创建聊天组

business/jxutils/jxutils.go

@@ -171,6 +171,10 @@ func GetPossibleVendorIDFromVendorOrderID(vendorOrderID string) (vendorID int) {
 	return vendorID
 }
 
+func GenRand6() (num int) {
+	return utils.Str2Int(fmt.Sprintf("%06v", rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(1000000)))
+}
+
 func GenOrderNo() (orderNo int64) {
 	var prefix = utils.Str2Int64(time.Now().Format("20060102"))
 	const randPartNum = 1000
@@ -216,6 +220,20 @@ func GenBillID() (billID int64) {
 	return billID
 }
 
+func GenGroupID() (groupID int64) {
+	const randPartNum = 100
+	groupID = time.Now().Unix() - orderNoBeginTimestamp
+	groupID = groupID * randPartNum
+	md5Bytes := md5.Sum([]byte(utils.GetUUID()))
+	randPart := 0
+	for k, v := range md5Bytes {
+		randPart += int(v) << ((k % 3) * 8)
+	}
+	groupID += int64(randPart % randPartNum)
+	groupID += int64(math.Pow10(int(math.Log10(float64(groupID))) + 1))
+	return groupID
+}
+
 func GenAfsOrderNo() (orderNo int64) {
 	const prefix = 80
 	const randPartNum = 100