var util = {};

/** 
 * 對象轉為查詢字符串
 * @type object
 * */ 
util.toQueryString = function(obj) {
    var str = "";
    for (let n in obj) {
        str += n + "=" + obj[n] + "&";
    }
    str = str.substring(0, str.length - 1);
    return str;
}

/**
 * 查詢字符串轉為對象
 * */ 
util.parseObject = function(url){
    var obj = {};
    if(url.indexOf(‘?‘)!==-1){
      var url = url.substring(url.indexOf(‘?‘)+1);
    }else{
      return {};
    }
    var arr = url.split(‘&‘);
    arr.forEach(function(val){
      var brr = val.split(‘=‘);
      obj[brr[0]] = brr[1];
    });
    return obj;

}
 

js - ISON 和 查詢字符串互轉