getquerystring的编码问题如何解决

???getquerystring?????,????encodeURIComponent()?decodeURIComponent()???JavaScript????????????????

??,???url?,????encodeURIComponent()????????:

var param = '???';
var encodedParam = encodeURIComponent(param);
var url = 'http://example.com?param=' + encodedParam;

???url?????,????decodeURIComponent()????????:

var queryString = 'param=参数值';
var params = {};
queryString.split('&').forEach(function (pair) {
  var keyValue = https://www.yisu.com/ask/pair.split('=');
  params[keyValue[0]] = decodeURIComponent(keyValue[1]);
});

??????????????getquerystring?????,?????url?????????