abstract:/********************* NewsPic.php 控制器 *************************/<?phpnamespace app\admin\controller;use app\admin\controller\Common;use app\admin\model\NewsModel;use app\admin
/********************* NewsPic.php 控制器 *************************/
<?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()
{
//实例化模型
$newsPic = new NewsPicModel();
$pics = $newsPic->order('id','desc')->paginate(2);
$this->view->pics = $pics;
//渲染新闻缩略图列表
return $this->fetch();
}
public function add()
{
//查询所有的数据
$news = NewsModel::all();
//模板赋值
$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{
//返回上传成功的提示信息
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');
$newPic = new NewsPicModel();
//删除并验证
if($newPic->destroy($picId)){
//返回提示信息
return ['res'=>1,'msg'=>'删除成功!'];
}
}
}
/********************* add.html 添加页面 *******************************/
{include file="public/head" /}
<body>
<div class="x-body">
<form class="layui-form">
<div class="layui-form-item">
<label for="news_id" class="layui-form-label">
<span class="x-red">*</span>选择新闻
</label>
<div class="layui-input-inline">
<select name="news_id" id="news_id">
{volist name="news" id="new"}
<option value="{$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':$('#pic').val()
},function(data){
if(data.res == 1){
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}else{
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}
})
return false;
});
});
</script>
</body>
</html>
/************************ index.html 列表页面 ********************/
{include file="public/head" /}
<body>
<div class="x-nav">
<span class="layui-breadcrumb">
<a href="">首页</a>
<a href="">演示</a>
<a>
<cite>导航元素</cite></a>
</span>
<a class="layui-btn layui-btn-small" style="line-height:1.6em;margin-top:3px;float:right" href="javascript:location.replace(location.href);" title="刷新">
<i class="layui-icon" style="line-height:30px">ဂ</i></a>
</div>
<div class="x-body">
<xblock>
<button class="layui-btn" onclick="x_admin_show('添加用户','{:url(\'add\')}')"><i class="layui-icon"></i>添加</button>
<span class="x-right" style="line-height:40px">共有数据:88 条</span>
</xblock>
<table class="layui-table">
<thead>
<tr>
<th>
<div class="layui-unselect header layui-form-checkbox" lay-skin="primary"><i class="layui-icon"></i></div>
</th>
<th>图片ID</th>
<th>所属新闻</th>
<th>图片</th>
<th>发布管理员</th>
<th>发布日期</th>
<th >操作</th>
</tr>
</thead>
<tbody>
{volist name="pics" id="pic"}
<tr>
<td>
<div class="layui-unselect layui-form-checkbox" lay-skin="primary" data-id='2'><i class="layui-icon"></i></div>
</td>
<td>{$pic.id}</td>
<td>{:GetTitle($pic.news_id)}</td>
<td><img src="{$pic.pic}"></td>
<td>{$pic.username}</td>
<td>{$pic.time|date="Y-m-d"}</td>
<td class="td-manage">
<a title="删除" onclick="member_del(this,'{$pic.id}')" href="javascript:;">
<i class="layui-icon"></i>
</a>
</td>
</tr>
{/volist}
</tbody>
</table>
<div class="page">
<div>
{$pics|raw}
</div>
</div>
</div>
<script>
layui.use('laydate', function(){
var laydate = layui.laydate;
//执行一个laydate实例
laydate.render({
elem: '#start' //指定元素
});
//执行一个laydate实例
laydate.render({
elem: '#end' //指定元素
});
});
/*用户-删除*/
function member_del(obj,id){
layer.confirm('确认要删除吗?',function(index){
//发异步删除数据
$.get('{:url(\'del\')}','id='+id,function(data){
if(data.res == 1){
$(obj).parents("tr").remove();
layer.msg('已删除!',{icon:1,time:1000});
}
})
});
}
function delAll (argument) {
var data = tableCheck.getData();
layer.confirm('确认要删除吗?'+data,function(index){
//捉到所有被选中的,发异步进行删除
layer.msg('删除成功', {icon: 1});
$(".layui-form-checked").not('.header').parents('tr').remove();
});
}
</script>
</body>
</html>
Correcting teacher:天蓬老师Correction time:2018-12-03 15:01:07
Teacher's summary:前后端的交互, 使用ajax实现,传递的实际上是纯文本,后端只需要提交数据即可,尽可能的少,或者不参与模板的渲染,但目前还不能完全 做到