PHP中下拉框默认值动态选定

PHP中下拉框默认值动态选定

<wbr>&lt;select name="leixing" id="leixing" &gt;<br> &lt;option value=""&gt;选择类型&lt;/option&gt;<br> &lt;?php<br> $result_1=mysql_query("select * from leixing");<br> while($row_1=mysql_fetch_array($result_1)){<br> $leixing_1=$row_1["leixing"];<br> $id_1=$row_1["id"];<br><br> if ($id_1==$myrow["leixing"]) {<br> echo "&lt;option value=$id_1 selected&gt;$leixing_1&lt;/option&gt;";<br> }</wbr>

else{
echo "<option value=$id_1>$leixing_1</option>";
}
}

mysql_close($conn);
?>
</select>