解析url, 把url里的query参数, 解析成json格式

gistfile1.js

var querystring = require('querystring');

var original = 'http://example.com/product/abcde.html';

var escaped = querystring.escape(original);
console.log(escaped);
// http%3A%2F%2Fexample.com%2Fproduct%2Fabcde.html

var unescaped = querystring.unescape(escaped);
console.log(unescaped);
// http://example.com/product/abcde.html