假如$citys = array('beijing', 'shanghai', 'guangzhou');$list = "<select name='city'>";
foreach ($citys as $key => $val) {
if (city == $val) {
$list .= "<option value='$key' selected>$val</option>";
} else {
$list .= "<option value='$key'>$val</option>";
}
}
$list .= '</select>';
echo $list;
foreach ($citys as $key => $val) {
if (city == $val) {
$list .= "<option value='$key' selected>$val</option>";
} else {
$list .= "<option value='$key'>$val</option>";
}
}
$list .= '</select>';
echo $list;
$op[$city]=" selected";
echo "<option value='1'$op[1]>北京</option>
<option value='2'$op[2]>上海</option>
<option value='3'$op[3]>广州</option>";