[DEV] add error and test and example

error.go

@@ -0,0 +1,17 @@
+package model
+
+import "strings"
+
+func IsDuplicateError(err error) bool {
+	if err == nil {
+		return false
+	}
+
+	var errstr = strings.ToLower(err.Error())
+	if strings.HasPrefix(errstr, "error 1062 (23000): duplicate entry") {
+		return true
+	} else if strings.Contains(errstr, "error") && strings.Contains(errstr, "duplicate entry") {
+		return true
+	}
+	return false
+}

example/model/dao/dao.go

@@ -0,0 +1 @@
+package dao

example/model/model.go

@@ -0,0 +1,22 @@
+package model
+
+import (
+	"qoobing.ai/payserver/config"
+	"qoobing.com/gomod/log"
+	"qoobing.com/gomod/model"
+)
+
+var (
+	Db          = model.Db
+	DbOf        = model.DbOf
+	Redis       = model.Redis
+	RedisPool   = model.RedisPool
+	RedisPoolOf = model.RedisPoolOf
+)
+
+func init() {
+	cfg := config.Instance()
+	model.Init("pay", &cfg.PayDb)
+	model.Init("pay", &cfg.PayRedis)
+	log.Infof("model initlized")
+}

model_test.go

@@ -0,0 +1 @@
+package model