教程四完成忘了提交了。。。

miant · Jun 3, 2016 · 7302dd1 · 7302dd1
1 parent 08a24a9
commit 7302dd1
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Showing 6 changed files with 145 additions and 7 deletions.
diff --git a/app/Comment.php b/app/Comment.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Comment extends Model
+{
+    //
+}
diff --git a/app/Http/Controllers/Admin/ArticleController.php b/app/Http/Controllers/Admin/ArticleController.php
@@ -11,8 +11,65 @@
 
 class ArticleController extends Controller
 {
-  public function index()
-  {
-    return view('admin/article/index')->withArticles(Article::all());
-  }
+    public function index()
+    {
+        return view('admin/article/index')->withArticles(Article::all());
+    }
+
+    public function create()
+    {
+        return view('admin/article/create');
+    }
+
+    public function edit($id)
+    {
+        return view('admin/article/edit')->withArticle(Article::find($id));
+    }
+
+    public function store(Request $request) // Laravel 的依赖注入系统会自动初始化我们需要的 Request 类
+    {
+        // 数据验证
+        $this->validate($request, [
+            'title' => 'required|unique:articles|max:255', // 必填、在 articles 表中唯一、最大长度 255
+            'body' => 'required', // 必填
+        ]);
+
+        // 通过 Article Model 插入一条数据进 articles 表
+        $article = new Article; // 初始化 Article 对象
+        $article->title = $request->get('title'); // 将 POST 提交过了的 title 字段的值赋给 article 的 title 属性
+        $article->body = $request->get('body'); // 同上
+        $article->user_id = $request->user()->id; // 获取当前 Auth 系统中注册的用户，并将其 id 赋给 article 的 user_id 属性
+
+        // 将数据保存到数据库，通过判断保存结果，控制页面进行不同跳转
+        if ($article->save()) {
+            return redirect('admin/article'); // 保存成功，跳转到 文章管理 页
+        } else {
+            // 保存失败，跳回来路页面，保留用户的输入，并给出提示
+            return redirect()->back()->withInput()->withErrors('保存失败！');
+        }
+    }
+
+    public function update(Request $request, $id)
+    {
+        $this->validate($request, [
+            'title' => 'required|unique:articles,title,'.$id.'|max:255',
+            'body' => 'required', 
+        ]);
+
+        $article = Article::find($id);
+        $article->title = $request->get('title');
+        $article->body = $request->get('body');
+
+        if ($article->save()) {
+            return redirect('admin/article');
+        } else {
+            return redirect()->back()->withInput()->withErrors('更新失败！');
+        }
+    }
+
+    public function destroy($id)
+    {
+        Article::find($id)->delete();
+        return redirect()->back()->withInput()->withErrors('删除成功！');
+    }
 }
diff --git a/app/Http/routes.php b/app/Http/routes.php
@@ -21,5 +21,5 @@
 
 Route::group(['middleware' => 'auth', 'namespace' => 'Admin', 'prefix' => 'admin'], function() {
     Route::get('/', 'HomeController@index');
-    Route::get('article', 'ArticleController@index');
+    Route::resource('article', 'ArticleController');
 });
diff --git a/resources/views/admin/article/create.blade.php b/resources/views/admin/article/create.blade.php
@@ -0,0 +1,32 @@
+@extends('layouts.app')
+
+@section('content')
+<div class="container">
+    <div class="row">
+        <div class="col-md-10 col-md-offset-1">
+            <div class="panel panel-default">
+                <div class="panel-heading">新增一篇文章</div>
+                <div class="panel-body">
+
+                    @if (count($errors) > 0)
+                        <div class="alert alert-danger">
+                            <strong>新增失败</strong> 输入不符合要求<br><br>
+                            {!! implode('<br>', $errors->all()) !!}
+                        </div>
+                    @endif
+
+                    <form action="{{ url('admin/article') }}" method="POST">
+                        {!! csrf_field() !!}
+                        <input type="text" name="title" class="form-control" required="required" placeholder="请输入标题">
+                        <br>
+                        <textarea name="body" rows="10" class="form-control" required="required" placeholder="请输入内容"></textarea>
+                        <br>
+                        <button class="btn btn-lg btn-info">新增文章</button>
+                    </form>
+
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+@endsection
diff --git a/resources/views/admin/article/edit.blade.php b/resources/views/admin/article/edit.blade.php
@@ -0,0 +1,33 @@
+@extends('layouts.app')
+
+@section('content')
+<div class="container">
+    <div class="row">
+        <div class="col-md-10 col-md-offset-1">
+            <div class="panel panel-default">
+                <div class="panel-heading">编辑文章</div>
+                <div class="panel-body">
+
+                    @if (count($errors) > 0)
+                        <div class="alert alert-danger">
+                            <strong>编辑失败</strong> 输入不符合要求<br><br>
+                            {!! implode('<br>', $errors->all()) !!}
+                        </div>
+                    @endif
+
+                    <form action="{{ url('admin/article/'.$article->id) }}" method="POST">
+                        {{ method_field('PATCH') }}
+                        {{ csrf_field() }}
+                        <input type="text" name="title" class="form-control" required="required" placeholder="请输入标题" value="{{ $article->title }}">
+                        <br>
+                        <textarea name="body" rows="10" class="form-control" required="required" placeholder="请输入内容">{{ $article->body }}</textarea>
+                        <br>
+                        <button class="btn btn-lg btn-info">提交修改</button>
+                    </form>
+
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+@endsection
diff --git a/resources/views/admin/article/index.blade.php b/resources/views/admin/article/index.blade.php
@@ -7,6 +7,12 @@
             <div class="panel panel-default">
                 <div class="panel-heading">文章管理</div>
                 <div class="panel-body">
+                    @if (count($errors) > 0)
+                        <div class="alert alert-danger">
+                            {!! implode('<br>', $errors->all()) !!}
+                        </div>
+                    @endif
+
                     <a href="{{ url('admin/article/create') }}" class="btn btn-lg btn-primary">新增</a>
 
                     @foreach ($articles as $article)
@@ -21,8 +27,8 @@
                         </div>
                         <a href="{{ url('admin/article/'.$article->id.'/edit') }}" class="btn btn-success">编辑</a>
                         <form action="{{ url('admin/article/'.$article->id) }}" method="POST" style="display: inline;">
-                            <input name="_method" type="hidden" value="DELETE">
-                            <input type="hidden" name="_token" value="{{ csrf_token() }}">
+                            {{ method_field('DELETE') }}
+                            {{ csrf_field() }}
                             <button type="submit" class="btn btn-danger">删除</button>
                         </form>
                     @endforeach