laravel-- 分页 增删改查

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代码部分

资源控制器

NewsController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class NewsController extends Controller
{
    
    
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
    
    
        //
        $newsList=DB::table("news")->orderBy('id','desc')->paginate(10);
        return view('news.index',compact('newsList'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
    
    
        //
        return view('news.addnews');
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
    
    
        //

        // dd($request->all());
        $data=$request->except('_token');
        $data['user_id']=1;
        // dd($data);
        $res=DB::table('news')->insert($data);
        if($res){
    
    
            return redirect('/news');
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
    
    
        //
        $news=DB::table('news')->where('id',$id)->first();
        return view('news.show',compact('news'));
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
    
    
        //
        $news=DB::table('news')->find($id);
        return view('news.edit',compact('news'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
    
    
        //
        // dd($request->all());
        $news=$request->except('_token','_method');
        $res=DB::table('news')->where('id',$id)->update($news);
        return redirect('news');
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
    
    
        //

        DB::table('news')->where('id',$id)->delete();
         return redirect('news');
    }
}

视图

grail.blade.php

<body>
	<header>
	</header>
	<aside>
	</aside>
	<main>
        @yield('main')
	</main>
	<aside>
	</aside>
	<footer>
	</footer>

	<style type="text/css" media="screen">
		*{
    
    
			margin: 0;
			padding: 0;
		}
		body *{
    
    
			background-color:lightblue;

		}
		body{
    
    
			display: grid;
			 grid-template-rows: 160px minmax(400px,auto) 60px;
			grid-template-columns:200px  minmax(400px, 800px) 200px;
			gap:2px;
			place-content:center;
		}
		header,footer{
    
    
			grid-column-end:span 3;
		}
        main{
    
    
            padding: 10px;
        }
	</style>

</body>

index.blade.php

@extends('layout.grail')
@section('title','新闻列表')
@section('main')
    <h2>新闻列表</h2>
    <table class="table">
        <thead>
        <tr>
            <th>编号</th><th>标题</th><th >作者</th><th>类别</th><th>操作</th>
        </tr>

        </thead>
        <tbody>
        @foreach($newsList as $news)
            <tr>
                <td>{
    
    {
    
    $news->id}}</td>
                <td>
                    <a href="{
    
    {route('news.show',$news->id)}}">{
    
    {
    
    $news->title}}</a>
                </td>
                <td>{
    
    {
    
    $news->user_id}}</td>
                <td>{
    
    {
    
    $news->category_id}}</td>

                <td class="operation">
                    <a href="{
    
    {route('news.edit',$news->id)}}">修改</a>

                    <form action="{
    
    {route('news.destroy',$news->id)}}" method="post">
                        @method('delete')
                        <button onclick="return confirm('您确定要删除吗?')">删除</button>
                        @csrf
                    </form>

                </td>
            </tr>
        @endforeach
        </tbody>
    </table>
     {
    
    {
    
     $newsList->links('vendor.pagination.bootstrap-4') }}
@endsection
<style>
    button{
    
    
        border:none;
        color: #0d6efd;

    }
    table a{
    
    
        display: block;
        text-decoration-line: none;
        margin-right: 20px;
    }
    table a:hover{
    
    
        text-decoration-line: underline;
    }
   .optgroup>a,button:hover {
    
    
        text-decoration-line:underline;
    }
    .operation{
    
    
        display: flex;
    }
</style>

addNews.blade.php

@extends('layout.grail')
@section('title','添加新闻')
@section('main')

        <form action="{
    
    {route('news.store')}}" method="post">
            <div class="form-group">
                <label for="title">标题</label>
                <input type="text" id="title" name="title"  class="form-control">

            </div>
            <div class="form-group">
                <label for="category_id">类别</label>
                <select name="category_id" id="category_id"  class="form-control">
                    <option value="0">请选择新闻类别</option>
                    <option value="1">时政要闻</option>
                    <option value="2">经济动态</option>
                    <option value="3">健康信息</option>
                    <option value="4">体育新闻</option>
                    <option value="5">娱乐八卦</option>
                    <option value="6">国际新闻</option>
                </select>
            </div>
            <div class="form-group">
                <label for="content">内容</label>
                <textarea name="content" id="content" cols="30" rows="10"  class="form-control" ></textarea>
            </div>
            <div>
                <input type="submit" value="添加">
            </div>
@csrf
        </form>


@endsection

edit.blade.php

@extends('layout.grail')
@section('title','修改新闻')
@section('main')

    <form action="{
    
    {route('news.update',$news->id)}}" method="post">
        @method('put')
        <div class="form-group">
            <label for="title">标题</label>
            <input type="text" id="title" name="title"
                   class="form-control" value="{
    
    {
      
      $news->title}}">

        </div>
        <div class="form-group">
            <label for="category_id">类别</label>
            <select name="category_id" id="category_id"  class="form-control">
                <option value="0">请选择新闻类别</option>
                <option value="1">时政要闻</option>
                <option value="2">经济动态</option>
                <option value="3">健康信息</option>
                <option value="4">体育新闻</option>
                <option value="5">娱乐八卦</option>
                <option value="6">国际新闻</option>
            </select>
        </div>
        <div class="form-group">
            <label for="content">内容</label>
            <textarea name="content" id="content" cols="30" rows="10"  class="form-control" >

                {
    
    {
    
    $news->content}}
            </textarea>
        </div>
        <div>
            <input type="submit" value="修改"  >
        </div>
        @csrf
    </form>

@endsection

show.blade.php

@extends('layout.grail')
@section('title',$news->title)
@section('main')
<div>
    <div>
        {
    
    {
    
    $news->title}}
    </div>
    <p>{
    
    {
    
    $news->user_id}}</p>
    <div>{
    
    {
    
    $news->content}}</div>
</div>
@endsection

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转载自blog.csdn.net/lj1641719803hh/article/details/124733196