Laravel 系列入门教程（四）【最适合中国人的 La…

Route::resource('photo', 'PhotoController');

public function create()
{
    return view('admin/article/create');
}

@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/articles') }}" 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

<form action="{{ url('admin/articles') }}" 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>

<input type="hidden" name="_token" value="{{ csrf_token() }}">

public function store(Request $request)
{
    $this->validate($request, [
        'title' => 'required|unique:articles|max:255',
        'body' => 'required',
    ]);

    $article = new Article;
    $article->title = $request->get('title');
    $article->body = $request->get('body');
    $article->user_id = $request->user()->id;

    if ($article->save()) {
        return redirect('admin/articles');
    } else {
        return redirect()->back()->withInput()->withErrors('保存失败！');
    }
}

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/articles'); // 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！');
    }
}

<form action="{{ url('admin/articles/'.$article->id) }}" method="POST" style="display: inline;">
    {{ method_field('DELETE') }}
    {{ csrf_field() }}
    <button type="submit" class="btn btn-danger">删除</button>
</form>

public function destroy($id)
{
    Article::find($id)->delete();
    return redirect()->back()->withInput()->withErrors('删除成功！');
}