testprint

utils/utils.go

@@ -31,7 +31,8 @@ func init() {
 }
 
 var (
-	letterBytes = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	letterBytes    = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	letterBytesNum = "0123456789"
 )
 
 func RandStringBytes(n int) string {
@@ -42,6 +43,14 @@ func RandStringBytes(n int) string {
 	return string(b)
 }
 
+func RandStringBytesWithNumber(n int) string {
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytesNum[rand.Intn(len(letterBytesNum))]
+	}
+	return string(b)
+}
+
 func Captcha(c *gin.Context, length ...int) {
 	l := captcha.DefaultLen
 	w, h := 107, 36