Node Http模块

const http = require('http');

http.createServer(function(request ,response){
response.writeHead(200 ,{'Content-Type':'text/html;  charset=utf-8'});
console.log(request.url);  //第一次==》'/' ,第二次==》'/favicon.ico'
if(request.url !=='/favicon.ico'){ //清除第二次访问
console.log('访问');
response.write('hello,world');
response.end();
}
}).listen(8000);

console.log('Server running at http://127.0.0.1:8000');