最近因为工作需要，要在项目中接入大华nvr视频及相关控制功能，实操过程中发现nginx在国产系统里存在兼容性问题，于是考虑在nodejs程序中，利用nodejs自带的代理模块，内建nvr视频接口代理转发。现将代码贴出，以备参考：
const proxy = require('http-proxy');const proxyServer = proxy.createProxyServer({ChangeOrigin: true,ws: true, ignorePath: true
});proxyServer.on('error', (err, req, res)=>{
// logWorker.addLog('error:', err);res.status(502).end();
});proxyServer.on('proxyReq', (proxyReq, req, res, options)=>{// if(options.href.substr(-1) == '/'){// options.href = options.hres.substr(0, options.href.length - 2);// }
});proxyServer.on('upgrade', (req, socket, head)=>{proxyServer.ws(req, socket, head);
});app.use('/RPC2', (req, res)=>{proxyServer.proxyRequest(req, res, {target: 'http://' + req.headers['self-targetip'] + '/RPC2'});
});app.use('/RPC2_Login', (req, res)=>{proxyServer.proxyRequest(req, res, {target: 'http://' + req.headers['self-targetip'] + '/RPC2_Login'});
});app.use('/RPC2_Loadfiles', (req, res)=>{proxyServer.proxyRequest(req, res, {target: 'http://' + req.headers['self-targetip'] + '/RPC2_Loadfiles'});
})app.use('/web_caps', (req, res)=>{proxyServer.proxyRequest(req, res, {target: 'http://' + req.headers['self-targetip'] + '/webCapsConfig'});
})
