abstract：1.控制器类<?phpnamespace app\admin\controller;use app\admin\controller\Common;use app\admin\model\ProductModel;use app\admin\model\ProductPicModel;use think\facade\Request;use think\facade\Session;clas
1.控制器类
<?php
namespace app\admin\controller;
use app\admin\controller\Common;
use app\admin\model\ProductModel;
use app\admin\model\ProductPicModel;
use think\facade\Request;
use think\facade\Session;
class ProductPic extends Common
{
public function index()
{
// 实例化模型
$proPic = new ProductPicModel();
$productPic = $proPic->order('id', 'desc')->paginate(4);
$this->view->productPic = $productPic;
// 渲染产品缩略图列表
return $this->fetch();
}
public function add()
{
// 查询所有产品数据
$product = ProductModel::all();
// 将数据赋值给模板
$this->view->product = $product;
// 渲染产品缩略图添加界面
return $this->fetch();
}
public function upload()
{
//获取上传图片的信息
$file = Request::file('file');
// 验证图片信息并移动到指定目录
if ($info = $file->validate(['ext' => 'jpg,jpeg,png,gif'])->move('upload')) {
// 拼接图像路径
$fileName = '/upload/' . $info->getSaveName();
// 返回成功信息
return json([1, '上传成功', 'data' => $fileName]);
} else {
// 返回错误信息
return $file->getError();
}
}
public function DoAdd()
{
// 获取提交数据
$data = Request::param();
// 添加时间
$data['time'] = time();
// 添加管理员
$data['username'] = Session::get('username');
// 实例化模型
$proPic = new ProductPicModel();
// 存储并验证
if ($proPic->save($data)) {
// 返回对应的数据
return ['res' => 1, 'msg' => '发布成功'];
} else {
return ['res' => 0, 'msg' => '发布失败'];
}
}
public function del()
{
// 获取要删除产品的id
$productId = Request::param('id');
// 实例化模型
$productPic = new ProductPicModel();
// 删除并验证
if ($productPic->destroy($productId)) {
// 返回对应的数据
return ['res' => 1, 'msg' => '删除成功！'];
} else {
return ['res' => 0, 'msg' => '删除失败！'];
}
}
}
2.模型类
<?php
namespace app\admin\model;
use \think\Model;
class ProductPicModel extends Model
{
protected $table ='product_pic';
protected $pk='id';
}
3.视图类
（1）添加界面add.html
<!doctype html>
<html lang="en">
{include file="/public/header"}
<body>
<div class="x-body">
<form class="layui-form">
<div class="layui-form-item">
<label for="product_id" class="layui-form-label">
<span class="x-red">*</span>选择产品
</label>
<div class="layui-input-inline">
<select name="product_id" id="product_id">
{volist name="product" id="pro"}
<option value="{$pro.id}">{$pro.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="/static/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
$.post('{:url(\'DoAdd\')}',{
'product_id':$('#product_id').val(),
'pic':$('#pic').val()
},function (data) {
if (data.res == 1){
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}else{
layer.alert(data.msg, {icon: 6},function () {
// 获得frame索引
var index = parent.layer.getFrameIndex(window.name);
//关闭当前frame
parent.layer.close(index);
});
}
})
return false;
});
});
</script>
</body>
</html>
（2）详情界面index.html
<!doctype html>
<html lang="en">
{include file="/public/header"}
<body>
<div class="x-nav">
<span class="layui-breadcrumb">
<a href="">首页</a>
<a href="">演示</a>
<a>
<cite>导航元素</cite></a>
</span>
<a class="layui-btn layui-btn-small" style="line-height:1.6em;margin-top:3px;float:right" href="javascript:location.replace(location.href);" title="刷新">
<i class="layui-icon" style="line-height:30px">ဂ</i></a>
</div>
<div class="x-body">
<xblock>
<button class="layui-btn" onclick="x_admin_show('添加产品缩略图','{:url(\'ProductPic/add\')}')"><i class="layui-icon"></i>添加</button>
<span class="x-right" style="line-height:40px">共有数据：88 条</span>
</xblock>
<table class="layui-table">
<thead>
<tr>
<th>图片ID</th>
<th>所属产品</th>
<th>图片</th>
<th>发布管理员</th>
<th>发布日期</th>
<th>操作</th>
</tr>
</thead>
<tbody>
{volist name="productPic" id="product"}
<tr>
<td>{$product.id}</td>
<td>{:GetProTitle($product.product_id)}</td>
<td><img src="{$product.pic}"></td>
<td>{$product.username}</td>
<td>{$product.time|date="Y-m-d"}</td>
<td class="td-manage">
<a title="删除" onclick="member_del(this,'{$product.id}')" href="javascript:;">
<i class="layui-icon"></i>
</a>
</td>
</tr>
{/volist}
</tbody>
</table>
<div class="page">
<div>
</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});
}
})
});
}
</script>
</body>
</html>
Correcting teacher：天蓬老师Correction time：2019-05-27 09:10:57
Teacher's summary：你的代码看上去应该可以运行没问题, 但不宜细看, 里面有很多不是很合乎规范的东西, 例如, 在类中实例化其它它,就不是一个好习惯, 应该通过依赖注入来解决