{"id":23345,"date":"2024-11-21T08:09:29","date_gmt":"2024-11-21T00:09:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23345\/"},"modified":"2024-11-21T08:09:29","modified_gmt":"2024-11-21T00:09:29","slug":"laravel%e5%bc%80%e5%8f%91%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8laravel-event-sourcing%e6%9e%84%e5%bb%ba%e4%ba%8b%e4%bb%b6%e9%a9%b1%e5%8a%a8%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23345\/","title":{"rendered":"Laravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Event Sourcing\u6784\u5efa\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\uff1f"},"content":{"rendered":"<p>\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528laravel event sourcing\u6784\u5efa\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\uff1f<\/p>\n<p>\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u662f\u4e00\u79cd\u5229\u7528\u4e8b\u4ef6\u548c\u4e8b\u4ef6\u5904\u7406\u5668\uff08Event 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Sourcing\u7684\u597d\u5904\u662f\u53ef\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5f53\u6211\u4eec\u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u4fee\u6539\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0d\u540c\u90e8\u5206\uff0c\u5e76\u4e14\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u5065\u58ee\u3002<\/p>\n<p>\u4f7f\u7528Laravel Event Sourcing\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u591a\u79cd\u6a21\u5f0f\uff0c\u5305\u62ecCQRS\uff08Command Query Responsibility Segregation\uff09\u6a21\u5f0f\u548cES\uff08Event Sourcing\uff09\u6a21\u5f0f\u3002<\/p>\n<p>3.\u5982\u4f55\u4f7f\u7528Laravel Event Sourcing\u6784\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\uff1f<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u6784\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u4efb\u52a1\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\uff0c\u7528\u6237\u53ef\u4ee5\u521b\u5efa\u548c\u5b8c\u6210\u4efb\u52a1\u3002<\/p>\n<p>\u6b65\u9aa4\u4e00\uff1a\u521b\u5efa\u4efb\u52a1<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4efb\u52a1\u6765\u6f14\u793a\u5982\u4f55\u4f7f\u7528Laravel Event Sourcing\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u201cTaskCreated\u201d\u4e8b\u4ef6\u6765\u5904\u7406\u521b\u5efa\u4efb\u52a1\u7684\u884c\u4e3a\u3002<\/p>\n<pre>php artisan make:event TaskCreated<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u4e8c\uff1a\u4e3a\u4efb\u52a1\u521b\u5efa\u4e8b\u4ef6\u5904\u7406\u5668<\/p>\n<p>\u4e00\u65e6\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u6211\u4eec\u5c31\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406\u8fd9\u4e2a\u4e8b\u4ef6\u3002\u73b0\u5728\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406\u201cTaskCreated\u201d\u4e8b\u4ef6\u3002<\/p>\n<pre>php artisan make:listener CreateTaskListener --event=TaskCreated<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u4e09\uff1a\u5c06\u4e8b\u4ef6\u548c\u4e8b\u4ef6\u5904\u7406\u5668\u7ed1\u5b9a\u5728\u4e00\u8d77<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u8981\u5c06\u4e8b\u4ef6\u548c\u4e8b\u4ef6\u5904\u7406\u5668\u7ed1\u5b9a\u5728\u4e00\u8d77\u3002\u6211\u4eec\u53ef\u4ee5\u5728Laravel\u7684EventServiceProvider\u6587\u4ef6\u4e2d\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre>protected $listen = [\n    TaskCreated::class =&amp;gt; [\n        CreateTaskListener::class,\n    ],\n];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u56db\uff1a\u4f7f\u7528\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406\u4efb\u52a1\u521b\u5efa\u4e8b\u4ef6<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6211\u4eec\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406\u4efb\u52a1\u521b\u5efa\u4e8b\u4ef6\u3002\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u7b2c\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u5668\u662fCreateTaskListener\uff0c\u5b83\u5c06\u5b9e\u9645\u521b\u5efa\u65b0\u4efb\u52a1\u3002<\/p>\n<pre>public function handle(TaskCreated $event)\n{\n    $task = new Task;\n    $task-&amp;gt;name = $event-&amp;gt;name;\n    $task-&amp;gt;save();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u4e94\uff1a\u4f7f\u7528Laravel Event Sourcing\u6765\u5b58\u50a8\u4e8b\u4ef6<\/p>\n<p>\u4f7f\u7528Laravel Event Sourcing\u53ef\u4ee5\u8ba9\u6211\u4eec\u5b58\u50a8\u548c\u6062\u590d\u4e8b\u4ef6\u3002\u6211\u4eec\u9700\u8981\u5728Laravel\u4e2d\u4f7f\u7528Event Sourcing\u5e93\uff0c\u6bd4\u5982Broadway\u5e93\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Laravel\u7684composer.json\u6587\u4ef6\u6765\u6dfb\u52a0Broadway\u5e93\uff1a<\/p>\n<pre>\"require\": {\n    \"broadway\/broadway\": \"^1.0\",\n    \"broadway\/serializer\": \"^1.0\",\n    \"broadway\/event-store\": \"^1.0\"\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Broadway\u5e93\uff1a<\/p>\n<pre>composer install<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u516d\uff1a\u4f7f\u7528Laravel Event Sourcing<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Laravel Event Sourcing\u6765\u5b58\u50a8\u4e8b\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u5b58\u50a8\u5668\uff0c\u6765\u5b58\u50a8\u548c\u68c0\u7d22\u4e8b\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u5728Laravel\u7684app\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aTaskEventStore.php\u7684\u7c7b\u6765\u5b9e\u73b0\u5b83\uff1a<\/p>\n<pre>use BroadwayEventStoreEventStore;\nuse BroadwayEventSourcingEventSourcingRepository;\n\nclass TaskEventStore extends EventSourcingRepository\n{\n    public function __construct(EventStore $eventStore)\n    {\n        parent::__construct(\n            $eventStore,\n            new TaskAggregateRootEventSourcedFactory(),\n            new TaskAggregateRootEventSourcedRepository()\n        );\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6211\u4eec\u9700\u8981\u5728TaskEventStore\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4e8b\u4ef6\u5b58\u50a8\u5e93\uff0c\u5e76\u4f7f\u7528Broadway\u5e93\u4e2d\u7684EventSourcingRepository\u6765\u5b58\u50a8\u4e8b\u4ef6\u3002\u6211\u4eec\u8fd8\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u805a\u5408\u6839\u5de5\u5382\u548c\u805a\u5408\u6839\u5b58\u50a8\u5e93\u6765\u7ba1\u7406\u6211\u4eec\u7684\u805a\u5408\u6839\u3002<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528TaskEventStore\u7c7b\u6765\u5b58\u50a8\u4e8b\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u5728CreateTaskListener\u4e8b\u4ef6\u5904\u7406\u5668\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>$eventStore = $this-&amp;gt;app-&amp;gt;make(TaskEventStore::class);\n$eventStream = new DomainEventStream([$event]);\n\n$aggregateRoot = $eventStore-&amp;gt;load($command-&amp;gt;taskId);\n$aggregateRoot-&amp;gt;handle($event);\n\n$eventStore-&amp;gt;save(\n    $aggregateRoot-&amp;gt;getUncommittedEvents(),\n    $aggregateRoot-&amp;gt;getId()\n);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e2a\u4ee3\u7801\u6bb5\u83b7\u53d6TaskEventStore\u7c7b\u7684\u5b9e\u4f8b\uff0c\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u6d41\uff0c\u52a0\u8f7d\u805a\u5408\u6839\uff0c\u8c03\u7528handle\u65b9\u6cd5\u5e76\u4fdd\u5b58\u672a\u63d0\u4ea4\u7684\u4e8b\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u4e5f\u9700\u8981\u5728Laravel\u7684ServiceProvider\u7c7b\u4e2d\u7ed1\u5b9aTaskEventStore\u7c7b\uff1a<\/p>\n<pre>$this-&amp;gt;app-&amp;gt;singleton(TaskEventStore::class, function ($app) {\n    $eventStore = new InMemoryEventStore;\n    return new TaskEventStore($eventStore);\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u4e03\uff1a\u67e5\u627e\u548c\u663e\u793a\u4efb\u52a1<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u4efb\u52a1\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u6211\u4eec\u7684\u67e5\u8be2\u6765\u5411\u7528\u6237\u663e\u793a\u6240\u6709\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aShowTasks\u7684\u547d\u4ee4\uff1a<\/p>\n<pre>php artisan make:command ShowTasks<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u7b2c\u4e00\u4e2a\u547d\u4ee4\u5904\u7406\u5668\u662fShowTasks\uff0c\u5b83\u5c06\u8fd4\u56de\u6240\u6709\u4efb\u52a1\uff0c\u4ee5\u4fbf\u5217\u8868\u663e\u793a\u3002<\/p>\n<pre>public function handle()\n{\n    $tasks = Task::all();\n    foreach ($tasks as $task) {\n        $this-&amp;gt;info(\"Name: {$task-&amp;gt;name}\");\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b65\u9aa4\u516b\uff1a\u6807\u8bb0\u4efb\u52a1\u4e3a\u5df2\u5b8c\u6210<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u8981\u6a21\u62df\u6807\u8bb0\u4efb\u52a1\u4e3a\u5df2\u5b8c\u6210\u7684\u884c\u4e3a\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u201cTaskCompleted\u201d\u4e8b\u4ef6\u6765\u8ddf\u8e2a\u8fd9\u4e2a\u884c\u4e3a\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u201cTaskCompleted\u201d\u4e8b\u4ef6\uff1a<\/p>\n<pre>php artisan make:event TaskCompleted<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aCompleteTaskHandler\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406\u8fd9\u4e2a\u4e8b\u4ef6\u3002<\/p>\n<pre>php artisan make:listener CompleteTaskHandler --event=TaskCompleted<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7ed1\u5b9a\u201cTaskCompleted\u201d\u4e8b\u4ef6\u548cCompleteTaskHandler\u4e8b\u4ef6\u5904\u7406\u5668\uff1a<\/p>\n<pre>protected $listen = [\n    TaskCreated::class =&amp;gt; [\n        CreateTaskListener::class,\n    ],\n    TaskCompleted::class =&amp;gt; [\n        CompleteTaskHandler::class,\n    ],\n];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u7b2c\u4e8c\u4e2a\u4e8b\u4ef6\u5904\u7406\u5668\u662fCompleteTaskHandler\uff0c\u5b83\u5c06\u8bbe\u7f6e\u4efb\u52a1\u72b6\u6001\u4e3a\u5df2\u5b8c\u6210\u3002<\/p>\n<pre>public function handle(TaskCompleted $event)\n{\n    $task = Task::where('name', $event-&amp;gt;name)-&amp;gt;firstOrFail();\n    $task-&amp;gt;completed = true;\n    $task-&amp;gt;save();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u81f3\u6b64\uff0c\u6211\u4eec\u6210\u529f\u5730\u521b\u5efa\u4e86\u4e00\u4e2a\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u7528\u6237\u53ef\u4ee5\u521b\u5efa\u3001\u5b8c\u6210\u548c\u663e\u793a\u4efb\u52a1\u5217\u8868\u3002<\/p>\n<p>\u7ed3\u8bba<\/p>\n<p>\u4f7f\u7528Laravel Event Sourcing\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6784\u5efa\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u5177\u6709\u66f4\u9ad8\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5e76\u4e14\u66f4\u52a0\u7075\u6d3b\u3002\u901a\u8fc7Laravel Event 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-23345","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=23345"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23345\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}