课程代码

nodejs/nodeExperiment4/app.js

@@ -0,0 +1,47 @@
+const express = require('express');
+const Bodyparser = require('body-parser');
+const cors = require('cors');
+// const jsonp = require('express-jsonp');
+const app = express();
+
+
+const corsOptions = {
+    origin: 'http://localhost',
+    methods: ['GET', 'POST'],
+    allowedHeaders: ['Content-Type', 'Authorization','jsonp']
+};
+
+app.use(Bodyparser.urlencoded({ extended: true }));
+app.use(Bodyparser.json());
+app.use(cors(corsOptions));
+// app.use(jsonp());
+
+
+app.get('/api/data', (req, res) => {
+    const data = [
+        { id: 1, name: "张三", age: 20, gender: "男" },
+        { id: 2, name: "李四", age: 22, gender: "女" }
+    ];
+    res.send(data);
+});
+
+
+app.post('/api/data', (req, res) => {
+    const newData = req.body;
+    console.log("Recevied new data: ", newData);
+    res.status(201).json({ msg: '已添加', data: newData });
+})
+
+
+app.get('/api/jsonp', (req, res) => {
+    const data = [
+        { id: 1, name: "张三", age: 20, gender: "男" },
+        { id: 2, name: "李四", age: 22, gender: "女" },
+    ];
+    res.jsonp(data);
+})
+
+const port = 3000;
+app.listen(port, () => {
+    console.log(`服务器启动成功，端口号为${port}`);
+})