<table width="200" border="1" style="table-layout:fixed;">
<tr>
<td style="word-wrap : break-word; ">abcdefghigklmnopqrbcdefggklmnopqrbcdefghigklmnopqrstuvwxyz 1234567890
</td>
<td style="word-wrap : break-word ;">abcdefghigklmnopqrstuvwxyzabcdefghigklmnvwxyz 1234567890
</td>
</tr>
</table>
在table外層加入 style="table-layout:fixed;" 後
在td標籤在加上 style="word-wrap : break-word ;
