本文介绍了在文件开头需要节点模块的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我习惯在app.js文件的开头要求所有节点模块.

I had a habit of requiring all my node modules in the beginning of the app.js file.

var express=require('express'),
bodyParser = require( 'body-parser' ),
cookieParser = require( 'cookie-parser' ),
compression = require( 'compression' ),
.
.

但是某些模块在单个功能中用于单个作业,因此我可以从一开始就将其删除并内联.

But some modules are used for single jobs in a single function, so I can remove those from the beginning and place them inline.

var express=require('express'),
bodyParser = require( 'body-parser' ),
cookieParser = require( 'cookie-parser' ),
compression = require( 'compression' ),
.
.
function myfunc(){
require( 'https' ).get( "https://www.google.com/recaptcha/api/siteverify?secret= ......
.
.

代替

var express=require('express'),
bodyParser = require( 'body-parser' ),
cookieParser = require( 'cookie-parser' ),
compression = require( 'compression' ),
https=require('https'),
.
.
function myfunc(){
https.get( "https://www.google.com/recaptcha/api/siteverify?secret= ......
.
.

我的问题:以下哪项可以提供更好的性能?

My question: Which of these gives better performance?

推荐答案

node.js中的模块缓存概念说:

Modules Caching concept inside node.js says:

可以在此处查看文档 modules_caching

这意味着选择require只是一种不同的编码方式.

It means either choice of require is just different way of coding style.

这篇关于在文件开头需要节点模块的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

05-29 05:31
查看更多