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Learning about the model and controller of the Laravel 5 framework and the basic flow of views

不言
不言 Original
2018-06-13 09:57:08 2452browse

This article introduces to you the basic process of models, controllers, and views in the Laravel5 framework. In fact, the MVC architecture pattern divides an interactive system into three components. Models contain core functionality and data. Views display information to the user. Controllers handle user input. Views and controllers together form the user interface.

Add route

Route::get('artiles', 'ArticlesController@index');

Create controller

php artisan make:controller ArticlesController --plain

Modify controller


      

You can see the returned JSON result in the browser, cool!

Modify the controller and return the view

public function index() { $articles = Article::all(); return view('articles.index', compact('articles')); }

Create the view

@extends('layout') @section('content') 

Articles

@foreach($articles as $article)

{{$article->title}}

{{$article->body}}

@endforeach @stop

Browse the results, COOL! ! ! !

Display a single article

Add a route to display detailed information

Route::get('articles/{id}', 'ArticlesController@show');

Among them, {id} is a parameter, indicating that you want The id of the displayed article, modify the controller:

public function show($id) { $article = Article::find($id); //若果找不到文章 if (is_null($article)) { //生产环境 APP_DEBUG=false abort(404); } return view('articles.show', compact('article')); }

laravel provides more convenient functions, modify the controller:

public function show($id) { $article = Article::findOrFail($id); return view('articles.show', compact('article')); }

It's cool.

New view

@extends('layout') @section('content') 

{{$article->title}}

{{$article->body}}
@stop

Try to access: /articles/1 /articles/2

Modify index view

@extends('layout') @section('content') 

Articles


@foreach($articles as $article) @endforeach @stop

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