105 lines
1.8 KiB
Go
105 lines
1.8 KiB
Go
package util
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import (
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"strconv"
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"strings"
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"unicode"
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)
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//判断是否是数字字符串
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func IsDigit(str string) bool {
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for _, x := range []rune(str) {
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if !unicode.IsDigit(x) {
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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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func Atoi(i string) int {
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if i == "" {
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return 0
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}
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j, err := strconv.Atoi(i)
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if err != nil {
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return 0
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} else {
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return j
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}
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}
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func StringToInt(s interface{}) int {
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switch i := s.(type) {
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case string:
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return Atoi(i)
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case float32:
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return int(i)
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case float64:
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return int(i)
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case int:
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return i
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case uint:
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return int(i)
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}
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return 0
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}
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/**
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* 驼峰转蛇形 snake string
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* @description XxYy to xx_yy , XxYY to xx_y_y
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* @date 2020/7/30
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* @param s 需要转换的字符串
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* @return string
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**/
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func SnakeString(s string) string {
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data := make([]byte, 0, len(s)*2)
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j := false
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num := len(s)
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for i := 0; i < num; i++ {
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d := s[i]
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// or通过ASCII码进行大小写的转化
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// 65-90（A-Z），97-122（a-z）
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//判断如果字母为大写的A-Z就在前面拼接一个_
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if i > 0 && d >= 'A' && d <= 'Z' && j {
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data = append(data, '_')
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}
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if d != '_' {
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j = true
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}
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data = append(data, d)
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}
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//ToLower把大写字母统一转小写
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return strings.ToLower(string(data[:]))
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}
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/**
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* 蛇形转驼峰
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* @description xx_yy to XxYx xx_y_y to XxYY
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* @date 2020/7/30
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* @param s要转换的字符串
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* @return string
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**/
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func CamelString(s string) string {
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data := make([]byte, 0, len(s))
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j := false
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k := false
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num := len(s) - 1
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for i := 0; i <= num; i++ {
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d := s[i]
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if k == false && d >= 'A' && d <= 'Z' {
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k = true
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}
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if d >= 'a' && d <= 'z' && (j || k == false) {
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d = d - 32
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j = false
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k = true
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}
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if k && d == '_' && num > i && s[i+1] >= 'a' && s[i+1] <= 'z' {
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j = true
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continue
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}
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data = append(data, d)
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}
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return string(data[:])
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}
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