var createError = require('http-errors');
|
var express = require('express');
|
const cors = require('cors');
|
var path = require('path');
|
var cookieParser = require('cookie-parser');
|
var logger = require('morgan');
|
|
var indexRouter = require('./routes/index');
|
var usersRouter = require('./routes/users');
|
|
const proxy = require('express-http-proxy');
|
const { createProxyMiddleware } = require('http-proxy-middleware');
|
|
var app = express();
|
//在传输内容或者上传文件时，系统默认大小为100kb，这时，我们需要修改系统限制
|
//感谢 HC141221 兄弟 贡献 http://bbs.homecommunity.cn/pages/bbs/topic.html?topicId=102022101723500172
|
// 这里会影响文件上传
|
// var bodyParser = require('body-parser');
|
// app.use(bodyParser.json({
|
// limit: '50mb'
|
// }));
|
// app.use(express.urlencoded({ limit: '50mb', extended: true }));
|
|
// view engine setup
|
app.set('views', path.join(__dirname, 'views'));
|
app.set('view engine', 'jade');
|
|
app.use(logger('dev'));
|
// 使用cors中间件
|
app.use(cors());
|
// 反向代理（这里把需要进行反代的路径配置到这里即可）
|
let opts = {
|
preserveHostHdr: true,
|
// 添加limit选项，支持50MB大文件上传
|
limit: "50mb",
|
//转发之前触发该方法
|
proxyReqPathResolver: function (req, res) {
|
//这个代理会把匹配到的url（下面的 ‘/api’等）去掉，转发过去直接404，这里手动加回来，
|
req.url = req.baseUrl + req.url;
|
//console.log(1,req,res)
|
return require('url').parse(req.url).path;
|
},
|
// 修改代理请求的选项，包括请求头
|
proxyReqOptDecorator: function(proxyReqOpts, srcReq) {
|
// 确保USER-ID请求头被传递
|
if (!proxyReqOpts.headers['USER-ID']) {
|
proxyReqOpts.headers['USER-ID'] = '-1';
|
}
|
// 确保VERSION请求头被传递
|
if (!proxyReqOpts.headers['VERSION']) {
|
proxyReqOpts.headers['VERSION'] = 'v1.8';
|
}
|
// 确保APP-ID请求头被传递
|
if (!proxyReqOpts.headers['APP-ID']) {
|
proxyReqOpts.headers['APP-ID'] = '8000418004';
|
}
|
// 确保TRANSACTION-ID请求头被传递
|
if (!proxyReqOpts.headers['TRANSACTION-ID']) {
|
proxyReqOpts.headers['TRANSACTION-ID'] = require('uuid').v4();
|
}
|
// 确保REQ-TIME请求头被传递
|
if (!proxyReqOpts.headers['REQ-TIME']) {
|
// 生成YYYYMMDDHHMISS格式的时间戳
|
let now = new Date();
|
let year = now.getFullYear();
|
let month = String(now.getMonth() + 1).padStart(2, '0');
|
let day = String(now.getDate()).padStart(2, '0');
|
let hours = String(now.getHours()).padStart(2, '0');
|
let minutes = String(now.getMinutes()).padStart(2, '0');
|
let seconds = String(now.getSeconds()).padStart(2, '0');
|
proxyReqOpts.headers['REQ-TIME'] = `${year}${month}${day}${hours}${minutes}${seconds}`;
|
}
|
return proxyReqOpts;
|
}
|
}
|
|
// todo 测试环境 测试使用，生产环境请用nginx带来
|
// app.use('/callComponent', proxy('http://192.168.100.108:8088', opts));
|
// app.use('/app', proxy('http://192.168.100.108:8088', opts));
|
// app.use('/ws', createProxyMiddleware({
|
// target: 'http://192.168.100.108:8008',
|
// changeOrigin: true,
|
// ws: true
|
// }));
|
|
// app.use('/ws', proxy('http://192.168.100.109:8008', opts));
|
// app.use('/callComponent', proxy('http://192.168.100.109:8008', opts));
|
// app.use('/app', proxy('http://192.168.100.109:8008', opts));
|
|
// todo 本机 开发用，生产环境请用nginx带来
|
// app.use('/ws', proxy('http://192.168.31.222:8008', opts));
|
// app.use('/callComponent', proxy('http://192.168.31.222:8008', opts));
|
// app.use('/app', proxy('http://192.168.31.222:8008', opts));
|
|
app.use('/ws', createProxyMiddleware({
|
target: 'http://192.168.31.179:8008',
|
changeOrigin: true,
|
ws: true
|
}));
|
app.use('/callComponent', proxy('http://192.168.31.179:8008', opts));
|
app.use('/app', proxy('http://192.168.31.179:8008', opts));
|
// .split(' ')[0]
|
|
// todo 本机 开发用，生产环境请用nginx带来
|
// app.use('/ws', proxy('http://47.92.223.85:8008', opts));
|
// app.use('/callComponent', proxy('http://47.92.223.85:8008', opts));
|
// app.use('/app', proxy('http://47.92.223.85:8008', opts));
|
|
//app.listen(3000);
|
// 增加默认中间件的大小限制，支持大文件上传
|
app.use(express.json({ limit: '50mb' }));
|
app.use(express.urlencoded({ limit: '50mb', extended: false }));
|
app.use(cookieParser());
|
app.use(express.static(path.join(__dirname, 'public')));
|
|
app.use('/', indexRouter);
|
app.use('/users', usersRouter);
|
|
|
// catch 404 and forward to error handler
|
app.use(function (req, res, next) {
|
next(createError(404));
|
});
|
|
// error handler
|
app.use(function (err, req, res, next) {
|
// set locals, only providing error in development
|
res.locals.message = err.message;
|
res.locals.error = req.app.get('env') === 'development' ? err : {};
|
|
// render the error page
|
res.status(err.status || 500);
|
res.render('error');
|
});
|
|
module.exports = app;
|
