版本：5.5
use Illuminate\Support\Facades\DB;

//新增數據 返回一個布爾值
        /** /
        $bool = DB::insert(‘insert into wt_001(username, old, note) values(?,?,?)‘,[‘李克勤‘,‘18‘,‘軟件工程師‘]);
        dd($bool);
        /**/
        
        //修改數據 返回修改到記錄數
        /** /
        $num = DB::update(‘update wt_001 set username = ? ,old = ? where id = ?‘,[‘李嘉誠‘,20,1]);
        /*
 
*/
        
        //查詢數據
        /**/
        $rs = DB::select(‘select * from wt_001‘);
        //$rs = DB::select(‘select * from wt_001 where id =?‘,[2]);//條件查詢
        dd($rs);
        //var_dump($rs);
        /**/
        
        //刪除數據
        /** /
        $num = DB::delete(‘delete from wt_001 where id = ?‘,[1]);
        dd($num);
        /*
 
*/

laravel基本數據庫操作