From 03aee7cd6eaa1559ebddf9a987a2e427b145504f Mon Sep 17 00:00:00 2001
From: Blizzard <parezhang@126.com>
Date: Fri, 25 Apr 2025 23:56:21 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20mysql=E8=BF=9E=E6=8E=A5=E7=AD=96?=
 =?UTF-8?q?=E7=95=A5?=
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---
 initialize/gorm_mysql.go | 43 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 initialize/gorm_mysql.go

diff --git a/initialize/gorm_mysql.go b/initialize/gorm_mysql.go
new file mode 100644
index 0000000..ea64a45
--- /dev/null
+++ b/initialize/gorm_mysql.go
@@ -0,0 +1,43 @@
+package initialize
+
+import (
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+	"sundynix-go/config"
+	"sundynix-go/global"
+)
+
+// GormMysql 初始化Mysql数据库
+func GormMysql() *gorm.DB {
+	m := global.Config.Mysql
+	return initMysqlDatabase(m)
+}
+
+// GromMysqlByConfig 根据配置初始化Mysql数据库
+func GromMysqlByConfig(m config.Mysql) *gorm.DB {
+	return initMysqlDatabase(m)
+}
+
+// initMysqlDatabase 初始化Mysql数据库的辅助函数
+func initMysqlDatabase(m config.Mysql) *gorm.DB {
+	if m.Dbname == "" {
+		return nil
+	}
+	mysqlConfig := mysql.Config{
+		DSN:                       m.Dsn(), //dsn
+		DefaultStringSize:         191,     // 默认字符串类型长度
+		SkipInitializeWithVersion: false,   // 根据版本自动配置
+	}
+	if db, err := gorm.Open(mysql.New(mysqlConfig), &gorm.Config{
+		DisableForeignKeyConstraintWhenMigrating: true, // 禁用自动创建外键约束
+	}); err != nil {
+		return nil
+	} else {
+		db.InstanceSet("gorm:table_options", "ENGINE="+m.Engine)
+		sqlDB, _ := db.DB()
+		sqlDB.SetMaxIdleConns(m.MaxIdleConns)
+		sqlDB.SetMaxOpenConns(m.MaxOpenConns)
+		global.Logger.Info("Mysql connect success")
+		return db
+	}
+}