149 lines
3.5 KiB
Go
149 lines
3.5 KiB
Go
// Package util...
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//
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// Description : 字符串相关的工具
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2021-03-09 6:00 下午
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package util
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import (
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"crypto/md5"
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"encoding/hex"
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"math/rand"
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"strings"
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"time"
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"github.com/axgle/mahonia"
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)
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// stringOperate ...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 15:09 2022/5/14
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type stringOperate struct {
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}
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// GenRandom 获取随机长度的字符串
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 6:01 下午 2021/3/9
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func (s *stringOperate) GenRandom(source string, length uint) string {
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if length == 0 {
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return ""
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}
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if len(source) == 0 {
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//字符串为空，默认字符源为如下(去除易混淆的i/l):
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source = "0123456789abcdefghjkmnopqrstuvwxyzABCDEFGHJKMNOPQRSTUVWXYZ"
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}
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strByte := []byte(source)
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var genStrByte = make([]byte, 0)
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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for i := 0; i < int(length); i++ {
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genStrByte = append(genStrByte, strByte[r.Intn(len(strByte))])
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}
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return string(genStrByte)
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}
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// Md5 对字符串进行md5加密
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 6:01 下午 2021/3/9
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func (s *stringOperate) Md5(str string) string {
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h := md5.New()
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_, _ = h.Write([]byte(str))
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return hex.EncodeToString(h.Sum(nil))
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}
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// GenRandomMd5 生成随机md5
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 20:11 2022/7/12
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func (s *stringOperate) GenRandomMd5() string {
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return s.Md5(s.GenRandom("", 16))
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}
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// SnakeCaseToCamel 蛇形字符串转换为驼峰
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 4:58 下午 2021/10/25
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func (s *stringOperate) SnakeCaseToCamel(str string) string {
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if len(str) == 0 {
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return ""
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}
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builder := strings.Builder{}
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index := 0
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if str[0] >= 'a' && str[0] <= 'z' {
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builder.WriteByte(str[0] - ('a' - 'A'))
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index = 1
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}
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for i := index; i < len(str); i++ {
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if str[i] == '_' && i+1 < len(str) {
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if str[i+1] >= 'a' && str[i+1] <= 'z' {
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builder.WriteByte(str[i+1] - ('a' - 'A'))
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i++
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continue
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}
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}
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// 将ID转为大写
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if str[i] == 'd' && i-1 >= 0 && (str[i-1] == 'i' || str[i-1] == 'I') && (i+1 == len(str) || i+1 < len(str) && str[i+1] == '_') {
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builder.WriteByte('d' - ('a' - 'A'))
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continue
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}
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builder.WriteByte(str[i])
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}
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return builder.String()
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}
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// Convert 字符串编码转换
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 14:38 2022/7/9
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func (s *stringOperate) Convert(str string, sourceCode string, targetCode string) string {
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sourceCoder := mahonia.NewDecoder(sourceCode)
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sourceResult := sourceCoder.ConvertString(str)
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targetCoder := mahonia.NewDecoder(targetCode)
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_, cdata, _ := targetCoder.Translate([]byte(sourceResult), true)
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return string(cdata)
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}
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// RemoveDuplicates 对列表数据去重
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 21:12 2022/7/23
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func (s *stringOperate) RemoveDuplicates(sourceList []string) []string {
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result := make([]string, 0)
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hasDeal := make(map[string]bool)
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if len(sourceList) == 0 {
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return result
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}
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for _, val := range sourceList {
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if _, exist := hasDeal[val]; exist {
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continue
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}
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result = append(result, val)
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hasDeal[val] = true
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}
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return result
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}
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// Map2Query map参数转换为url query
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 20:51 2022/10/10
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func (s *stringOperate) Map2Query(data map[string]string) string {
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list := make([]string, 0)
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for k, v := range data {
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list = append(list, k+"="+v)
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}
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return strings.Join(list, "&")
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}
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