text: let http = require('http');
  
  // console.log(http);
  console.log(554);
  
  
  let app=http.createServer(function(require,response){
        response.writeHead(200,{'Content-Type':'text/html;charset=utf-8'});
      response.write('老李fsdfs ');
      // response.writeHead(200,{'Content-Type':'text/html;charset=utf-8'});
      response.write('<h1>hello 老谢，</h1> hello dingding');
      response.end();
  })
  
  app.listen(1910,function(){
      console.log("服务器启动成功");
      
  })