op" width="50%">
<div class="Element247">
目标流对象&nbsp;</div></td></tr><tr>
<td class="Element242" valign="top" width="50%">
<div class="Element243">
AEncoding&nbsp;</div></td><td class="Element246" valign="top" width="50%">
<div class="Element247">
编码格式&nbsp;</div></td></tr><tr>
<td class="Element242" valign="top" width="50%">
<div class="Element243">
AWriteBom&nbsp;</div></td><td class="Element246" valign="top" width="50%">
<div class="Element247">
是否写入BOM&nbsp;</div></td></tr><tr>