feat: 添加日志输出

index.js

@@ -4,15 +4,47 @@ const bodyParser = require("koa-bodyparser");
 const cors = require("koa2-cors");
 const serve = require("koa-static");
 const views = require("koa-views");
+const winston = require("winston");
+const path = require("path");
 
 const app = new Koa();
 const net = require("net");
 const router = require("./routes");
+const { createLogger, format, transports } = winston;
 
 // 配置信息
 let domain = process.env.ALLOWED_DOMAIN || "*";
 let port = process.env.PORT || 6688;
 
+// 配置 log
+const log = createLogger({
+  format: format.combine(
+    format.timestamp(),
+    format.printf(({ timestamp, level, message }) => `[${timestamp}] [${level}] ${message}`),
+  ),
+  transports: [
+    new transports.Console(),
+    new transports.File({
+      filename: path.join(__dirname, "logs", "app.log"),
+      maxsize: 2 * 1024 * 1024,
+    }),
+  ],
+});
+
+// 重新定义 console
+console.log = (...args) => {
+  log.info(args.join(" "));
+};
+console.info = (...args) => {
+  log.info(args.join(" "));
+};
+console.warn = (...args) => {
+  log.warn(args.join(" "));
+};
+console.error = (...args) => {
+  log.error(args.join(" "));
+};
+
 // 解析请求体
 app.use(bodyParser());
 
@@ -50,7 +82,7 @@ app.use(router.allowedMethods());
 // 启动应用程序并监听端口
 const startApp = (port) => {
   app.listen(port, () => {
-    console.log(`成功在 ${port} 端口上运行`);
+    log.info(`成功在 ${port} 端口上运行`);
   });
 };
 
@@ -61,7 +93,7 @@ const checkPort = (port) => {
       .createServer()
       .once("error", (err) => {
         if (err.code === "EADDRINUSE") {
-          console.log(`端口 ${port} 已被占用, 正在尝试其他端口...`);
+          log.info(`端口 ${port} 已被占用, 正在尝试其他端口...`);
           server.close();
           resolve(false);
         } else {