thinkphp通用控制器

<?php

namespace 目录\Controller;

class TypeController extends Controller
{
    public function add()
    {
        if(IS_POST)
        {
            $model = D('Type');
            if($model->create())
            {
                if($model->add())
                {
                    $this->success('添加成功！', U('lst'));
                    exit;
                }
                else
                {
                    $sql = $model->getLastSql();
                    $this->error('插入数据库失败！.<hr />SQL:'.$sql);
                }
            }
            else
            {
                $error = $model->getError();
                $this->error($error);
            }
        }
        $this->display();
    }
    public function lst()
    {
        $model = D('Type');
        $data = $model->search();
        $this->assign($data);
        $this->display();
    }
    public function save($id)
    {
        $model = D('Type');
        if(IS_POST)
        {
            if($model->create())
            {
                if($model->save() !== FALSE)
                {
                    $this->success('修改成功！', U('lst'));
                    exit;
                }
                else
                {
                    $sql = $model->getLastSql();
                    $this->error('修改数据库失败！.<hr />SQL:'.$sql);
                }
            }
            else
            {
                $error = $model->getError();
                $this->error($error);
            }
        }
        $data = $model->find($id);
        $this->assign('data', $data);
        $this->display();
    }
    public function del($id)
    {
        $model = D('Type');
        $model->delete($id);
        $this->success('操作成功！', U('lst'));
    }
    public function bdel()
    {
        $delid = I('post.delid');
        if($delid)
        {
            $delid = implode(',', $delid);
            $model = D('Type');
            $model->delete($delid);
        }
        else
            $this->error('请选择要删除的记录!');
        $this->success('操作成功！', U('lst'));
    }
}