abstract：<?phpnamespace app\admin\controller;use app\admin\controller\Common;use app\admin\model\NewsModel;use app\admin\model\NewsPicModel;use think\facade\Request;use think\facade\Session;class NewsPic ex
<?php
namespace app\admin\controller;
use app\admin\controller\Common;
use app\admin\model\NewsModel;
use app\admin\model\NewsPicModel;
use think\facade\Request;
use think\facade\Session;
class NewsPic extends Common
{
public function index()
{
//實例化模型
$newPic = new NewsPicModel();
$pics = $newPic->order('id', 'desc')->paginate(6);
$this->view->pics = $pics;
// 渲染新聞縮略圖列表
return $this->fetch();
}
public function add()
{
// 查詢所有新聞數(shù)據(jù)
$news = NewsModel::all();
//將數(shù)據(jù)賦值給模板
$this->view->news = $news;
// 渲染新聞縮略圖添加界面
return $this->fetch();
}
public function upload()
{
// 獲取上傳圖片的信息
$file = Request::file('file');
// 驗證圖片并移動到指定目錄
if ($info = $file->validate(['ext' => 'jpg,jpeg,png,gif'])->move('upload')) {
// 拼接圖片路徑
$fileName = '/upload/' . $info->getSaveName();
// 返回上傳成功的提示信息
return json([1, '上傳成功！', 'data' => $fileName]);
} else {
// 返回上傳失敗的錯誤信息
return $file->getError();
}
}
public function DoAdd()
{
// 獲取提交的數(shù)據(jù)
$data = Request::param();
$data['time'] = time();
$data['username'] = Session::get('username');
$newPic = new NewsPicModel();
if ($newPic->save($data)) {
return ['res' => 1, 'msg' => '發(fā)布成功！'];
} else {
return ['res' => 0, 'msg' => '發(fā)布失敗！'];
}
}
public function del()
{
$picId=Request::param('id');
$newPic = new NewsPicModel();
if ($newPic->destroy($picId)){
return ['res'=>1];
}
}
}
Correcting teacher：查無此人Correction time：2019-03-05 09:11:51
Teacher's summary：完成的不錯。jQuery按鈕預(yù)覽，使用插件，自己寫也可以。如果覺得看不懂，就把別人寫好的，一個一個函數(shù)去查詢。繼續(xù)加油