Rif*_*ife 5 http-proxy node.js http-proxy-middleware
我想用 http-proxy-middleware 和 express 配置代理。规则是主机名的映射,例如:
http://123.com >> http://localhost:3000/123
http://456.com >> http://localhost:3000/abc
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我试过这样:
import express from 'express';
import http from 'http';
import proxy from 'http-proxy-middleware';
const app = express();
app.use( async function (req, res) {
let direction = 'http://localhost:3000';
console.log('hostname: ', req.hostname);
console.log('originalUrl: ', req.originalUrl);
if (req.hostname == '123.com') {
direction = `http://localhost:3000/123${req.originalUrl}`;
}
if (req.hostname == '456.com') {
direction = `http://localhost:3000/abc${req.originalUrl}`;
}
return await proxy({ target: direction, changeOrigin: false })
});
const server = http.createServer(app);
app.set('port', '127.0.0.1');
server.listen(9999, '0.0.0.0');
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但它不起作用。
您需要考虑以下几点:
我写了一个快速的快速应用程序来测试这个(请注意,我用localwebapp并localwebapp2指向 127.0.0.1覆盖了我的主机文件),它似乎工作正常:
const express = require('express')
const proxy = require('http-proxy-middleware')
const app = express();
const filter = (pathname, req) => {
if (req.hostname == 'localwebapp' || req.hostname == 'localwebapp2') {
return true;
}
return false;
};
app.get('/123*', (req, res) => {
res.send(`matched 123* route: ${req.path}`);
})
app.get('/abc*', (req, res) => {
res.send(`matched abc* route: ${req.path}`);
})
app.get('/test', (req, res) => {
res.send("matched non proxied route '/test'");
})
const apiProxy = proxy(filter, {
target: 'http://localhost:3000',
logLevel: 'debug',
changeOrigin: true,
pathRewrite: function (path, req) {
if (req.hostname == 'localwebapp') {
return `/123${req.originalUrl}`;
}
if (req.hostname == 'localwebapp2') {
return `/abc${req.originalUrl}`;
}
return path;
}
})
app.use(apiProxy)
app.listen(3000);
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