如何使用JSP+MySQL创建留言本(三)

</tbody>
</table>
<hr color="#0080c0" noshade size="1" width="100%">

<%
} catch (SQLException e) //写数据库失败
{ out.print ("<font color=red>留言失败</font>");
  out.print (MyQuery);
  out.print (userid);
}
else
{
  out.print ("<font color=red>总共有"+testcomment.ErrorCount+"条错误数据,请修改!</font>");
%>

<script language="JavaScript">
<!--
function test_comments(theForm)
{
if (theForm.name.value == "")
{    alert("姓名不能为空！：-）");
  theForm.name.focus();
  return (false);
}
if (theForm.name.value.length > 12)
{ alert("姓名太长，不能多于12个字符(既六个汉字)！");
  theForm.name.focus();
  return (false);
}

if (theForm.address.value.length > 40)
{ alert("地址太长，不能多于40个字符(20个汉字)！");
  theForm.name.focus();
  return (false);
}

if (theForm.comment.value == "")
{ alert("抱歉，留言不能为空!你必须输入留言");
  theForm.comment.focus();
  return (false);
}
if (theForm.comment.value.length > 1000)
{ alert("抱歉，你的留言太长，最多为1000个字符！");
  theForm.comment.focus();
  return (false);
}
return (true);
} -->
<table>
<tr>
  <td>
   <table cellspacing="0" cellpadding="0">
    <tr>
     <td><!--表单开始-->
      <form action="addmysql.jsp" method="POST" name="all_comments" onsubmit="javascript:return (test_comments(this))">
       <table border="0" width="100%" cellspacing="0" cellpadding="0">
        <tr>
         <td width="60%">昵 称：<input name="name" size="20" value="<%if (username != null) out.print (username);%>"><%=testcomment.Comment_Er("username")%></td>
         <td nowrap width="40%">性 别：<select name="sex" size="1">
           <option selected value="男" <%if(sex=="男") out.print ("select"); %>>男</option>
           <option value="女" <%if(sex=="女") out.print ("select"); %>>女</option>