abstract：<?php namespace app\admin\controller; use think\facade\Request; use app\admin\model\News as NewsModel; use think\facade\Session; //引入公共类 use app\admin\controlle
<?php
namespace app\admin\controller;
use think\facade\Request;
use app\admin\model\News as NewsModel;
use think\facade\Session;
//引入公共类
use app\admin\controller\Common;
class News extends Common
{
public function index()
{
//渲染新闻内容
$res = NewsModel::paginate(1);
$this->assign('res', $res);
return $this->fetch();
}
public function create(){
//添加新闻模板
return $this->fetch();
}
//编辑新闻
public function edit(){
$id = Request::param('id');
$res = NewsModel::get($id);
$this->assign('res',$res);
return $this->fetch();
}
//更新数据
public function update(){
$data = Request::param();
$data['username'] = Session::get('username');
$data['time'] = time();
$news = new NewsModel();
$res = $news ->save($data,['id'=>$data['id']]);
if($res){
return ['status'=>1,'msg'=>'更新成功'];
}else{
return ['status'=>0,'msg'=>'更新失败'];
}
}
//处理上传文件
public function uploads(){
$file = Request::file('img');
$info = $file->validate(['ext'=>'jpg,png,jif'])->move('uploads');
if($info){
//json()返回json格式数据
return json(['errno'=>0,'data'=>['/uploads/'.$info->getSaveName()]]);
}else{
return $file->getError();
}
}
//获取提交的数据
public function save(){
//静态方法获取提交的数据
$data = Request::param();
$data['time'] = time();
$data['username'] = Session::get('username');
$news = NewsModel::where('title', $data['title'])->find();
//判断标题是否重复
if ($news ) {
return ['status' => 0, 'msg' => '新闻标题重复！'];
}
$new = new NewsModel();
//save方法返回boolear
if ($new->save($data)) {
return ['status' => 1, 'msg' => '发布成功！'];
} else {
return ['status' => 0, 'msg' => '发布失败！'];
}
}
//软删除数据
public function delete(){
$id = Request::param('id');
$res = NewsModel::destroy($id);
if($res){
return ['status' => 1, 'msg' => '删除成功！'];
}else{
return ['status' => 0, 'msg' => '删除失败！'];
}
}
}
Correcting teacher：天蓬老师Correction time：2018-11-03 22:30:51
Teacher's summary：其实,只要是ajax请交,返回的数据默认就是json格式,不必再用json助手函数进行重复转换了
