很简单，只要在自定义字段的附加提示框输入以下代码即可：

<a href='#' onClick="OpenThenSetValue('../user/DateDialog.asp',160,170,window,$('KS_date'));$('KS_date').focus();"><img src='Images/date.gif' border='0' align='absmiddle' title='选择日期'></a>请点击选择日期或手动输入，格式为2008-01-01

注意：蓝色部份为日历文件，原地址在/admin/include/下，为了防止暴露后台管理目录，建议把这个文件复制一份到/user/目录下。

        红色部份为自定义字段的字段名，请根据实际更改。

        绿色部份为日历小图标，原地址在/admin/images/下，同样基于安全考虑，建议复制一份到根目录images/文件夹下。

另外，你也可以制作自己的日历文件和图标，使它更符合你的网站的风格。

再请求楼主..

网页源代码:

<table width="100%" border="0" cellspacing="2" cellpadding="1">
              <form name="myform" action="/plus/form.asp" method="post">
                <input type="hidden" value="Save" name="action">
                <input type="hidden" value="2" name="id">
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">酒店名称：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_mc" value="">
                          <span style="margin-top:5px">如有要求请填写，否则可留空</span> </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">要求客房标准：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_bz" value="">
                          <font color="red"> * </font> <span style="margin-top:5px">如：标准房、豪华房或大概的价格等</span> </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">入住时间：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_rzsj" value="">
                          <font color="red"> * </font> <span style="margin-top:5px"><a href='#' onClick="OpenThenSetValue('../user/DateDialog.asp',160,170,window,$('KS_rzsj'));$('KS_rzsj').focus();"><img src='/Images/date.gif' border='0' align='absmiddle' title='选择日期'></a>请点击选择日期或手动输入，格式为2008-01-01 </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">离开时间：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_lksj" value="">
                          <span style="margin-top:5px"><a href='#'onClick="OpenThenSetValue('/user/DateDialog.asp',160,170,window,$('KS_sj'));$('KS_sj').focus();"><img src='/Images/date.gif' border='0' align='absmiddle' title='选择日期'></a>请点击选择或手动输入，格式：2008-01-01</span> </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">联系人：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_lsr" value="">
                          <font color="red"> * </font> <span style="margin-top:5px">必填</span> </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">联系电话：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_dh" value="">
                  </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">传真号码：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_hm" value="">
                  </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">手机号码：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_sj" value="">
                  </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">QQ号码：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_qq" value="">
                  </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">E-maill：</td>
                  <td><input type="text" class="upfile" style="width:200px" name="KS_Emaill" value="">
                  </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">是否接、送站：</td>
                  <td><select class="upfile" style="width:50px" name="KS_js">
                    <option value="否" selected>否</option>
                    <option value="是">是</option>
                  </select>
                  </td>
                </tr>
                <tr class="tdbg">
                  <td align="right" class="lefttdbg">其他要求补充内容：</td>
                  <td><input type="hidden" id="KS_bc" name="KS_bc" value="" style="display:none" />
                          <input type="hidden" id="KS_bc___Config" value="" style="display:none" />
                          <iframe id="KS_bc___Frame" src="../KS_Editor/FCKeditor/editor/fckeditor.html?InstanceName=KS_bc&amp;Toolbar=Basic" width="350" height="130" frameborder="0" scrolling="no"></iframe>
                    <br>
                          <span class="link7 link7 link7" style="margin-top:5px">如有其他要求补充或详细说明，请以上填写。</span> </td>
                </tr>
                <tr class="tdbg">
                  <td class="lefttdbg" align="right">验证码：</td>
                  <td><input name="Verifycode" type="text" name="textbox" size=5>
                          <IMG style="cursor:hand" src="/KS_Inc/verifycode.asp" onClick="this.src='/ks_inc/verifycode.asp?n='+ Math.random();" align="absmiddle"><span class="STYLE4" style="margin-top:5px"> *验证码必须填定</span></td>
                </tr>
                <tr>
                  <td colspan="2" class="subtdbg" align="center"><input type="submit" value="确认提交" name="submit1"></td>
                </tr>
              </form>
            </table>