摘要：<?php /** * Created by PhpStorm. * User: Administrator * Date: 2018/7/21 * Time: 14:44 */ namespace app\admin\contro
<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2018/7/21
* Time: 14:44
*/
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()
{
//实例化模型
$newPic = new NewsPicModel();
$pics = $newPic->order('id', 'desc')->paginate(6);
$this->view->pics = $pics;
// 渲染新闻缩略图列表
return $this->fetch();
}
public function add()
{
// 查询所有新闻数据
$news = NewsModel::all();
//将数据赋值给模板
$this->view->news = $news;
// 渲染新闻缩略图添加界面
return $this->fetch();
}
public function upload()
{
// 获取上传图片的信息
$file = Request::file('file');
// 验证图片并移动到指定目录
if ($info = $file->validate(['ext' => 'jpg,jpeg,png,gif'])->move('upload')) {
// 拼接图片路径
$fileName = '/upload/' . $info->getSaveName();
// 返回上传成功的提示信息
return json([1, '上传成功！', 'data' => $fileName]);
} else {
// 返回上传失败的错误信息
return $file->getError();
}
}
public function DoAdd()
{
// 获取提交的数据
$data = Request::param();
$data['time'] = time();
$data['username'] = Session::get('username');
$newPic = new NewsPicModel();
if ($newPic->save($data)) {
return ['res' => 1, 'msg' => '发布成功！'];
} else {
return ['res' => 0, 'msg' => '发布失败！'];
}
}
public function del()
{
$picId=Request::param('id');
$newPic = new NewsPicModel();
if ($newPic->destroy($picId)){
return ['res'=>1];
}
}
}<?php
namespace app\admin\model;
use \think\Model;
class NewsPicModel extends Model
{
protected $table = 'news_pic';
protected $pk = 'id';
}{include file="/public/head"}
<body>
<div class="x-body">
<form class="layui-form">
<div class="layui-form-item">
<label for="news_id" class="layui-form-label">
<span class="x-red">*</span>选择新闻
</label>
<div class="layui-input-inline">
<select name="news_id" id="news_id">
{volist name="news" id="new"}
<option value="{$new.id}">{$new.title}</option>
{/volist}
</select>
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">新闻图片</label>
<div class="layui-input-block">
<button type="button" class="layui-btn" id="upload" >图片上传</button>
<div class="layui-upload-list" id="thumbnail"></div>
</div>
</div>
<div class="layui-form-item">
<label for="L_repass" class="layui-form-label">
</label>
<button class="layui-btn" lay-filter="add" lay-submit="">
增加
</button>
</div>
</form>
</div>
<script src="__ADMIN__/lib/layui/layui.js"></script>
<script>
layui.use(['form', 'layer','upload'], function () {
$ = layui.jquery;
var form = layui.form
, layer = layui.layer;
var $ = layui.jquery,
upload = layui.upload;
upload.render({
elem: '#upload',
url: "{:url('upload')}",
multiple: true,
before: function(obj){
//预读本地文件示例，不支持ie8
obj.preview(function(index, file, result){
$('#thumbnail').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
});
},
done: function(res){
//上传完毕
$('#thumbnail').append('<input type="hidden" name="pic" id="pic" value="'+res.data +'" />')
}
});
//监听提交
form.on('submit(add)', function(data){
console.log(data);
//发异步，把数据提交给php
$.post('{:url(\'DoAdd\')}',{
'news_id':$('#news_id').val(),
'pic':$('#pic').val()
},function (data) {
if (data.res == 1){
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}else{
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}
})
return false;
});
});
</script>
</body>
</html>
批改老师：韦小宝批改时间：2018-12-29 15:22:21
老师总结：不错！把你后面的作业都看了！基本上都是相差不大的增删改查，对于简单的项目来说增删改查掌握了后就等于完成了一大半了！后面继续加油吧！不要骄傲哦！这里就都给你这里评论了哈！
