var createError = require('http-errors');
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var express = require('express');
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const cors = require('cors');
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var path = require('path');
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var cookieParser = require('cookie-parser');
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var logger = require('morgan');
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var indexRouter = require('./routes/index');
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var usersRouter = require('./routes/users');
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const proxy = require('express-http-proxy');
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const { createProxyMiddleware } = require('http-proxy-middleware');
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var app = express();
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//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
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//感谢 HC141221 兄弟 贡献 http://bbs.homecommunity.cn/pages/bbs/topic.html?topicId=102022101723500172
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// 这里会影响文件上传
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// var bodyParser = require('body-parser');
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// app.use(bodyParser.json({
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// limit: '50mb'
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// }));
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// app.use(express.urlencoded({ limit: '50mb', extended: true }));
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// view engine setup
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app.set('views', path.join(__dirname, 'views'));
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app.set('view engine', 'jade');
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app.use(logger('dev'));
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// 使用cors中间件
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app.use(cors());
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// 反向代理（这里把需要进行反代的路径配置到这里即可）
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let opts = {
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preserveHostHdr: true,
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reqAsBuffer: true,
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limit: "50mb",
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//转发之前触发该方法
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proxyReqPathResolver: function (req, res) {
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//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，
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req.url = req.baseUrl + req.url;
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//console.log(1,req,res)
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return require('url').parse(req.url).path;
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},
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}
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// todo 测试环境 测试使用，生产环境请用nginx带来
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// app.use('/callComponent', proxy('http://192.168.100.108:8088', opts));
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// app.use('/app', proxy('http://192.168.100.108:8088', opts));
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// app.use('/ws', createProxyMiddleware({
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// target: 'http://192.168.100.108:8008',
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// changeOrigin: true,
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// ws: true
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// }));
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// app.use('/ws', proxy('http://192.168.100.109:8008', opts));
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// app.use('/callComponent', proxy('http://192.168.100.109:8008', opts));
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// app.use('/app', proxy('http://192.168.100.109:8008', opts));
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// todo 本机 开发用，生产环境请用nginx带来
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app.use('/ws', proxy('http://192.168.31.222:8008', opts));
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app.use('/callComponent', proxy('http://192.168.31.222:8008', opts));
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app.use('/app', proxy('http://192.168.31.222:8008', opts));
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// .split(' ')[0]
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// todo 本机 开发用，生产环境请用nginx带来
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// app.use('/ws', proxy('http://47.92.223.85:8008', opts));
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// app.use('/callComponent', proxy('http://47.92.223.85:8008', opts));
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// app.use('/app', proxy('http://47.92.223.85:8008', opts));
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//app.listen(3000);
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app.use(express.json());
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app.use(express.urlencoded({ extended: false }));
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app.use(cookieParser());
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app.use(express.static(path.join(__dirname, 'public')));
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app.use('/', indexRouter);
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app.use('/users', usersRouter);
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// catch 404 and forward to error handler
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app.use(function (req, res, next) {
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next(createError(404));
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});
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// error handler
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app.use(function (err, req, res, next) {
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// set locals, only providing error in development
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res.locals.message = err.message;
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res.locals.error = req.app.get('env') === 'development' ? err : {};
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// render the error page
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res.status(err.status || 500);
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res.render('error');
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});
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module.exports = app;
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