index.jsp
-----------------------------
here is index jsp
get header info
a.jsp
------------------------------
a.jsp页面
通过判断 referer, 判断你从哪里来。
here is a. jsp
get header info
<%=request.getHeader("Referer")%>
<%if(null == request.getHeader("Referer") || request.getHeader("Referer").indexOf("yourdomain.com") < 0){%>
做人要厚道
<%}else{%>
合法访问
<%}%>
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