feat(server): 重构服务端架构并集成MySQL数据库

- 添加MySQL数据库配置，包含主机地址、端口、用户名、密码和数据库名
- 创建独立的Koa服务器模块，包含路由配置和静态文件服务
- 实现MySQL连接池配置，支持命名占位符查询格式化
- 调整项目入口文件结构，分离MySQL和Koa服务模块
- 更新package.json配置，修改主入口文件并添加mysql2依赖

module/server/config/index.js

@@ -1,3 +1,9 @@
 export default {
-
+  mysql: {
+    host: '192.168.25.110',
+    port: 3307,
+    user: 'root',
+    password: 'mysql_Adkijc',
+    database: 'mir_web'
+  }
 }

module/server/index.js

@@ -1,29 +1,2 @@
-import Koa from 'koa';
+import "./mysql/index.js"
-import Router from 'koa-router';
+import "./koa/index.js"
-import config from "./config/index.js"
-import koaStatic from 'koa-static';
-
-const app = new Koa();
-const router = new Router();
-
-// 简单的路由示例
-router.get('/', (ctx) => {
-  ctx.body = {message: 'Hello from Koa server!'};
-});
-
-router.get('/api/test', (ctx) => {
-  ctx.body = {message: 'This is a test API endpoint'};
-});
-
-router.get('/api/config', (ctx) => {
-  ctx.body = {data: config}
-})
-app.use(router.routes());
-app.use(router.allowedMethods());
-app.use(koaStatic('/www'))
-
-const PORT = process.env.PORT || 3001;
-
-app.listen(PORT, () => {
-  console.log(`Koa server is running on port ${PORT}`);
-});

module/server/koa/index.js

@@ -0,0 +1,29 @@
+import Koa from 'koa';
+import Router from 'koa-router';
+import config from "../config/index.js"
+import koaStatic from 'koa-static';
+
+const app = new Koa();
+const router = new Router();
+
+// 简单的路由示例
+router.get('/', (ctx) => {
+  ctx.body = {message: 'Hello from Koa server!'};
+});
+
+router.get('/api/test', (ctx) => {
+  ctx.body = {message: 'This is a test API endpoint'};
+});
+
+router.get('/api/config', (ctx) => {
+  ctx.body = {data: config}
+})
+app.use(router.routes());
+app.use(router.allowedMethods());
+app.use(koaStatic('/www'))
+
+const PORT = process.env.PORT || 3001;
+
+app.listen(PORT, () => {
+  console.log(`Koa server is running on port ${PORT}`);
+});

module/server/mysql/index.js

@@ -0,0 +1,18 @@
+import mysql from "mysql2";
+import config from "../config/index.js";
+
+const pool = mysql.createPool({
+  ...config.mysql,
+  queryFormat: function (sql, values) {
+    const opts = { sql, values }
+    this._resolveNamedPlaceholders(opts)
+    return mysql2.format(
+      opts.sql,
+      opts.values,
+      this.config.stringifyObjects,
+      this.config.timezone
+    )
+  }
+});
+
+export default pool.promise();

module/server/package.json

@@ -2,7 +2,7 @@
   "name": "chuanqi-server",
   "version": "1.0.0",
   "description": "A simple Koa server for chuanqi web",
-  "main": "index.js",
+  "main": "koa/index.js",
   "type": "module",
   "scripts": {
     "start": "node index.js",
@@ -11,6 +11,7 @@
   "dependencies": {
     "koa": "^2.15.0",
     "koa-router": "^12.0.0",
-    "koa-static": "^5.0.0"
+    "koa-static": "^5.0.0",
+    "mysql2": "^3.16.0"
   }
 }