<foreach item="vo" name="list">
<tr>
<td><input type="radio" name="rdo[]" id="rdo" value="{$vo.id}" checked/>{$vo.id}</td>
<td>{$vo.fullname}</td>
<td>{$vo.telephone}</td>
<td>{$vo.zip}</td>
<td>{$vo.address}</td>
<td>{$vo.re}</td>
<td>
<a href="__URL__/deletecust?id={$vo.id}&userid={$vo.userId}">
<img style="cursor:hand" alt="移除" src="../Public/images/icon_trash.gif" style="border-width:0px"/>
</a>
</td>
</tr>
</foreach>
应该是每个td 都有<input type="radio" name="rdo">吧
<td><input type="radio" name="rdo" id="rdo_opt1" value="{$vo.id}" checked/>{$vo.id}</td>
<td><input type="radio" name="rdo" id="rdo_opt1" value="{$vo.fullname}" />{$vo.fullname}</td>