update

utils/str.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	"unicode"
+)
+
+// CamelString 将某字符串转成驼峰写法
+func CamelString(s string) string {
+	data := make([]byte, 0, len(s))
+	j := false
+	k := false
+	num := len(s) - 1
+	for i := 0; i <= num; i++ {
+		d := s[i]
+		if k == false && d >= 'A' && d <= 'Z' {
+			k = true
+		}
+		if d >= 'a' && d <= 'z' && (j || k == false) {
+			d = d - 32
+			j = false
+			k = true
+		}
+		if k && d == '_' && num > i && s[i+1] >= 'a' && s[i+1] <= 'z' {
+			j = true
+			continue
+		}
+		data = append(data, d)
+	}
+	return string(data[:])
+}
+
+// UnderLine 将某字符串转成下划线写法
+func UnderLine(s string) string {
+	var output []rune
+	for i, r := range s {
+		if i == 0 {
+			output = append(output, unicode.ToLower(r))
+			continue
+		}
+		if unicode.IsUpper(r) {
+			output = append(output, '_')
+		}
+		output = append(output, unicode.ToLower(r))
+	}
+	return string(output)
+}