js获取url中

  url : index.php?id=123

  

复制代码 代码如下:

  <script type="text/javascript">

  function GetRequest() {

  var url = location.search; //获取url中"?"符后的字串

  var theRequest = new Object();

  if (url.indexOf("?") != -1) {

  var str = url.substr(1);

  strs = str.split("&");

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

  theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);

  }

  }

  return theRequest;

  }

  var Request=undefined;

  Request=GetRequest();

  var id=Request["id"];

  </script>