class_message_sendnew.jsp

计算机技术的快速发展

<%@page contentType="text/html; charset=gb2312" language="java" errorPage="error.jsp"%>
<%@page import="com.suninformation.*,com.suninformation.user.*,com.suninformation.tools.*,com.suninformation.schoolmate.*,java.sql.Date"%>
<%request.setCharacterEncoding("gb2312");%>
<%
  String UserName = (String) session.getAttribute("userName");
  int ClassId = ParamUtils.getIntParameter(request, "classid", -1);
  String msg_body = ParamUtils.getParameter(request,"msgbody");
  boolean errorMsgBody = false;
  boolean SendMessage = ParamUtils.getBooleanParameter(request,"sendmessage",false);
  boolean errorClassId = false;
  boolean errorLogin = false;
  if (UserName == "" || UserName == null) {
	errorLogin = true;
	//response.sendRedirect(response.encodeRedirectURL("sm_login.jsp?url=" + SunGlobal.getAppHome() + "/sm/class_message.jsp?classid=" + ClassId));
        out.println("<script language='javascript' type='text/javascript'>");
      out.println("alert('您尚未登陆，请先登陆。');");
      out.println("window.history.go(-1);");
      out.println("</script>");
  }
  if (msg_body == "" || msg_body == null || msg_body.length()>500) {
	errorMsgBody = true;
  }
  if(ClassId==-1) {
  	errorClassId = true;
  }
  if(!errorLogin && request.getMethod().equals("POST") && SendMessage) {
    if(errorMsgBody) {
      //throw new UnacceptableException("留言信息输入错误！长度要在500个字以内");
      out.println("<script language='javascript' type='text/javascript'>");
      out.println("alert('留言信息输入错误！长度要在1~500个字以内。');");
      out.println("window.history.go(-1);");
      out.println("</script>");
    }
    if(errorClassId) {
      //throw new UnacceptableException("创建留言信息的参数不完全。");
      out.println("<script language='javascript' type='text/javascript'>");
      out.println("alert('创建留言信息的参数不完全。');");
      out.println("window.history.go(-1);");
      out.println("</script>");
    }
    try {
      SMMember smm = new SMMember(UserName,ClassId);
      if(smm.getMemberType()<4) {
        smm.sendMessage(msg_body,0);
        response.sendRedirect(response.encodeRedirectURL(SunGlobal.getAppHome() + "/sm/class_message.jsp?classid=" + ClassId));
      }else {
        out.println("<script language='javascript' type='text/javascript'>");
        out.println("alert('您尚未批准或加入该班级，留言失败。');");
        out.println("window.history.go(-1);");
        out.println("</script>");
      }
    }catch(Exception e) {
      out.println("<script language='javascript' type='text/javascript'>");
      out.println("alert('" + e.getMessage() + "');");//您尚未批准或加入该班级1，留言失败。');");
      out.println("window.history.go(-1);");
      out.println("</script>");
    }
  }
%>