From 0150dc3ccbbd35debb0ced5b027a63314a0d5cfe Mon Sep 17 00:00:00 2001
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 <mxp131011@qq.com>
Date: Sat, 14 Mar 2026 14:24:09 +0800
Subject: [PATCH] =?UTF-8?q?feat(database):=20=E9=85=8D=E7=BD=AE=20MikroORM?=
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- 导入 EntityMetadata 和 Platform 类型定义
- 添加 entityGenerator 配置选项
- 实现 onProcessedMetadata 回调函数
- 将数据库 bigint 类型转换为 TypeScript number 类型
- 保留原始列类型信息用于数据库操作
---
 node_api/src/mikro-orm.config.ts | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/node_api/src/mikro-orm.config.ts b/node_api/src/mikro-orm.config.ts
index dc6644d..1befbc9 100644
--- a/node_api/src/mikro-orm.config.ts
+++ b/node_api/src/mikro-orm.config.ts
@@ -1,4 +1,4 @@
-import { defineConfig } from '@mikro-orm/mysql';
+import { type EntityMetadata, type Platform, defineConfig } from '@mikro-orm/mysql';
 import { EntityGenerator } from '@mikro-orm/entity-generator';
 import dotenv from 'dotenv';
 import path from 'path';
@@ -15,4 +15,18 @@ export default defineConfig({
   charset: 'utf8mb4',
   multipleStatements: true,
   extensions: [EntityGenerator],
+  // 生成实体时的配置
+  entityGenerator: {
+    // 在元数据处理阶段将 bigint 转换为 number
+    onProcessedMetadata: (metadata: EntityMetadata[], _platform: Platform) => {
+      metadata.forEach((meta) => {
+        Object.values(meta.properties).forEach((prop) => {
+          // 将 bigint 类型转换为 number，但保留 columnTypes 为 bigint
+          if (prop.columnTypes?.[0] === 'bigint' || prop.type === 'bigint') {
+            prop.type = 'number';
+          }
+        });
+      });
+    },
+  },
 });