结合本章学习内容完成轮播图模块
controller/Slide.php
<?php
namespace app\admin\controller;
use app\admin\controller\Common;
use app\admin\model\SlideModel;
use think\facade\Request;
use think\facade\Session;
class Slide extends Common
{
public function index()
{
$slide =new SlideModel();
//查询数据按照id排序并且每页4个数据
$slides = $slide->order('id','desc')->paginate(4);
$this->view->slides = $slides;
return $this->fetch();
}
public function add()
{
return $this->fetch();
}
public function upload()
{
//获取上传图片信息
$file = Request::file('file');
//验证并且移动到指定目录
if($info = $file->validate(['ext'=>'jpg,jpeg,png,gif'])->move('upload')){
//返回上传成功信息
$fileName='/upload/'.$info->getSaveName();
return json([1,'上传成功','data'=>$fileName]);
}else{
//返回错误信息
return $file->getError();
}
}
public function DoAdd()
{
//获取提交过来的数据
$data = Request::param();
$data['time'] = time();
$data['username'] = Session::get('username');
//实例化模型
$slide = new SlideModel();
if($slide->save($data)){
return ['res'=>1,'msg'=>'添加成功!'];
}else{
return ['res'=>0,'msg'=>'添加失败!'];
}
}
public function del()
{
$slideId = Request::param('id');
$slide = new SlideModel();
if($slide->destroy($slideId)){
return ['res'=>1];
}
}
}model/SlideModel.php
<?php
namespace app\admin\model;
use \think\Model;
class SlideModel extends Model
{
protected $table = 'slide';
protected $pk = 'id';
}view/add.html
{include file="/public/head"}
<body>
<div class="x-body">
<form class="layui-form">
<div>
<label class="layui-form-label">轮播图</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="desc" class="layui-form-label">
<span class="x-red">*</span>轮播图说明
</label>
<div class="layui-input-inline">
<textarea placeholder="请输入内容" id="desc" name="desc" class="layui-textarea"></textarea>
</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,
upload = layui.upload;
upload.render({
elem: '#upload',
url: "{:url(\'Slide/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="slide_pic" id="slide_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
$.post('{:url(\'Slide/DoAdd\')}',{
'pic':$('#slide_pic').val(),
'desc':$('#desc').val(),
},function(data){
if(data.res==1){
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}else{
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}
});
return false;
});
});
</script>
</body>
</html>view/index.html
{include file="/public/head"}
<body>
<div class="x-nav">
<span class="layui-breadcrumb">
<a href="">首页</a>
<a href="">演示</a>
<a>
<cite>导航元素</cite></a>
</span>
<a class="layui-btn layui-btn-small" style="line-height:1.6em;margin-top:3px;float:right"
href="javascript:location.replace(location.href);" title="刷新">
<i class="layui-icon" style="line-height:30px">ဂ</i></a>
</div>
<div class="x-body">
<xblock>
<button class="layui-btn" onclick="x_admin_show('添加轮播图','{:url(\'Slide/add\')}')"><i class="layui-icon"></i>添加</button>
<span class="x-right" style="line-height:40px">共有数据：88 条</span>
</xblock>
<table class="layui-table layui-form">
<thead>
<tr>
<th width="70">轮播图ID</th>
<th>轮播图</th>
<th width="200">轮播图说明</th>
<th width="200">管理员</th>
<th width="200">发布时间</th>
<th width="200">操作</th>
</thead>
<tbody>
{volist name="slides" id="slide"}
<tr>
<td>{$slide.id}</td>
<td>
<img src="{$slide.pic}">
</td>
<td>{$slide.desc}</td>
<td>{$slide.username}</td>
<td>{$slide.time|date="Y-m-d"}</td>
<td class="td-manage">
<button class="layui-btn-danger layui-btn layui-btn-xs" onclick="member_del(this,'{$slide.id}')"
href="javascript:;"><i class="layui-icon"></i>删除
</button>
</td>
</tr>
{/volist}
</tbody>
</table>
<div class="page">
<div>
{$slides|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(\'Slide/del\')}','id='+id,function(data) {
if (data.res == 1) {
$(obj).parents("tr").remove();
layer.msg('已删除!', {icon: 1, time: 1000});
}
})
});
}
</script>
</body>
</html>