在桌面创建一个用于存放server的目录，并且创建server.js
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| cd ~/Desktop/
mkdir node-server
cd node-server
touch server.js
vim server.js
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编写服务器server.js
server.js1
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| var http = require('http')
var fs = require('fs')
var url = require('url')
var port = process.argv[2]
if (!port) {
console.log("请指定端口号，比如\nnode server.js 8888")
process.exit(1)
}
var server = http.createServer(function(request, response) {
var parsedUrl = url.parse(request.url, true)
var path = request.url
var query = ''
if (path.indexOf('?') >= 0) {
query = path.substring(path.indexOf('?'))
}
var pathNoQuery = parsedUrl.pathname
var queryObject = parsedUrl.query
var method = request.method
console.log('得到 HTTP 路径\n' + path)
console.log('查询字符串为\n' + query)
console.log('不含查询字符串的路径为\n' + pathNoQuery)
response.write('hi')
response.end()
})
server.listen(port)
console.log('监听 ' + port + ' 成功\n请打开 http://localhost:' + port)
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运行server.js服务器
bash
这里一个括号空格都不能错，如果报错则百度一下错误代码。这样server.js就成功运行起来了，server.js开始监听8888端口，开始接受来自client的服务请求。
测试
保持这个gitbash窗口运行，新建一个gitbash窗口 curl 一下 http://localhost:8888/docName 来测试一下server.js是否能响应请求
服务器正确监听到curl对于8888端口的请求并打印出请求的路径，并给出response：hi，而后end了这个response，此时client收到应答结束了会话回到了可以输入命令行的界面，而server继续处于等待请求的状态，我们使用ctrl+c来中断server.js的进程。
使用 curl -s -v — “http://localhost:8888/docName” 可以查看完整的请求和响应
完整代码
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| var http = require('http')
var fs = require('fs')
var url = require('url')
var port = process.argv[2]
if (!port) {
console.log("请指定端口号，比如\nnode server.js 8888")
process.exit(1)
}
var server = http.createServer(function(request, response) {
var parsedUrl = url.parse(request.url, true)
var path = request.url
var query = ''
if (path.indexOf('?') >= 0) {
query = path.substring(path.indexOf('?'))
}
var pathNoQuery = parsedUrl.pathname
var queryObject = parsedUrl.query
var method = request.method
console.log('HTTP 路径为\n' + path)
if (path == '/style.js') {
response.setHeader('Content-Type', 'text/css; charset=utf-8')
response.write('body{background-color: #ddd;}h1{color: red;}')
response.end()
} else if (path == '/script.html') {
response.setHeader('Content-Type', 'text/javascript; charset=utf-8')
response.write('alert("这是JS执行的")')
response.end()
} else if (path == '/index.css') {
response.setHeader('Content-Type', 'text/html; charset=utf-8')
response.write('<!DOCTYPE>\n<html>' +
'<head><link rel="stylesheet" href="/style.js">' +
'</head><body>' +
'<h1>你好</h1>' +
'<script src="/script.html"></script>' +
'</body></html>')
response.end()
} else {
response.statusCode = 404
response.end()
}
})
server.listen(port)
console.log('监听 ' + port + ' 成功\n请打开 http://localhost:' + port)
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