Workerman に基づいた同時実行性の高いオンライン注文システムの実装

<?php
$url = 'http://localhost:8080';
$data = [
    'user_id' => 1,
    'dish_id' => 1,
    'quantity' => 2
];
$options = [
    'http' => [
        'method' => 'POST',
        'header' => 'Content-Type: application/json',
        'content' => json_encode($data)
    ]
];
$context = stream_context_create($options);
$result = file_get_contents($url, false, $context);
echo $result;

<?php
require_once __DIR__ . '/Workerman/Autoloader.php';

use WorkermanWorker;

$worker = new Worker('http://0.0.0.0:8080');
$worker->count = 4;

$worker->onMessage = function ($connection, $data) {
    $data = json_decode($data, true);
    // 处理订餐请求，包括验证用户信息、库存检查、生成订单等逻辑
    // ...
    $response = [
        'status' => 200,
        'message' => 'Order placed successfully'
    ];
    $connection->send(json_encode($response));
};

Worker::runAll();

CREATE TABLE `users` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(50) NOT NULL,
  `email` varchar(50) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE `dishes` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(50) NOT NULL,
  `price` decimal(10,2) NOT NULL,
  `quantity` int(11) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE `orders` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `user_id` int(11) NOT NULL,
  `dish_id` int(11) NOT NULL,
  `quantity` int(11) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;