<%
String currenturl = request.getRequestURI()+(request.getQueryString()==null?"":("?"+request.getQueryString()));
if (sql_inj.sql_inj(currenturl)){ //判断url及参数中是否包含注入代码，是的话就跳转到某页。
response.sendRedirect("error.jsp");
return;
}
//out.println(currenturl);
%>
