laraval框架 数据库 增删查改

查询
$rs = User::where('account' , $request->account)

                ->where('password' , $request->password)

                ->first();

增添

$rs = User::create([

        'account' => $request->account,

        'password'=> $request->password

    ]);

删除

$rs = User::where('account' ,$request->id)

    ->delete();

修改

$rs ::where('account',2020 )  ->update(['$request->id' => 'account']);