1.方法一:
<script language="javascript" type="text/javascript"> window.location.href="login.jsp?backurl="+window.location.href; </script>
2.方法二:
<script language="javascript"> alert("返回"); window.history.back(-1); </script>
3.方法三:
<script language="javascript"> window.navigate("top.jsp"); </script>
4.方法四:
<script language="JavaScript"> self.location=’top.htm’; </script>