<table width="100%" border="0" cellspacing="2" cellpadding="2">
      <tr>
        <td width="10%">&nbsp;</td>
        <td width="20%">用户名：</td>
        <td><input name="user" type="text" id="user" size="19" style="font-size: 12px" />        </td>
      </tr>
      <tr>
        <td width="10%">&nbsp;</td>
        <td width="20%">密　码：</td>
        <td><input name="password" type="password" id="password" size="20" style="font-size: 12px" />        </td>
      </tr>
      <tr>
        <td colspan="3" align="center"><input type="submit" name="submit" value=" 登 录 " class="tbutton" />
          &nbsp;
          <input type="reset" name="Submit" value=" 重 置 " /></td>
      </tr>
    </table>
如何将它运行 实训作业 要后台管理