日期:2014-05-17  浏览次数:20744 次

html中 这个代表什么意思??怎么处理??
HTML code
<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">&nbsp;</td>
      </tr>
      <tr>
        <td width="82" height="25"><div align="center" class="STYLE1">网关地址</div></td>
        <td width="169">&nbsp;<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">&nbsp;<input type="text" name="username" class="inputcss" size="25"></td>
        <td height="20" colspan="2">&nbsp;</td>
      </tr>
      <tr>
        <td height="20"><div align="center" class="STYLE1">密码:</div></td>
        <td height="20">&nbsp;<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">&nbsp;<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">&nbsp;<input type="text" name="receivenumber" class="inputcss" size="25"></td>
        <td height="20" colspan="2">&nbsp;</td>
      </tr>
      <tr>
        <td height="72"><div align="center" class="STYLE1">短信内容:</div></td>
        <td colspan="3">&nbsp;<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>

&nbsp是什么意思??

------解决方案--------------------
&nbsp;是空格,因为html对连续的空格只作为一个空格处理,所以