下面是个jsp防盗链教程，撑握了其技术要点，学起来就简单多了。赶紧跟着图老师小编一起来看看吧！
【 tulaoshi.com - Web开发 】
index.jsp
（本文来源于图老师网站，更多请访问http://www.tulaoshi.com/webkaifa/）-----------------------------
html
headtitleSimple jsp page/title/head
bodyPlace your content here
here is index jsp
get header info
a href="a.jsp"a.jsp/a
/body
/html
------------------------------
a.jsp页面
通过判断 referer， 判断你从哪里来。
html
headtitleSimple jsp page/title/head
bodyPlace 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
来源:http://www.tulaoshi.com/n/20160219/1621101.html
