exports.parse = urlParse;
exports.resolve = urlResolve;
exports.resolveObject = urlResolveObject;
exports.format = urlFormat;exports.Url = Url;function Url() {this.protocol = null;this.slashes = null;this.auth = null;this.host = null;this.port = null;this.hostname = null;this.hash = null;this.search = null;this.query = null;this.pathname = null;this.path = null;this.href = null;
}

/*** Created by Administrator on 2016/3/26.*/
var url=require('url');
var urlStr='http://user:pass@host.com:80/rseource/path?query=string#hash';
//parse(urlStr,[parseQueryString],[slashesDenoteHost])
//parseQueryString 布尔值 true:URL查询字符串部分解析为对象字面量默认false
//slashesDenoteHost 布尔值 true:把格式为//host/path的URL解析为:{host:'host',pathname:'/path'},而不是{pathname:'//host/path'} 默认false
var urlObj=url.parse(urlStr,true,false);
console.log(urlObj);

"C:\Program Files (x86)\JetBrains\WebStorm 11.0.3\bin\runnerw.exe" F:\nodejs\node.exe URL.js
Url {protocol: 'http:',slashes: true,auth: 'user:pass',host: 'host.com:80',port: '80',hostname: 'host.com',hash: '#hash',search: '?query=string',query: { query: 'string' },pathname: '/rseource/path',path: '/rseource/path?query=string',href: 'http://user:pass@host.com:80/rseource/path?query=string#hash' }Process finished with exit code 0

var url=require('url');
var originalUrl='http://user:pass@host.com:80/rseource/path?query=string#hash';
var newResource='/another/path?querynew';
console.log(url.resolve(originalUrl,newResource));

"C:\Program Files (x86)\JetBrains\WebStorm 11.0.3\bin\runnerw.exe" F:\nodejs\node.exe URL.js
http://user:pass@host.com:80/another/path?querynew

Process finished with exit code 0

var qString=require('querystring')
//QueryString.parse = QueryString.decode = function(qs, sep, eq, options)
//1.qs 字符串
//2.sep 使用的分隔符 默认&
//3.ep 使用的运算符 默认=
//4.一个具有maxKey属性的对象 能够限制生成的对象可以包含的键的数量默认1000,0则无限制
var  params=qString.parse("name=cuiyanwei&color=red&color=blue");
console.log(params);
//QueryString.stringify = QueryString.encode = function(obj, sep, eq, options)
console.log(qString.stringify(params,"&","="));

"C:\Program Files (x86)\JetBrains\WebStorm 11.0.3\bin\runnerw.exe" F:\nodejs\node.exe URL.js
{ name: 'cuiyanwei', color: [ 'red', 'blue' ] }
name=cuiyanwei&color=red&color=blueProcess finished with exit code 0