Node.js-url

//引入url模块
const url=require('url');
/*
var str='http://www.codeboy.com:80/list/details.html?lid=5&pname=dell';
//将url解析为对象
var obj=url.parse(str);
console.log(obj);
*/
var obj={
  protocol:'http',
  hostname:'www.codeboy.com',
  port:8080,
  pathname:'/course/100037.html',
  query:{lid:17,pname:'apple'} //lid=5&pname=dell
}
//把对象转换成url
var str=url.format(obj);
console.log(str);