增加蛇形转驼峰方法

util/string.go

@@ -11,6 +11,7 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"math/rand"
+	"strings"
 	"time"
 )
 
@@ -46,3 +47,28 @@ func Md5(str string) string {
 	_, _ = h.Write([]byte(str))
 	return hex.EncodeToString(h.Sum(nil))
 }
+
+// SnakeCaseToCamel 蛇形字符串转换为驼峰
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:58 下午 2021/10/25
+func SnakeCaseToCamel(str string) string {
+	builder := strings.Builder{}
+	index := 0
+	if str[0] >= 'a' && str[0] <= 'z' {
+		builder.WriteByte(str[0] - ('a' - 'A'))
+		index = 1
+	}
+	for i := index; i < len(str); i++ {
+		if str[i] == '_' && i+1 < len(str) {
+			if str[i+1] >= 'a' && str[i+1] <= 'z' {
+				builder.WriteByte(str[i+1] - ('a' - 'A'))
+				i++
+				continue
+			}
+		}
+		builder.WriteByte(str[i])
+	}
+	return builder.String()
+}