Node 代理 Demo 示例

index.js

var express = require('express');
const path = require('path');
const http = require('http');
// 引入json解析中间件 解决上传内容太多失败
let bodyParser = require('body-parser');
var { createProxyMiddleware } = require('http-proxy-middleware');

var app = express();
// console.log(proxy);


app.use('/qwee', createProxyMiddleware({
    target: 'http://127.0.0.1', //转发到的地址
    changeOrigin: true, // needed for virtual hosted sites
    // ws: true, // 代理websocket
    pathRewrite: {
        '^/qwee': '', // rewrite path
    },

    // router: {
    //     // 当请求localhost:3000/api时，会转发到http://localhost:8080,
    //     'http://localhost:8888/qwee/qqqq': 'http://127.0.0.1'
    // }
}))
app.use('/wer', createProxyMiddleware({
    target: 'http://127.0.0.1', //转发到的地址
    changeOrigin: true, // needed for virtual hosted sites
    // ws: true, // 代理websocket
    pathRewrite: {
        '^/wer': '', // rewrite path
    },

    // router: {
    //     // 当请求localhost:3000/api时，会转发到http://localhost:8080,
    //     'http://localhost:8888/qwee/qqqq': 'http://127.0.0.1'
    // }
}))


app.use(bodyParser.json({ limit: '50mb' }));
app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));

app.use(express.static(path.join(__dirname, './')))
app.use('/data', require('./routes.js'));

// 创建服务
let port = 8888;
let server = app.listen(port);

server.on('error', (error) => {
    reject(error)
});
server.on('listening', async () => {

    console.log(`Service ${port} port started successfully`);

});

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routes.js

const express = require("express");
const router = express.Router(); 

// 获取所有数据
router.get('/get', (req, res, next) => {
    let { pageSize, pageNo, page_id, _id, bid } = req.query;

    res.json({ data: 200 });

})

module.exports = router;

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index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
</head>

<body>
    <script>
        
        axios.get('http://localhost:8888/qwee/swd/deploy/get?pageNo=1&pageSize=10')
            .then(function (response) {
                console.log(response);
            })
            .catch(function (error) {
                console.log(error);
            });
        axios.get('http://localhost:8888/wer/swd/deploy/get?pageNo=1&pageSize=10')
            .then(function (response) {
                console.log(response);
            })
            .catch(function (error) {
                console.log(error);
            });
    </script>
</body>

</html>

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#NodeJs

上次更新: 2024/01/30, 00:35:17

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