mingde-bd/application/admin/controller/NewsReply.php

<?php
namespace app\admin\controller;
use think\Db;

class NewsReply extends Auth
{

    public function index(){
        if(request()->isAjax()){
            //分页参数
            $length = input('rows',10,'intval');   //每页条数
            $page = input('page',1,'intval');      //第几页
            $start = ($page - 1) * $length;     //分页开始位置
            //排序
            $sortRow = input('sidx','id','trim');      //排序列
            $sort = input('sord','desc','trim');        //排序方式
            $order = $sortRow.' '.$sort;

            $title = input('title','','trim');
            if($title){
                $map[] = ['content','like','%'.$title.'%'];
            }

            $cate_id = input('cate_id','','trim');
            if($cate_id){
                $map[] = ['cate_id','=',$cate_id];
            }

            $enable = input('enable','','trim');
            if($enable != ''){
                $map[] = ['enable','=',$enable];
            }
            $ids = Db::name('news')
                ->where('org_id',$this->orgId)
                ->column('id');
            if($ids){
                $map[] = ['news_id','in',$ids];
            }else{
                $map[] = ['id','=',-1];

            }
            $map[] = ['del','=',0];
            $map= empty($map) ? true: $map;
            //数据查询
            $lists = Db::name('news_reply')->limit($start,$length)->where($map)->order(['id'=>'desc'])->select();
            foreach ($lists as $k=>$v){
                $lists[$k]['userName'] = Db::name('user')
                    ->where('id',$v['user_id'])->value('real_name');
                $lists[$k]['title'] = Db::name('news')
                    ->where('id',$v['news_id'])->value('title');
            }

            //数据返回
            $totalCount = Db::name('news_reply')->where($map)->count();
            $totalPage = ceil($totalCount/$length);
            $result['page'] = $page;
            $result['total'] = $totalPage;
            $result['records'] = $totalCount;
            $result['rows'] = $lists;
            return json($result);
        }else{
            return $this->fetch();
        }

    }



    /**
     * 删除记录
     * @param int $id
     */
    public function del($id=0){
        if(!$id){
            $this->error('参数错误');
        }
        $res = Db::name('news_reply')->where('id',$id)
            ->setField('del',1);
        if($res){
            $this->success('删除成功');
        }else{
            $this->error('删除失败');
        }
    }

    /**
     * 改变字段值
     * @param int $fv
     * @param string $fn
     * @param int $fv
     */
    public function changeField($id=0,$fn='',$fv=0){
        if(!$fn||!$id){
            $this->error('参数错误');
        }
        $res = Db::name('news_reply')->where('id',$id)->setField($fn,$fv);
        if($res){
            $this->success('操作成功');
        }else{
            $this->error('操作失败');
        }
    }

    /**
     * 排序
     * @param int $id
     * @param int $sort
     */
    public function changeSort($id=0,$sort=0){
        if($id<0||$sort<0){
            $this->error('参数错误');
        }
        $res = db('news')->where('id',$id)->update(['sort'=>$sort]);
        if($res){
            $this->success('操作成功');
        }else{
            $this->error('操作失败');
        }
    }

}