php框架入门推荐:laravel和codeigniter。搭建开发环境:安装php环境管理器(xampp或laragon)和php composer。创建laravel项目:使用composer或artisan命令行工具。创建codeigniter项目:克隆存储库并安装依赖项。实战案例:创建留言板,laravel和codeigniter提供了路由、控制器和视图的实现指南。

PHP框架可以帮助您快速且高效地构建强大且可维护的Web应用程序。对于初学者来说,选择合适的框架非常重要。
对于初学者,推荐以下两个PHP框架:
在开始使用PHP框架之前,您需要搭建开发环境。以下是如何在Windows系统上设置开发环境:
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bash composer global require laravel/installer codeigniter4/framework
要创建一个Laravel项目:
bash composer create-project laravel/laravel your-project-name
bash laravel new your-project-name
要创建一个CodeIgniter项目:
bash git clone https://github.com/codeigniter4/CodeIgniter4.git project-name
bash cd project-name composer install
bash cd your-project-name php artisan serve
bash cd project-name php spark serve
Laravel:
在routes/web.php中添加一个路由:
Route::get('/guestbook', 'GuestbookController@index');
Route::post('/guestbook', 'GuestbookController@store');创建GuestbookController.php控制器:
namespace App\Http\Controllers;
use Illuminate\Http\Request;
class GuestbookController extends Controller
{
public function index()
{
// 从数据库中获取消息
$messages = Message::all();
return view('guestbook', ['messages' => $messages]);
}
public function store(Request $request)
{
// 验证和存储来自表单的数据
$request->validate([
'name' => 'required',
'message' => 'required',
]);
Message::create($request->all());
return redirect()->back();
}
}创建resources/views/guestbook.blade.php视图:
@extends('layouts.app')
@section('content')
<h1>留言板</h1>
@foreach ($messages as $message)
<p><strong>{{ $message->name }}</strong></p>
<p>{{ $message->message }}</p>
<hr>
@endforeach
<form method="POST" action="{{ route('guestbook.store') }}">
@csrf
<label for="name">姓名:</label>
<input id="name" type="text" name="name">
<label for="message">留言:</label>
<textarea id="message" name="message"></textarea>
<button type="submit">提交</button>
</form>
@endsectionCodeIgniter:
在routes.php中添加一个路由组:
$routes->group('guestbook', ['namespace' => 'App\Controllers'], function($routes) {
$routes->get('', 'Guestbook::index');
$routes->post('', 'Guestbook::store');
});创建App\Controllers\Guestbook.php控制器:
<?php
namespace App\Controllers;
use CodeIgniter\I18n\Time;
use CodeIgniter\Model;
class Guestbook extends BaseController
{
public function index()
{
$messages = model('MessageModel')->findAll();
return view('guestbook', ['messages' => $messages]);
}
public function store()
{
$validation = $this->validate([
'name' => 'required',
'message' => 'required',
]);
if (!$validation) {
return redirect()->back()->withInput()->with('errors', $this->validator->getErrors());
}
$message = new Model([
'name' => $this->request->getPost('name'),
'message' => $this->request->getPost('message'),
'created_at' => Time::now(),
]);
if (model('MessageModel')->save($message)) {
return redirect()->back();
} else {
return redirect()->back()->withInput()->with('errors', ['general' => '保存留言失败']);
}
}
}创建app/Views/guestbook.php视图:
<!DOCTYPE html>
<html>
<head>
<title>留言板</title>
</head>
<body>
<h1>留言板</h1>
<?php foreach ($messages as $message): ?>
<p><strong><?= $message['name'] ?></strong></p>
<p><?= $message['message'] ?></p>
<hr>
<?php endforeach; ?>
<form method="POST" action="<?= base_url('guestbook') ?>">
<label for="name">姓名:</label>
<input id="name" type="text" name="name">
<label for="message">留言:</label>
<textarea id="message" name="message"></textarea>
<button type="submit">提交</button>
</form>
</body>
</html>以上就是PHP框架入门推荐:搭建开发环境教程的详细内容,更多请关注php中文网其它相关文章!
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