94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
import express from "express";
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import * as fs from "fs";
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import bodyParser from "body-parser";
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import cors from "cors";
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const app = express();
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const port = 3001;
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app.use(bodyParser.json());
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app.use(bodyParser.urlencoded({ extended: true }));
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// 自定义 CORS 配置
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const corsOptions = {
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origin: '*',
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methods: ['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'HEAD', 'OPTIONS'],
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allowedHeaders: ['Origin', 'X-Requested-With', 'Content-Type', 'Accept', 'X-Requested-With,content-type', 'IR-Custom-Header'],
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exposedHeaders: ['X-Powered-By'],
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optionsSuccessStatus: 200, // 设置 OPTIONS 请求成功时的状态码为 200
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credentials: true
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};
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app.use(cors(corsOptions));
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// 处理 GET 请求
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app.get('/', (req, res) => {
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res.send('Hello Inula Request!');
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})
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app.get('/data', (req, res) => {
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const data = {
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message: 'Hello Inula Request!',
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};
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res.setHeader('Content-Type', 'application/json');
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res.send(JSON.stringify(data));
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});
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app.get('/download', (req, res) => {
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const filePath = 'D:\\code\\MRcode\\inula-Request\\examples\\request\\downloadTest.html';
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const fileName = 'downloadTest.html';
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const fileSize = fs.statSync(filePath).size;
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if (fs.existsSync(filePath)) {
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res.setHeader('Content-Disposition', `attachment; filename=${fileName}`);
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res.setHeader('Content-Type', 'application/octet-stream');
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res.setHeader('Content-Length', fileSize);
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const fileStream = fs.createReadStream(filePath);
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fileStream.pipe(res);
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} else {
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res.status(404).send('File not found');
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}
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});
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// 处理 POST 请求
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app.post('/', (req, res) => {
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res.send('Got a POST request!');
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});
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// 处理 PUT 请求
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app.put('/users', (req, res) => {
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res.send('Got a PUT request at /users');
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});
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// 处理 DELETE 请求
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app.delete('/users', (req, res) => {
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res.send('Got a DELETE request at /users');
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});
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// 处理 HEAD 请求
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app.head('/', (req, res) => {
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res.setHeader('x-powered-by', 'Express');
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res.json({ 'x-powered-by': 'Express' });
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res.sendStatus(200);
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});
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// 处理 OPTIONS 请求
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app.options('/', (req, res) => {
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res.sendStatus(200);
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});
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// 处理 PATCH 请求
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app.patch('/', (req, res) => {
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const name = req.body.name;
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const message = `Hello, ${name}! Your name has been updated.`;
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res.setHeader('Content-Type', 'text/plain');
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res.send(message);
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});
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// 启动服务器
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app.listen(port, () => {
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console.log(`Server listening on port ${port}`);
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});
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