那是因为,你没打跳回显示的页面代码:如,info.setnAME(request.getParameter("name"));
info.setsEX(request.getParameter("sex"));
info.setaGE(Integer.valueOf(request.getParameter("age")));
info.setrANK(request.getParameter("rank"));
info.setdEPARTMENT(request.getParameter("department"));
int count=infoImple.InsertInfo(info);
if (count>0) {
out.println("");
}else {
out.println("");
}