获取url参数值（可解码中文值）

    /*** 根据指定参数名称获取参数值* @param {String} urlStr    参数名称* @return  {Object} 参数值* */
getUrlParams = function (urlStr) {// 获取url中"?"符后的字串let url = urlStr || location.href;let params = {};if (url.indexOf('?') != -1) {let str = url.substr(url.indexOf('?') + 1);let strs = str.split('&');for (let i = 0; i < strs.length; i++) {params[strs[i].split('=')[0]] = decodeURI(strs[i].split('=')[1]);}}return params;
};