頁面一：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
</head>
<SCRIPT LANGUAGE="JavaScript">
function test(){
var s = document.getElementById("txt");
location.href="test2.html?"+"txt="+s.value;
}
</SCRIPT>
<body>
<input type="text" id="txt">
</br>
<input type="button" value="TEST" οnclick="test()"/>
</body>
</html>
<!--<a href="test2.html?qqq=1">跳轉</a>-->
頁面二：（test2.html）
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
</head>
<body>
<script language="javascript" type="text/javascript">
var loc = location.href;
var n1 = loc.length;//地址的總長度
var n2 = loc.indexOf("=");//取得=號的位置
var id = loc.substr(n2+1, n1-n2);//從=號後面的內容
alert(id);
//document.write(id)
</script>
</body>
</html>
http://hi.baidu.com/sunnyzhishui/blog/item/0cfa33975ecaf96e55fb968b.html