只应在iframe(page1.jsp,page2.jsp和page3.jsp)中显示的每个页面应包含JS以检测它是否显示在其自己的窗口中。例如,如果使用iframe的页面的index.jsp,应该的Page1.jsp包括此代码:
<script type="text/javascript">
<!--
if (top.location.href == self.location.href)
// Redirect user to main page, passing current page name:
top.location.href = 'index.jsp?frame=page1';
//-->
</script>
然后,里面的index.jsp你应当引起你的iframe来加载指定的帧源的src:
<%
// Establish default source:
String frame_src = 'page3.jsp';
// Establish controlled list of pages to show in the iframe (important to be restrictive)
String[] allowed_srcs = ['page1','page2','page3'];
// Get targeted frame from query string, if given:
String targeted_frame = request.getParameter('frame');
if(Arrays.asList(allowed_srcs).contains(targeted_frame))
frame_src = targeted_frame + '.jsp';
%>
<iframe name="frame1" src="<%= frame_src %>"></iframe>
超级超级超级姬!谢谢 –