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server.js
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/**
* @author musicq
* @create 2016-9-26
*/
const express = require('express');
const path = require('path');
const favicon = require('serve-favicon');
const bodyParser = require('body-parser');
const helmet = require('helmet');
const compression = require('compression');
const cookieParser = require('cookie-parser');
const app = express();
app.use(compression());
app.use(helmet());
app.use(favicon(path.join(__dirname, 'favicon.ico')));
app.use(bodyParser.json());
app.use(cookieParser());
/**
* 接口全部放在 /api 路径下
*/
app.use('/api', require('./routes/router'));
/**
* 配置环境
*
* NODE_ENV 变量:
* [development | dev] 开发环境
* [staging] 测试环境
* [production | prod] 正式环境
*/
console.log('process.env.NODE_ENV:' + process.env.NODE_ENV);
if (process.env.NODE_ENV === 'development' || process.env.NODE_ENV === 'dev') {
console.log('开发环境');
} else {
(process.env.NODE_ENV === 'production' || process.env.NODE_ENV === 'prod')
? console.log('正式环境')
: console.log('测试环境');
app.use(express.static(path.join(__dirname, 'dist')));
// 除开发环境外,其他环境(正式、测试)全都为下面入口
// `**` 使得匹配到的全部路径都发送到 angular2 来启动程序
app.use('**', express.static(path.join(__dirname, '/dist/index.html')))
}
/**
* 错误处理
*/
// 捕捉 404 错误
app.use((req, res, next) => {
let err = new Error('Not Found');
err.status = 404;
next(err);
});
// 处理错误,返回错误信息
app.use((err, req, res, next) => {
res.status(err.status || 500);
res.json({
message: err.message,
error : err
});
});
module.exports = app;