# 数据库连接

## 示例

开发人员可以自行创建数据库连接：

```go
package main

import (
	"database/sql"
	_ "github.com/mattn/go-sqlite3"
)

func main() {	
	db, err := sql.Open("sqlite3", "./test.db")
	if err == nil {
		defer db.Close()
	}
	//...
}
```

或者使用属性文件创建：

```go
package main

import (
	"github.com/doytowin/goooqo/rdb"
	_ "github.com/mattn/go-sqlite3"
)

func main() {
	db := rdb.Connect("app.properties")
	defer rdb.Disconnect(db)
	//...
}
```

## 属性格式

属性文件包含不同数据库的参数，模版如下：

```properties
driver=sqlite3
data_source=./test.db

#driver=mysql
#mysql_url=tcp(localhost:3306)/demo?charset=utf8mb4&parseTime=true
#mysql_database=demo
#mysql_username=root
#mysql_password=root
```

将会在`Dialect`功能上线后，提供更多属性配置。


---

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