支持多个db

lxDb/db.go

@@ -14,8 +14,9 @@ import (
 )
 
 // DB2.0 数据库连接 gorm2.0
-var DB *gorm.DB //gs 数据库
+var DBS map[string]*gorm.DB //gs 数据库
 type DbConfig struct {
+	Name     string
 	Host     string
 	Port     string
 	User     string
@@ -24,27 +25,35 @@ type DbConfig struct {
 	Charset  string
 }
 
-func GetDB(c *gin.Context) *gorm.DB {
+func GetDB(c *gin.Context, dbName ...string) *gorm.DB {
 	v, _ := c.Get("X-Span-ID")
 	spanId := fmt.Sprintf("%v", v)
 	ctx := context.WithValue(context.Background(), "X-Span-ID", spanId)
-	return DB.WithContext(ctx)
+	d := "one"
+	if len(dbName) != 0 {
+		d = dbName[0]
+	}
+	return DBS[d].WithContext(ctx)
+}
+
+func InitDBS(env string, conf []DbConfig) {
+	DBS = map[string]*gorm.DB{}
+	if len(conf) == 1 {
+		conf[0].Name = "one"
+	}
+	for _, config := range conf {
+		InitDB(env, config)
+	}
 }
 
 func InitDB(env string, conf DbConfig) {
-	//dsn := "user:pass@tcp(127.0.0.1:3306)/dbname?charset=utf8mb4&parseTime=True&loc=Local"
-	//newLogger := logger.New(
-	//	//zap.NewStdLog(),
-	//	log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
-	//	logger.Config{
-	//		SlowThreshold:             200 * time.Millisecond, // Slow SQL threshold
-	//		LogLevel:                  logger.Info,            // Log level
-	//		IgnoreRecordNotFoundError: true,                   // Ignore ErrRecordNotFound error for logger
-	//		Colorful:                  false,                  // Disable color
-	//	},
-	//)
+	if conf.Name == "" {
+		DBS = nil
+		fmt.Println("db name 错误")
+		return
+	}
 	if conf.Host == "" {
-		DB = nil
+		DBS = nil
 		fmt.Println("未配置Db连接")
 		return
 	}
@@ -64,7 +73,7 @@ func InitDB(env string, conf DbConfig) {
 			fmt.Println(err.Error())
 			os.Exit(-1)
 		}
-		DB = db
+		DBS[conf.Name] = db
 	} else {
 		logger2 := lxzap.NewGormZap(zap.L())
 		db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
@@ -78,7 +87,7 @@ func InitDB(env string, conf DbConfig) {
 			fmt.Println(err.Error())
 			os.Exit(-1)
 		}
-		DB = db
+		DBS[conf.Name] = db
 	}
 	//db.AutoMigrate(TaskData{}, Task{}, Version{})
 }

lxrun/run.go

@@ -16,7 +16,7 @@ import (
 	"time"
 )
 
-func Run(env string, port string, fun func(), r func(router *gin.Engine), zapConfig lxzap.ZapLogConfig, dbConf lxDb.DbConfig, redisConf lxDb.RedisConfig) {
+func Run(env string, port string, fun func(), r func(router *gin.Engine), zapConfig lxzap.ZapLogConfig, dbConf []lxDb.DbConfig, redisConf lxDb.RedisConfig) {
 	_ = lxlog.InitLog()
 	err := lxzap.InitZapLogger(zapConfig)
 	if err != nil {
@@ -29,7 +29,7 @@ func Run(env string, port string, fun func(), r func(router *gin.Engine), zapCon
 	} else {
 		app.Use(lxzap.GinLogger(), lxzap.GinRecovery(true))
 	}
-	lxDb.InitDB(env, dbConf)
+	lxDb.InitDBS(env, dbConf)
 	lxDb.InitRedis(redisConf)
 	lxLock.InitRedis(redisConf)
 	fun()