<?php
namespace app\admin\controller;
use catetree\Catetree;
use think\Request;
use app\admin\model\LinksModel;

class Links extends Base
{
    

    public function lst()//友情链接列表
    {   
        $user = new LinksModel();
        $list = $user
                ->order('sort desc')
                ->paginate(10);
        $this->assign('list',$list);
        return view(); 
       
         
    }


    public function add(){      
        if(request()->isPost()){
            $user = new LinksModel();
            $data = input('post.');
            $where=[
                'title'=>$data['title'],
            ];
            $links = $user->where($where)->find();
            if(empty($links)){
                $user->save($data);
                return 1;
            }else{
                return 2;//标题不能重复
            }
        }
        return view();

    }

    public function edit(){
        $user = new LinksModel();
        $id = input('id');
        $list = $user->where('id',$id)->find();
        if(request()->isPost()){
            $data = input('post.');
            if($user->update($data)){             
                return 1;//修改成功
            }else{
                return 2;//修改失败
            }
        }
        $this->assign([
            'list'=>$list,
        ]);
        return view();
    }


     public function del(){//删除
        $user = new LinksModel();
        $id = input('id');
        $del=$user->where('id',$id)->delete();
        if($del){
            return ['data'=>200,'msg'=>'删除成功'];
        }else{
            return ['data'=>0,'msg'=>'删除失败'];
        }

    } 


    //更新排序
    public function sort(){
        if(request()->isPOST()){
            $data=input(); //获取ajax提交所有数据
            $table=db('links'); //要更新的表
            $cate=new Catetree;  //实例化拓展类  使用排序方法
            $cate->cateSort($data['sort'],$table);
            return 1;
        }

    }

        
}