$ npm init 
Package name: (hello) //模块名字，npm init会自动取当前目录名作为默认名字，这里不需要改，直接确认即可 
Description: A example for write a module //模块说明 
Package version: (0.0.0) 0.0.1 //模块版本号，这个大家按自己习惯来定就可以 
Project homepage: (none) //模块的主页，如果有的话可以填在这里，也可以不填 
Project git repository: (none) //模块的git仓库，选填。npm的用户一般都使用github做为自己的git仓库 
Author name: Elmer Zhang //模块作者名字 
Author email: (none) freeboy6716@gmail.com //模块作者邮箱 
Author url: (none) http://www.elmerzhang.com //模块作者URL 
Main module/entry point: (none) hello.js //模块的入口文件，我们这里是hello.js </span><span style="color:#ff6666;">(这个必填)</span><span style="color:#333333;"> 
Test command: (none) //测试脚本，选填 
What versions of node does it run on"author": "Elmer Zhang <freeboy6716@gmail.com> (http://www.elmerzhang.com)", 
 "name": "hello", 
 "description": "A example for write a module", 
 "version": "0.0.1", 
 "repository": { 
 "url": "" 
 }, 
 "main": "hello.js", 
 "engines": { 
 "node": "*" 
 }, 
 "dependencies": {}, 
 "devDependencies": {} 
} 
 
Is this ok? (yes) //对以上内容确认无误后，就可以直接回车确认了