66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
package stringcase
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import (
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"strings"
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"unicode"
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)
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func UpperCamelCase(input string) string {
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return camelCase(input, true)
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}
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func LowerCamelCase(input string) string {
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return camelCase(input, false)
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}
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// ToPascalCase 把字符转换为 帕斯卡命名/大驼峰命名法（CamelCase）
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func ToPascalCase(input string) string {
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return camelCase(input, true)
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}
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func camelCase(input string, upper bool) string {
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input = strings.TrimSpace(input)
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if input == "" {
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return input
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}
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// 分割字符串
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words := Split(input)
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if len(words) == 0 {
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return ""
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}
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filteredWords := make([]string, 0, len(words))
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for _, word := range words {
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if strings.TrimSpace(word) != "" {
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filteredWords = append(filteredWords, word)
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}
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}
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words = filteredWords
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if len(words) == 0 {
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return ""
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}
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for i, word := range words {
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if word == "" {
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continue
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}
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runes := []rune(word)
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if len(runes) > 0 {
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if i == 0 && !upper {
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runes[0] = unicode.ToLower(runes[0]) // LowerCamelCase首单词首字母小写
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} else {
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runes[0] = unicode.ToUpper(runes[0]) // UpperCamelCase或后续单词首字母大写
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}
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for j := 1; j < len(runes); j++ {
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runes[j] = unicode.ToLower(runes[j]) // 其余字母统一小写
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}
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words[i] = string(runes)
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}
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}
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// 合并结果
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return strings.Join(words, "")
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}
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