html中这个代表什么意思？？怎么处理？？_html/css

html中这个代表什么意思？？怎么处理？？_html/css_WEB-ITnose

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发布： 2016-06-24 12:15:28

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<body><table width="367" border="0" align="center" cellpadding="0" cellspacing="0">  <tr>    <td background="images/back.gif"><table width="367" border="0" align="center" cellpadding="0" cellspacing="0">      <form name="form1" method="post" action="index.php" onsubmit="return chkinput(this)">	  <tr>        <td height="30" colspan="4"> </td>      </tr>      <tr>        <td width="82" height="25"><div align="center" class="STYLE1">网关地址</div></td>        <td width="169"> <input type="text" name="ip" class="inputcss" size="25"></td>        <td width="38"><span class="STYLE1">端口：</span></td>        <td width="78"><input type="text" name="port" size="5" class="inputcss"></td>      </tr>      <tr>        <td height="20"><div align="center" class="STYLE1">用户名：</div></td>        <td height="20"> <input type="text" name="username" class="inputcss" size="25"></td>        <td height="20" colspan="2"> </td>      </tr>      <tr>        <td height="20"><div align="center" class="STYLE1">密码：</div></td>        <td height="20"> <input type="password" name="userpwd" class="inputcss" size="25"></td>        <td height="20" colspan="2"><input type="submit" name="submit" class="buttoncss" value="发送" /></td>      </tr>      <tr>        <td height="20"><div align="center" class="STYLE1">发送手机号：</div></td>        <td height="20"> <input type="text" name="telnumber" class="inputcss" size="25"></td>        <td height="20" colspan="2"><input type="reset" name="reset" class="buttoncss" value="重写" /></td>      </tr>	  <tr>        <td height="20"><div align="center" class="STYLE1">接收手机号：</div></td>        <td height="20"> <input type="text" name="receivenumber" class="inputcss" size="25"></td>        <td height="20" colspan="2"> </td>	  </tr>      <tr>        <td height="72"><div align="center" class="STYLE1">短信内容：</div></td>        <td colspan="3"> <textarea name="content" cols="40" rows="5" class="inputcss"></textarea></td>      </tr>      <tr>        <td height="25" colspan="4"><div align="center"></div></td>        </tr></form>    </table></td>  </tr></table>

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&nbsp是什么意思？？