错在哪里？（用隐藏表单传递值，并提交到本页面）

hy.submit()?
怎么不是form2.submit()?
hy不是那个隐藏变量吗？

country2s.length==0或country2s==null时怎么办呢？

<%@ page contentType="text/html; charset=GBK" %>
<%@ page language="java" import="java.util.*" %>
<%@ page import="com.tassie.firmgoal.model.*" %>
<%@ page import="com.tassie.firmgoal.dao.*" %><%@ page import="java.text.SimpleDateFormat" %><html>
<head>
<title>
</title>
</head>
<body><%    String msg="";

String countryName=request.getParameter("countryName");

String year=request.getParameter("year");

String month=request.getParameter("month");

String day=request.getParameter("day");

String reportTemplateUid=request.getParameter("reportTemplateUid");

  if(countryName!=null)
   {

   Country[] countrys = CountryDAO.findByName("countryName");

   Country country = null;

  if(countrys.length>0)
{
country = countrys[0];
}
else{

msg="出错啦";

}


String country_uid = country.getUid();



SimpleDateFormat df = new SimpleDateFormat("yyyy-mm-dd");

Date fDate = df.parse(year+"-"+month+"-"+day);

ReportInstance[] reportInstances = ReportInstanceDAO.findInstance(reportTemplateUid,fDate);

ReportInstance reportInstance = null;

if(reportInstances.length>0){

  reportInstance = reportInstances[0];


}
else{

msg="出错啦!";

}

String reportInstance_uid = reportInstance.getUid();

response.sendRedirect("http://127.0.0.1:8080/ReportWeb/ReportView.jsp?country_uid="+country_uid+"reportInstance_uid="+reportInstance_uid);

System.out.println(msg);
    }

%>
   <p>
<form name="form1" method="post" action="ReportView.jsp"><select name=""><option value="shangdong" selected>山东</option></select>
省      <select name="bigsortselect"  onChange="changelocation(document.form1.bigsortselect.options[document.form1.bigsortselect.selectedIndex].value)"
                                      size="1">

  <option selected>---------------</option>

  <%

  Country[] countrys = CountryDAO.findByCode("00");

  for(int i=0;i<countrys.length;i++)
  {
Country country = (Country)countrys[i];

  %>

  <option value="<%=country.getUid()%>"><%=country.getName()%> </option>


<%

  }

   %>
</select>
市
   <select name="smallsortselect" size="" >

      <option selected>---------------</option> </select>
县<script language="JavaScript">

    subcat = new Array();
    <%
for(int i=0;i<countrys.length;i++)
{
     Country country =(Country) countrys[i];

        Country[] country1s = CountryDAO.findByCode(country.getCode());

        for (int m=0; m<country1s.length; m++)
        {
         Country country1 = (Country)country1s[m];
        %>
            subcat[<%=m%>] = new Array("<%=country1.getName()%>","<%=country.getUid()%>","<%=country1.getUid()%>");
            <%
         }
    }
    %>



function changelocation(uid)
    {
        document.form1.smallsortselect.length = 0;
    document.form1.smallsortselect.options[0] = new Option("","");     for (j=0;j < subcat.length; j++)
        {
             if(subcat[j][1]==uid)
             {
                document.form1.smallsortselect.options[document.form1.smallsortselect.length] = new Option(subcat[j][0]);
             }
        }

    }

    changelocation(document.form1.bigsortselect.options[document.form1.bigsortselect.selectedIndex].value);

</script><br>
<select name="">
<option value="" selected></option>
<option value="" >2005</option>
</select>年<select name="">
<option value="" selected></option>
<option value="" >1</option>
<option value="" >3</option>
<option value="" >5</option>
<option value="" >7</option></select>月<select name="">
<option value="" selected></option>
<option value="" >15</option>
</select>日<br><input type="submit" value="提交">
<input type="submit" value="修改">
</form><form name="form2" method="post" action="ReportView.jsp"  ><%


  Country[] country2s = CountryDAO.findByName("countryName");

  for(int i=0;i<country2s.length;i++)

  {

  Country country2 = (Country)country2s[i];


     String country_uid = country2.getUid();

%>
<input type="hidden" value="<%=country_uid%>" name="hy">

<%
}
%>

<%        SimpleDateFormat df = new SimpleDateFormat("yyyy-mm-dd");

Date fDate = df.parse(year+"-"+month+"-"+day);   ReportInstance[] reportInstance2s = ReportInstanceDAO.findInstance(reportTemplateUid,fDate);

for(int n=0;n<reportInstance2s.length;n++)
{
ReportInstance reportInstance2=(ReportInstance)reportInstance2s[n];

       String reportInstance_uid = reportInstance2.getUid();
%>

   <input type="hidden" value="<%=reportInstance_uid%>" name="hy">
   <%
   }
   %>

</form><script>form2.submit()</script></body></html>

我把程序改为如上所述，还是显示不出结果。用tomcat发布，没有出错提示信息

调试易

错在哪里？（用隐藏表单传递值，并提交到本页面）

解决方案 »