为什么用了过滤器后用a href传来的参数用request.getParameter取不到了?
去掉过滤器以后就好了
我吧过滤器的代码贴出来,大家帮我看看吧
public void doFilter(final ServletRequest request,
final ServletResponse response,
FilterChain chain) throws java.io.IOException,
javax.servlet.ServletException {
HttpServletRequest httprequest = (HttpServletRequest) request;
HttpServletResponse httpresponse = (HttpServletResponse) response;
GenericRequestWrapper wrapper = new GenericRequestWrapper(httprequest);
String isloginok = (String) httprequest.getSession().getAttribute(
"isloginok");
if (isloginok == null) {
httpresponse.sendRedirect("/archives/deny.htm");
}
else {
if (isloginok.equals("yes")) {
chain.doFilter(wrapper, response);
}
else {
httpresponse.sendRedirect("/archives/a.htm");
}
}
}