版本:5.5
use Illuminate\Support\Facades\DB;
//新增数据 返回一个布尔值
/** /
$bool = DB::insert('insert into wt_001(username, old, note) values(?,?,?)',['李克勤','18','软件工程师']);
dd($bool);
/**/
//修改数据 返回修改到记录数
/** /
$num = DB::update('update wt_001 set username = ? ,old = ? where id = ?',['李嘉诚',20,1]);
/**/
//查询数据
/**/
$rs = DB::select('select * from wt_001');
//$rs = DB::select('select * from wt_001 where id =?',[2]);//条件查询
dd($rs);
//var_dump($rs);
/**/
//删除数据
/** /
$num = DB::delete('delete from wt_001 where id = ?',[1]);
dd($num);
/**/