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                配置了數據庫連接信息后,我們就可以直接使用數據庫運行原生SQL操作了,支持`query`(查詢操作)和`execute`(寫入操作)方法,并且支持參數綁定。 ~~~ Db::query('select * from think_user where id=?',[8]); Db::execute('insert into think_user (id, name) values (?, ?)',[8,'thinkphp']); ~~~ 也支持命名占位符綁定,例如: ~~~ Db::query('select * from think_user where id=:id',['id'=>8]); Db::execute('insert into think_user (id, name) values (:id, :name)',['id'=>8,'name'=>'thinkphp']); ~~~ 可以使用多個數據庫連接,使用 ~~~ Db::connect($config)->query('select * from think_user where id=:id',['id'=>8]); ~~~ $config是一個單獨的數據庫配置,支持數組和字符串,也可以是一個數據庫連接的配置參數名。
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