1

service/vcode.go

@@ -37,7 +37,7 @@ func GetVcode(userId, mocId int) string {
 }
 
 func createCode() string {
-	code := utils.GetRandStr()
+	code := utils.GetRandStr2()
 
 	cid := 0
 

utils/common.go

@@ -135,6 +135,17 @@ func GetPointsOrderNo(num int) string {
 	return "P" + timeStr + sup(orderNo, 9)
 }
 
+func GetRandStr2() string {
+	charset := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+	seededRand := rand.New(rand.NewSource(time.Now().UnixNano()))
+
+	b := make([]byte, 6)
+	for i := range b {
+		b[i] = charset[seededRand.Intn(len(charset))]
+	}
+	return string(b)
+}
+
 func GetRandStr() string {
 	result := make([]byte, 3)
 	rand.Read(result)