first commit

历届学生/王凯/18-11-23/src/app.js

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+var createError = require('http-errors');
+var express = require('express');
+var loadRouter = require('express-load-router');
+var path = require('path');
+var cookieParser = require('cookie-parser'); 
+
+var app = express();
+
+app.all('*', (req, res, next) => {
+  res.header("Access-Control-Allow-Origin", "*");
+  res.header('Access-Control-Allow-Methods', 'PUT, GET, POST, DELETE, OPTIONS');
+  res.header("Access-Control-Allow-Headers", "X-Requested-With");
+  res.header('Access-Control-Allow-Headers', 'Content-Type');
+  next();
+});
+
+
+loadRouter(app, path.join(__dirname, 'controllers'));
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+
+
+
+// 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);
+// });
+
+module.exports = app;