/**

*

* @desc 对象序列化

* @param {Object} obj

* @return {String}

*/

function stringfyQueryString(obj) {

if (!obj) return '';

var pairs = [];

for (var key in obj) {

var value = obj[key];

if (value instanceof Array) {

for (var i = 0; i < value.length; ++i) {

pairs.push(encodeURIComponent(key + '[' + i + ']') + '=' + encodeURIComponent(value[i]));

}

continue;

}

pairs.push(encodeURIComponent(key) + '=' + encodeURIComponent(obj[key]));

}

return pairs.join('&');

}

module.exports = stringfyQueryString