我收到这个错误
app.get is not a function
这是我的 config/express.js
var express = require('express');
module.exports = function(){
var app = express();
app.set('port',3000);
return app;
};
这是我的 server.js
var http = require ('http');
var app = require ('./config/express');
http.createServer(app).listen(app.get('port'), function(){
console.log("Express Server Runing on port"+ app.get('port'));
});
我做错了什么?
最佳答案
在 config/express.js
中导出一个函数,但将其用作应用程序。试试这个:
var express = require('express');
var app = express();
app.set('port', 3000);
module.exports = app;
编辑:但以下是首选:
/* config/express.js */
var express = require('express');
module.exports = function() {
var app = express();
app.set('port', 3000);
return app;
};
/* server.js */
var http = require('http');
var app = require('./config/express')(); // Notice the additional () here
http.createServer(app).listen(app.get('port'), function() {
console.log("Express Server Runing on port"+ app.get('port'));
});
关于javascript - Node.js Express 模块导出,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42205271/