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Yii2-Swoole 快速入门

让你的 Yii2 应用性能提升 10-100 倍！本教程将教你如何在 yii2-app-basic 中快速集成 yii2-swoole。

为什么使用 yii2-swoole？

⚡ 比 PHP-FPM 快 10-100 倍

🔄 数据库和 Redis 连接池自动管理

🚀 协程并发处理请求

💻 代码几乎不需要修改

系统要求

PHP >= 8.1

Swoole >= 6.0

Yii2 >= 2.0

安装 Swoole

pecl install swoole

在 php.ini 中添加：

extension=swoole.so

验证：

php --ri swoole

快速开始

1. 安装扩展

composer require dacheng-php/yii2-swoole

2. 创建配置文件

创建 config/swoole.php：

<?php

return [

'bootstrap' => [

[

'class' => \Dacheng\Yii2\Swoole\Bootstrap::class,

'componentId' => 'swooleHttpServer',

'memoryLimit' => '2G',

],

],

'components' => [

'swooleHttpServer' => [

'class' => \Dacheng\Yii2\Swoole\Server\HttpServer::class,

'host' => '127.0.0.1',

'port' => 9501,

'documentRoot' => __DIR__ . '/../web',

'settings' => [

'max_coroutine' => 100000,

'log_level' => SWOOLE_LOG_WARNING,

],

'dispatcher' => new \Dacheng\Yii2\Swoole\Server\RequestDispatcher(

__DIR__ . '/web.php'

),

],

],

];

3. 修改 Web 配置

编辑 config/web.php，在 return $config; 之前添加：

// 合并 Swoole 配置

$swooleConfig = require __DIR__ . '/swoole.php';

$config = \yii\helpers\ArrayHelper::merge($swooleConfig, $config);

4. 启动服务器

php yii swoole/start

访问 http://127.0.0.1:9501 即可！

停止服务器：

php yii swoole/stop

# 或按 Ctrl+C

进阶功能

数据库连接池

在 config/swoole.php 中添加：

'db' => [

'class' => \Dacheng\Yii2\Swoole\Db\CoroutineDbConnection::class,

'dsn' => 'mysql:host=127.0.0.1;dbname=your_database',

'username' => 'root',

'password' => '',

'charset' => 'utf8mb4',

'poolMaxActive' => 20,

'poolWaitTimeout' => 5.0,

],

使用方式与标准 Yii2 完全相同，连接池自动管理。

Redis 连接池

composer require yiisoft/yii2-redis

在 config/swoole.php 中添加：

'redis' => [

'class' => \Dacheng\Yii2\Swoole\Redis\CoroutineRedisConnection::class,

'hostname' => '127.0.0.1',

'port' => 6379,

'poolMaxActive' => 20,

'poolWaitTimeout' => 5.0,

],

'cache' => [

'class' => \Dacheng\Yii2\Swoole\Cache\CoroutineRedisCache::class,

'redis' => 'redis',

],

'session' => [

'class' => \Dacheng\Yii2\Swoole\Session\CoroutineSession::class,

'redis' => 'redis',

],

异步队列

composer require yiisoft/yii2-queue

配置：

'bootstrap' => [

// ...

'queue',

],

'components' => [

'queue' => [

'class' => \Dacheng\Yii2\Swoole\Queue\CoroutineRedisQueue::class,

'redis' => 'redis',

'channel' => 'queue',

'concurrency' => 10,

],

],

创建任务 jobs/EmailJob.php：

<?php

namespace app\jobs;

class EmailJob extends \yii\base\BaseObject implements \yii\queue\JobInterface

{

public $to;

public $subject;

public function execute($queue)

{

// 发送邮件

\Yii::$app->mailer->compose()

->setTo($this->to)

->setSubject($this->subject)

->send();

}

}

使用：

Yii::$app->queue->push(new EmailJob([

'to' => 'user@example.com',

'subject' => '测试',

]));

协程 HTTP 客户端

配置：

'httpClient' => [

'class' => \Dacheng\Yii2\Swoole\HttpClient\CoroutineClient::class,

'transport' => [

'class' => \Dacheng\Yii2\Swoole\HttpClient\CoroutineTransport::class,

],

],

使用：

// 单个请求

$response = Yii::$app->httpClient->get('https://api.example.com/users')->send();

// 批量并发请求

$requests = [

'users' => Yii::$app->httpClient->get('https://api.example.com/users'),

'posts' => Yii::$app->httpClient->get('https://api.example.com/posts'),

];

$responses = Yii::$app->httpClient->batchSend($requests);

完整配置

config/swoole.php 示例：

<?php

return [

'bootstrap' => [

[

'class' => \Dacheng\Yii2\Swoole\Bootstrap::class,

'componentId' => 'swooleHttpServer',

],

'queue',

],

'components' => [

'swooleHttpServer' => [

'class' => \Dacheng\Yii2\Swoole\Server\HttpServer::class,

'host' => '127.0.0.1',

'port' => 9501,

'documentRoot' => __DIR__ . '/../web',

'dispatcher' => new \Dacheng\Yii2\Swoole\Server\RequestDispatcher(__DIR__ . '/web.php'),

],

'db' => [

'class' => \Dacheng\Yii2\Swoole\Db\CoroutineDbConnection::class,

'dsn' => 'mysql:host=127.0.0.1;dbname=myapp',

'username' => 'root',

'password' => '',

'poolMaxActive' => 20,

],

'redis' => [

'class' => \Dacheng\Yii2\Swoole\Redis\CoroutineRedisConnection::class,

'hostname' => '127.0.0.1',

'poolMaxActive' => 20,

],

'cache' => [

'class' => \Dacheng\Yii2\Swoole\Cache\CoroutineRedisCache::class,

'redis' => 'redis',

],

'session' => [

'class' => \Dacheng\Yii2\Swoole\Session\CoroutineSession::class,

'redis' => 'redis',

],

'queue' => [

'class' => \Dacheng\Yii2\Swoole\Queue\CoroutineRedisQueue::class,

'redis' => 'redis',

],

],

];

常见问题

代码修改后不生效？

重启服务器：Ctrl+C 停止后重新启动（Swoole 常驻内存）

无法启动？

检查 Swoole 是否安装：php --ri swoole

检查端口占用：lsof -i:9501

连接超时？

增加 poolMaxActive 和 poolWaitTimeout 参数

静态文件 404？

确认 documentRoot 指向正确的 web 目录

生产部署

Systemd 服务

创建 /etc/systemd/system/yii2-app.service：

[Unit]

Description=Yii2 Swoole

After=network.target

[Service]

Type=simple

User=www-data

WorkingDirectory=/var/www/my-app

ExecStart=/usr/bin/php /var/www/my-app/yii swoole/start

Restart=on-failure

[Install]

WantedBy=multi-user.target