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Node.js first try cry

黄舟
Release: 2017-01-17 15:32:03
Original
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Check node version

[code]node -v
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Create the first nodejs program

[code]helloWorld.js
console.log("Hello World");
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When running, the file name is case-free

Interactive mode:

Enter at the command line:
node
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[code]> console.log('hello');
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Create the first application

Steps:

1. Use require to introduce the module HTTP

2. Create a server http.createServer()

3. Accept and respond to requests

server.js
[code]var http = require('http');

http.createServer(function (request, response) {
    // 发送 HTTP 头部
    // 状态码 200
    // 内容类型 text/plain
    response.writeHead(200, { 'Content-Type' : 'text/plain'});

    // 发送响应数据---浏览器输出
    response.end('Hello World');
}).listen(8888);    // 监听8888端口
// 终端输出
console.log('服务器监听8888端口')
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Terminal operation:

[code]node server.js
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Browser running:

[code]http://localhost:8888/server.js
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Node.js first try cry

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