纯粹上面那个比较简单 var t = "http://forum.csdn.net/PointForum/Forum/PostTopic.aspx?user=467d91e3-1";t.substring(t.indexOf("user=")+5); 如果还有其他查询串,比如http://forum.csdn.net/PointForum/Forum/PostTopic.aspx?user=467d91e3-1&pwd=.. t.substring(t.indexOf("user=")+5,t.indexOf("&")+1);
var s = "http://forum.csdn.net/PointForum/Forum/PostTopic.aspx?user=467d91e3-1"; var p = s.indexOf("user="); var r = s.substr(p+"user=".length, 10); alert(r);
var t = "http://forum.csdn.net/PointForum/Forum/PostTopic.aspx?user=467d91e3-1";t.substring(t.indexOf("user=")+5);
如果还有其他查询串,比如http://forum.csdn.net/PointForum/Forum/PostTopic.aspx?user=467d91e3-1&pwd=..
t.substring(t.indexOf("user=")+5,t.indexOf("&")+1);
var s = "http://forum.csdn.net/PointForum/Forum/PostTopic.aspx?user=467d91e3-1";
var p = s.indexOf("user=");
var r = s.substr(p+"user=".length, 10);
alert(r);