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72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
// 环境变量
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const arg = require('arg');
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const args = arg({
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'--node_env': String, // 环境
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});
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const node_env = args['--node_env'];
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process.env.NODE_ENV = node_env;
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// 全局变量
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global.default_config = require('./default_config');
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const createError = require('http-errors');
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const httpProxy = require('express-http-proxy');
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const proxyConfig = require('./proxy');
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const express = require('express');
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const path = require('path');
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const cookieParser = require('cookie-parser');
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const logger = require('morgan');
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// const multer = require('./middleware/multer')
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const indexRouter = require('./routes/index');
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//test git caipeng
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var app = express();
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app.all("*",function(req,res,next){
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//设置允许跨域的域名，*代表允许任意域名跨域
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res.header("Access-Control-Allow-Origin","*");
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//允许的header类型
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res.header("Access-Control-Allow-Headers","content-type");
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//跨域允许的请求方式
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res.header("Access-Control-Allow-Methods","DELETE,PUT,POST,GET,OPTIONS");
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if (req.method.toLowerCase() === 'options')
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res.send(200); //让options尝试请求快速结束
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else
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next();
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});
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// 代理静态资源
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app.use('/public', express.static(default_config.public_path));
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// 代理接口
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for(let api in proxyConfig) {
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let config = proxyConfig[api];
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app.use(api, httpProxy(config.target, config));
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}
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// app.use(multer);
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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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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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// 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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