url.format(urlObj)

var url = require('url');
 
var a = url.format({
protocol : 'http' ,
auth : null ,
host : 'example.com:8080' ,
port : '8080' ,
hostname : 'example.com' ,
hash : null ,
search : '?a=index&t=article&m=default',
query : 'a=index&t=article&m=default',
pathname : '/one',
path : '/one?a=index&t=article&m=default',
href : 'http://example.com:8080/one?a=index&t=article&m=default'
});
console.log(a);
 
//輸出結果：http://example.com:8080/one?a=index&t=article&m=default