我有一些文件:
tags.js:
var express = require('express'),
router = express.Router(),
monk = require('monk'),
db = monk('localhost:27017/data');
...
module.exports = router;
records.js:
var express = require('express'),
router = express.Router(),
monk = require('monk'),
db = monk('localhost:27017/data');
...
module.exports = router;
users.js:
var express = require('express'),
router = express.Router(),
monk = require('monk'),
db = monk('localhost:27017/data');
...
module.exports = router;
我总是必须复制我的标题:
var express = require('express'),
router = express.Router(),
monk = require('monk'),
db = monk('localhost:27017/data');
连接此配置变量一次的最佳解决方案是什么?
<小时/>我尝试这个变体In Node.js, how do I "include" functions from my other files? ,但这不起作用,因为我应该在tools.js中使用require(例如:require('express')),但我得到了错误。
我也尝试过这个变体node.js - accessing required variables from other files :
工具包.js:
var express = require('express'),
router = express.Router(),
monk = require('monk'),
db = monk('localhost:27017/data');
tags.js:
var tools = require('../toolkit'),
router = tools.router;
router.get('/', function(req, res) {
...
});
module.exports = router;
但我又出错了。
最佳答案
您需要从 toolkit.js
导出。因此,您的工具包
将如下所示
var express = require('express');
exports.router = express.Router();
var monk = require('monk');
exports.db = monk('localhost:27017/data');
现在,您可以执行以下操作:
var toolkit = require('path/to/toolkit');
var router = toolkit.router;
var db = toolkit.db;
关于javascript - 在 Node.js 中仅连接一次配置变量,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33275506/