基础数据-校区服务

app/Exception/BusinessException.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+use Hyperf\Server\Exception\ServerException;
+use Throwable;
+
+class BusinessException extends ServerException
+{
+    /**
+     * 业务异常.
+     * @param int $code 错误码
+     * @param string $message 错误消息
+     */
+    public function __construct(int $code = 500, string $message = '', ?Throwable $previous = null)
+    {
+        if (empty($message)) {
+            $message = $this->getDefaultMessage($code);
+        }
+
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * 获取默认错误消息.
+     */
+    private function getDefaultMessage(int $code): string
+    {
+        $messages = [
+            400 => '请求参数错误',
+            401 => '未授权',
+            403 => '禁止访问',
+            404 => '资源不存在',
+            500 => '服务器内部错误',
+            10001 => '校区不存在',
+            10002 => '校区已存在',
+            10003 => '父级校区不存在',
+            10004 => '层级参数错误',
+        ];
+
+        return $messages[$code] ?? '业务处理失败';
+    }
+}