sendfall.jsp

jsp注册

<%@ page contentType="text/html; charset=gb2312" language="java"  errorPage="errorpage.jsp" %>
<%String toid =(String)session.getAttribute("toid");
String fromid =(String)session.getAttribute("fromid");
String message =(String)session.getAttribute("message");
if(fromid.equals(toid)){ %><script language="JavaScript">
             alert("不能发给自己！");
           </script> <%}else if(message.length()>=80){ %>
          <script language="JavaScript">
             alert("字数太多了！");
           </script> <% }else if(message.length()==0){%>
           <script language="JavaScript">
             alert("内容太少！");
           </script>
           <%}else{%> <script language="JavaScript">
             alert("无此用户！");
           </script><%} %>
     <meta   HTTP-EQUIV=REFRESH   CONTENT="0;URL=/xunibuluo/message/sendmessage.jsp">