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
