新闻模块的添加、查询、修改以及删除操作

摘要：/******************* News.php 新闻控制器 *************************/ <?php namespace app\admin\controller; use app\admin\controller\Common; use app\admin\model\NewsModel; u

/******************* News.php 新闻控制器 *************************/
<?php
namespace app\admin\controller;

use app\admin\controller\Common;
use app\admin\model\NewsModel;
use think\facade\Request;
use think\facade\Session;

class News extends Common
{

    public function index()
    {
        $news = new NewsModel();
        $new = $news->order('id','desc')->paginate(2);
        $this->view->new = $new;
        //渲染新闻列表
        return $this->fetch();
    }

    public function add()
    {
        //渲染添加页面
        return $this->fetch();
    }

    public function upload()
    {
        //获取上传的图片信息
        $file = Request::file('img');
        //验证图片信息并移动到制定目录
        if($info = $file->validate(['ext' => 'jpg,jpeg,png,gif'])->move('upload')){
            //返回上传成功信息
            return json(['errno' => 0,'data' => ['/upload/'.$info->getSaveName()]]);
        }else{
            //返回错误信息
            return $file->getError();
        }
    }

    public function DOAdd()
    {
        //获取数据
        $data = Request::param();
        //加入发布的时间
        $data['time'] = time();
        //加入发布新闻的管理员名称
        $data['username'] = Session::get('username');
        //将新闻标题独立出来
        $title = $data['title'];
        //将新闻标题作为条件来查询数据
        $news = NewsModel::where('title',"$title")->find();
        //验证新闻标题是否重复
        if($news == true){
            return ['res'=>0,'msg'=>'新闻标题重复！'];
        }
        //实例化模型
        $new = new NewsModel();
        //存储验证
        if($new->save($data)){
            //返回发布成功的信息
            return ['res'=>1,'msg'=>'发布成功！'];
        }else{
            //返回发布失败的信息
            return ['res'=>0,'msg'=>'发布失败！'];
        }
    }

    public function edit()
    {
        //接收传递过来的id
        $newId = Request::param('id');
        //查询新闻id对应的新闻信息
        $new = NewsModel::get($newId);
        //将数据赋值到模板
        $this->view->new = $new;
        //渲染新闻修改页面
        return $this->fetch();
    }

    public function DoEdit()
    {
        //获取提交的数据
        $data = Request::param();
        //实例化模型
        $new = new NewsModel();
        //进行修改操作
        $res = $new->save([
            'title'=>$data['title'],
            'desc'=>$data['desc'],
            'content'=>$data['content'],
            'username'=>Session::get('username'),
            'time'=>time(),
        ],['id'=>$data['id']]);
        //验证修改结果
        if($res){
            //返回修改成功信息
            return ['res'=>1,'msg'=>'修改成功！'];
        }else{
            //返回修改失败信息
            return ['res'=>0,'msg'=>'修改失败！'];
        }
    }
    public function del()
    {
        //获取需要删除的新闻id
        $newId = Request::param('id');

        //实例化模型
        $new = new NewsModel();
        
        //删除并验证
        if($new->destroy($newId)){
            //返回提示信息
            return ['res'=>1,'msg'=>'删除成功！'];
        }else{
            //返回提示信息
            return ['res'=>0,'msg'=>'删除失败！'];
        }
    }
}

/****************** index.html 新闻列表页面 ********************/

{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>新闻ID</th>
<th>新闻标题</th>
<th>新闻图片</th>
<th>新闻简介</th>
<th>发布管理员</th>
<th>发布日期</th>
<th >操作</th>
</tr>
</thead>
<tbody>
{volist name="new" id="news"}
<tr>
<td>
<div class="layui-unselect layui-form-checkbox" lay-skin="primary" data-id='2'><i class="layui-icon"></i></div>
</td>
<td>{$news.id}</td>
<td>{$news.title}</td>
<td><img src="#"></td>
<td>{$news.desc}</td>
<td>{$news.username}</td>
<td>{$news.time|date="Y-m-d"}</td>
<td class="td-manage">
<a title="查看" onclick="x_admin_show('编辑','{:url(\'News/edit\')}?id={$news.id}')" href="javascript:;">
<i class="layui-icon"></i>
</a>
<a title="删除" onclick="member_del(this,'{$news.id}')" href="javascript:;">
<i class="layui-icon"></i>
</a>
</td>
</tr>
{/volist}
</tbody>
</table>
<div class="page">
<div>
{$new|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>

/***************** 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="title" class="layui-form-label">
<span class="x-red">*</span>新闻标题
</label>
<div class="layui-input-inline">
<input type="text" id="title" name="title" required="" lay-verify="required"
autocomplete="off" class="layui-input">
</div>
</div>











<div class="layui-form-item">
<label for="desc" class="layui-form-label">
<span class="x-red">*</span>简介
</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 layui-form-text">
<label for="desc" class="layui-form-label">
内容
</label>
<div class="layui-input-block" id="editor">
</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="">
发布
</button>
</div>
</form>
</div>
<script type="text/javascript" src="__ADMIN__/js/wangEditor.js"></script>
<script>
layui.use(['form','layer'], function(){
$ = layui.jquery;
var form = layui.form
,layer = layui.layer;

//配置wangEditor富文本编辑器
////将要用到的对象添加到全局
var E = window.wangEditor

//生成editor对象
var editor = new E('#editor')

//设置图片上传的控件名称:类似于input的name属性,供接口获取图片信息使用
editor.customConfig.uploadFileName = 'img'

//设置服务上的图片上传处理接口脚本
editor.customConfig.uploadImgServer = '{:url(\'upload\')}'

//创建出富文件编辑器
editor.create()

//自定义验证规则
form.verify({
nikename: function(value){
if(value.length < 5){
return '昵称至少得5个字符啊';
}
}
,pass: [/(.+){6,12}$/, '密码必须6到12位']
,repass: function(value){
if($('#L_pass').val()!=$('#L_repass').val()){
return '两次密码不一致';
}
}
});

//监听提交
form.on('submit(add)', function(data){
console.log(data);
//发异步，把数据提交给php
$.post('{:url(\'DOAdd\')}',{
'title':$('#title').val(),
'desc':$('#desc').val(),
'content':editor.txt.html(),
},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>

/************************* edit.html 修改页面 *********************/

{include file="public/head" /}

<body>
<div class="x-body">
<form class="layui-form">
<div class="layui-form-item">
<label for="title" class="layui-form-label">
<span class="x-red">*</span>新闻标题
</label>
<div class="layui-input-inline">
<input type="text" id="title" name="title" value="{$new.title}" required="" lay-verify="required"
autocomplete="off" class="layui-input">
<input type="hidden" id="id" value="{$new.id}">
</div>
</div>











<div class="layui-form-item">
<label for="desc" class="layui-form-label">
<span class="x-red">*</span>简介
</label>

<div class="layui-input-inline">
<textarea placeholder="请输入内容" id="desc" name="desc" class="layui-textarea">{$new.desc}</textarea>
</div>
</div>
<div class="layui-form-item layui-form-text">
<label for="desc" class="layui-form-label">
内容
</label>
<div class="layui-input-block" id="editor">
{:htmlspecialchars_decode($new.content)}
</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="">
修改
</button>
</div>
</form>
</div>
<script type="text/javascript" src="__ADMIN__/js/wangEditor.js"></script>
<script>
layui.use(['form', 'layer'], function () {
$ = layui.jquery;
var form = layui.form
, layer = layui.layer;

//配置wangEditor富文本编辑器
////将要用到的对象添加到全局
var E = window.wangEditor

//生成editor对象
var editor = new E('#editor')

//设置图片上传的控件名称:类似于input的name属性,供接口获取图片信息使用
editor.customConfig.uploadFileName = 'img'

//设置服务上的图片上传处理接口脚本
editor.customConfig.uploadImgServer = 'index'

//创建出富文件编辑器
editor.create()

//自定义验证规则
form.verify({
nikename: function (value) {
if (value.length < 5) {
return '新闻标题至少得5个字符啊';
}
}
});

//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(\'DoEdit\')}', {
'title': $('#title').val(),
'id': $('#id').val(),
'desc': $('#desc').val(),
'content': editor.txt.html(),
}, 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：2018-11-30 17:16:54
老师总结：不错不错非常的完整！很棒！课后多多练习！继续加油吧！

新闻模块的添加、查询、修改以及删除操作

热门词条