如何判断是否经过服务器?
jsp页面:
      <%if(request.getAttribute("info")!=null){ 
             if(request.getAttribute("sex")!=null&&request.getAttribute("self")!=null){%>
      <jsp:include page="1.jsp"/>
        <%}else if(request.getAttribute("sex")==null&&request.getAttribute("self")!=null){ %>
       <jsp:include page="2.jsp"/>
       <%} else if(request.getAttribute("sex")!=null&&request.getAttribute("self")==null){%>
       <jsp:include page="3.jsp"/>        
       <%} else {%><jsp:include page="4.jsp"/><%} %>
    <%}else { %>                                                         <%--大判断 --%>
       <jsp:include page="4.jsp"/> <
              %}%>
在3.jsp页面验证不通过,然后他会转到4.jsp,怎么让他又转回3.jsp?