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| 'use strict';
var express = require('express');
var timeout = require('connect-timeout');
var path = require('path');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var app = express();
// 设置模板引擎,路径在根目录+public中
app.set('views', path.join(__dirname, 'public'));
app.set('view engine', 'ejs');
app.use(express.static('public'));
app.use(express.static(path.join(__dirname, 'public')));
// 设置默认超时时间
app.use(timeout('15s'));
//请求体
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
//cookie
app.use(cookieParser());
//注册HTTP消息头部信息
app.use(
function(req, res, next) {
res.set(
{
'Content-Type': 'text/html',
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Rememberme': true,
'Access-Control-Allow-HttpOnly': false,
'Access-Control-Allow-Methods': 'POST, GET, PUT, DELETE, OPTIONS',
'Access-Control-Allow-Credentials': true, //false,
'Access-Control-Max-Age': '86400', // 24 hours
'Access-Control-Allow-Headers': 'X-Requested-With, X-HTTP-Method-Override, Content-Type, Accept'
}
);
//decodeURI(req.url)
console.log('%s %s', req.method, req.url);
next();
}
);
//首页
app.get('/', function(req, res) {
res.render('index1', { currentTime: new Date() });
});
app.use(function(req, res, next) {
// 如果任何一个路由都没有返回响应，则抛出一个 404 异常给后续的异常处理器
if (!res.headersSent) {
var err = new Error('Not Found');
err.status = 404;
next(err);
}
});
// 错误处理
app.use(function(err, req, res, next) {
if (req.timedout && req.headers.upgrade === 'websocket') {
// 忽略 websocket 的超时
return;
}
var statusCode = err.status || 500;
if (statusCode === 500) {
console.error(err.stack || err);
}
if (req.timedout) {
console.error('请求超时: url=%s, timeout=%d, 请确认方法执行耗时很长，或没有正确的 response 回调。', req.originalUrl, err.timeout);
}
res.status(statusCode);
// 默认不输出异常详情
var error = {};
if (app.get('env') === 'development') {
// 如果是开发环境，则将异常堆栈输出到页面，方便开发调试
error = err;
}
res.render('error', {
message: err.message,
error: error
});
});
function catchGlobalError(err) {
// 注册全局未捕获异常处理器
process.on('uncaughtException', function(err) {
console.error('Caught exception:', err.stack);
});
process.on('unhandledRejection', function(reason, p) {
console.error('Unhandled Rejection at: Promise ', p, ' reason: ', reason.stack);
});
}
//创建两个服务器实体
var server = require('http').createServer(app);
var server1 = require('http').createServer(app);
//服务器监听端口
var PORT = parseInt(process.env.PORT || 3000);
var PORT1 = PORT + 1;
server.listen(PORT, function (err) {
console.log('Node app is running on port:', PORT);
catchGlobalError(err);
});
server1.listen(PORT1, function (err) {
console.log('Node app is running on port:', PORT1);
catchGlobalError(err);
});
|