node-demo/server.js at master · luckzhu/node-demo · GitHub

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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('请指定端口号好不啦？\nnode server.js 8888 这样不会吗？')
  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

  /******** 从这里开始看，上面不要看 ************/

  console.log('方方说：得到 HTTP 路径\n' + path)
  console.log('方方说：查询字符串为\n' + query)
  console.log('方方说：不含查询字符串的路径为\n' + pathNoQuery)

  if(path == '/'){
    response.setHeader('Content-Type', 'text/html; charset=utf-8')
    response.write('<!DOCTYPE>\n<html>' +
      '<head><link rel="stylesheet" href="/style.css">' +
      '<script src="/main.js"></script></head>' +
      '<body><div class="container"><h1>当你看到这一行字的时候，你已经被我催眠了！</h1></div>' +
      '</body></html>')
    response.end()
  }else if(path == "/style.css"){
    response.setHeader('Content-Type', 'text/css; charset=utf-8')
    response.write('h1{background-color: #ddd; color: red;}' +
      '.container{display: flex; justify-content: center;}')
    response.end()
  }else if(path == "/main.js"){
    response.setHeader('Content-Type', 'text/js; charset=utf-8')
    response.write('alert("这是JS执行的哦")')
    response.end()
  }else{
    response.statusCode = 404
    response.end()
  }


  /******** 代码结束，下面不要看 ************/
})

server.listen(port)
console.log('监听 ' + port + ' 成功\n请用在空中转体720度然后用电饭煲打开 http://localhost:' + port)