feature:add AsyncTaskAcquirer

Author: normal-ai

src/main/AsyncTaskAcquirer.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace cathy\AsyncTask\main;
+
+use Exception;
+use think\facade\Cache;
+
+/**
+ * 异步任务获取器
+ */
+class AsyncTaskAcquirer
+{
+    /**
+     * @throws Exception
+     */
+    public static function get($taskKey) {
+        $taskKey = 'async_task_'.$taskKey;
+        if (Cache::has($taskKey)) {
+            throw new Exception('任务不存在');
+        }
+        return Cache::get($taskKey);
+    }
+}