Javascript 读取 .config 文件
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Reading a .config file
提问by Alan Schambers
Currently I have a file called router.js set up as follows:
目前我有一个名为 router.js 的文件设置如下：
var Server = require('mongodb').Server;
var MongoDB = require('mongodb').Db;
var dbPort = 31979;
var dbHost = '40.117.155.19';
var dbName = 'node-login';
I would like to to be set up like this:
我想这样设置：
var Server = require('mongodb').Server;
var MongoDB = require('mongodb').Db;
var dbPort = readConfig(dbPort);
var dbHost = readConfig(dbHost);
var dbName = readConfig(dbName);
How would I go about accomplishing this. I would like to have a file such as test.config, and be able to read dbPort, dbHost, and dbName from that .config file in router.js.
我将如何实现这一点。我想要一个文件，例如 test.config，并且能够从 router.js 中的 .config 文件中读取 dbPort、dbHost 和 dbName。
回答by Timo
You could store your config as a JSON file and read it directly:
您可以将配置存储为 JSON 文件并直接读取：
config.json
配置文件
{
"dbPort": 31979,
"dbHost": "40.117.155.19",
"dbName": "node-login"
}
router.js
路由器.js
var Server = require('mongodb').Server;
var MongoDB = require('mongodb').Db;
var CONFIG = require('./config.json');
var dbPort = CONFIG.dbPort;
var dbHost = CONFIG.dbHost;
var dbName = CONFIG.dbName;
回答by Lucas Watson
Here's one way to do it
这是一种方法
//File config.js
module.exports = {
dbPort : 8080,
dbHost : etc,
dbName : nom,
}
//File server.js
var Server = require('mongodb').Server;
var MongoDB = require('mongodb').Db;
var config = require('configFile');
var dbPort = config.dbPort;
var dbHost = config.dbHost;
var dbName = config.dbName;
