Thinkphp原生增删改查

public function add(){

    $this->assign('title','添加用户');
    $this->display('User/add');

}
public function insert(){
    if(IS_POST){
        M('user')->create();
        if(M('user')->add()>0){
            $this->success('添加成功',U('Home/Index/index'));
        }else{
            $this->error('添加失败');
        }
    }else{
        E('非法访问');
    }
}

删除

public function del(){
    if(IS_GET){
        $id = I('get.id',0,'int');
        if(M('user')->delete($id)>0){
          $this->success('删除成功',U('Home/Index/index'));
        }else{
           $this->error('删除失败');
        }
    }else{
        E('非法访问');
    }
}

编辑

public function edit(){
    if(IS_GET){
        $id = I('get.id',0,'int');
        $row = M('user')->find($id);
        $this->assign('title','修改信息');
        $this->assign('row',$row);
        $this->display('User/edit');

    }
}
public function editdo(){
    if(IS_POST){
        $id = I('post.id',0,'int');
        $user =M('user');
        $user->name = I("post.name");
        $user->pwd = I("post.pwd");
        $user->tel = I("post.tel");
        $user->email = I("post.email");
         $res = $user->where("id=$id")->save();
       if($res>0){
           $this->success('修改成功',U('Home/Index/index'));
       }else{
           $this->success('修改失败',U('Home/Index/index'));
       }

    }else{
        E('非法访问');
    }
}

//全查
public function index(){
    $list = M('user')->select();
    $this->assign('title','用户中心');
    $this->assign('list',$list);
    $this->display('User/index');
}

//单查
 $row = M('user')->find($id);
//带条件全查 
 M('user')->order('id desc')->limit(5)->select()