Table of Contents
一、下载
 二、设置环境变量
三、测试
1、写测试代码test.js
2、运行
Home Web Front-end JS Tutorial First introduction to node.js

First introduction to node.js

Oct 17, 2017 am 10:27 AM
javascript node.js First acquaintance

一、下载

去nodejs下载node.msi安装文件包,里面包含了node.js和npm;

双击node.msi就行了,选择安装路径和npm;

 

 二、设置环境变量

[新版本都不需要设计环境变量了,软件会自动写入环境变量]

计算机(或者我的电脑)右击属性-》高级系统设置-》环境变量。

新建一个用户变量。

变量名:NODE_PATH

值:C:\Program Files\nodejs\node_modules

注意:值为nodejs安装目录

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1. cd D:\20171016  //项目文件目录(包含项目文件名)

2. d: 3. npm start 4. 在浏览器中输入http://localhost:10999

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三、测试

1、写测试代码test.js

随便找个项目文件夹,再里面新建一个service文件夹,我的目录是E:\nodetest\service

注意:此路径不能有中文

再在里面新建一个UTF-8编码的js文件、文件名字随便起、我的文件叫test.js

在js文件里面增加入下代码

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var http=require('http');

http.createServer(function (request,response){

    response.writeHead(200,{'Content-Type':'text/plain'})

    response.end("hello,world\n");

    }).listen(8887);

 

console.log('Server runing at http://127.0.0.1:8887');

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2、运行

启动nodejs服务,window键+R,输入cmd然后回车

在命令行窗口中输入node E:\nodetest\service\test.js

注意:结尾不用加分号;

成功

在浏览器中输入http://127.0.0.1:8887/结果如下。

First introduction to node.js

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