feat: 新增实验 7 的第 2 部分

Server/tests/test7/7.1/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "test7",
+  "name": "7.1",
   "version": "1.0.0",
   "description": "",
   "main": "index.js",

Server/tests/test7/7.2/index.js

@@ -0,0 +1,30 @@
+const Koa = require("koa");
+const Router = require("@koa/router");
+
+const app = new Koa();
+const router = new Router();
+
+app.use(async (ctx, next) => {
+    ctx.set("Content-type", "application/json")
+    await next();
+})
+
+router.get("/", async (ctx) => {
+    ctx.body = "Welcome to theKoaServer!";
+})
+
+router.get("/about", async (ctx) => {
+    ctx.body = "This is the about page.";
+})
+
+router.get("/contact", (ctx) => {
+    ctx.body = "This is the contact page."
+})
+
+app.use(router.routes()).use(router.allowedMethods());
+
+const port = 3000;
+
+app.listen(port, () => {
+    console.log(`Server is running on http://localhost:${port}`);
+})

Server/tests/test7/7.2/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "7.2",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "packageManager": "pnpm@10.14.0",
+  "dependencies": {
+    "@koa/router": "^15.1.0",
+    "koa": "^3.1.1"
+  }
+}