一、变量列表
表单提交地址：/e/enews/index.php
classid：[!--classid--]
id：[!--id--]
enews：AddPl
repid：0
username：用户名输入框
password：密码输入框
key：验证码输入框
显示验证码：<img src="/e/ShowKey?ecms">
nomember：匿名发表
saytext：评论内容

二、表单范例
 <script>
 function CheckPl(obj)
 {
  if(obj.saytext.value=="")
  {
   alert("您没什么话要说吗？");
   obj.saytext.focus();
   return false;
  }
  return true;
 }
 </script>
 <table width="98%" border="0" align="center" cellpadding="3" cellspacing="1" id=saypl>
           <form name=saypl method=POST action="/e/enews/index.php" onsubmit="return CheckPl(document.saypl)">
                <tr>
                  <td height="25" bgcolor="#FFFFFF"> <div align="center">
                      <table width="100%" border="0" cellspacing="1" cellpadding="3">
                        <tr>
                          <td width="56%">用户名:
                            <input name="username" type="text" id="username" size="12"></td>
                          <td width="44%">密码:
                            <input name="password" type="password" id="password" size="12"></td>
                        </tr>
                        <tr>
                          <td>验证码:
                            <input name="key" type="text" id="key" size="6">
                            <img src="/e/ShowKey?ecms"> </td>
                          <td><input name="nomember" type="checkbox" id="nomember" value="1">
                            匿名发表</td>
                        </tr>
                      </table>
                    </div></td>
                </tr>
                <tr>
                  <td height="25" bgcolor="#FFFFFF"> <div align="center">
                      <textarea name="saytext" cols="56" rows="6" id="saytext"></textarea>
                    </div></td>
                </tr>
                <tr>
                  <td height="25" bgcolor="#FFFFFF"> <div align="center">
                      <input name="imageField" type="image" src="/e/data/images/postpl.gif" border="0">
                      <input name="id" type="hidden" value="[!--id--]">
        <input name="classid" type="hidden" value="[!--classid--]">
                      <input name="enews" type="hidden" id="enews" value="AddPl">
                      <input name="repid" type="hidden" id="repid" value="0">
                    </div></td>
                </tr>
              </form>
            </table>

效果演示：http://www.phome.net/e/pl?classid=2&id=4098