网学网JSP编辑为广大网友搜集整理了:JSP实例教程:防盗链绩等信息,祝愿广大网友取得需要的信息,参考学习。
index.jsp
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<html>
<head><title>Simple jsp page</title></head>
<body>Place your content here
here is index jsp
get header info
<a href="a.jsp">a.jsp</a>
</body>
</html>
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a.jsp页面
通过判断 referer, 判断你从哪里来。
<html>
<head><title>Simple jsp page</title></head>
<body>Place your content here
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
<%}%>
</body>
</html>