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return false
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}
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// 判断给定字符是否大写
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func IsLetterUpper(b byte) bool {
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if b >= byte('A') && b <= byte('Z') {
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return true
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}
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return false
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}
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// 判断锁给字符串是否为数字
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func IsNumeric(s string) bool {
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for i := 0; i < len(s); i++ {
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if s[i] < byte('0') && s[i] > byte('9') {
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return false
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}
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}
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return true
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}
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