上海滩之逆天改命吧 关注:2贴子:273
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option、optgroup和select标签

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<!-- 1.45option、optgroup和select标签-->
<select>
<optgroup label="China">
<option value="三环">sanhuan</option>
<option value="五菱">wuling</option>
</optgroup>
<optgroup label="Deutsch">
<option value="BMW">宝马</option>
<option value="Dercedes">奔驰</option>
</optgroup>
</select>


IP属地:甘肃1楼2016-05-11 01:00回复