PHP PHP动态下拉框：州和省 - 记住提交时的价值

Posted 2021-05-14

$sql = "select state_id,state_name,state_abbr from state order by state_id";
if (!(@ $result = mysql_query($sql))) {
	print "There was an error running your query:<p>\n". $sql . "<p>\n";
}
print '<select name="state"><br>\n';
print '<option value="">  - Select State/Province -   ';
while ($row = mysql_fetch_row($result)) {
	$state_id   = $row[0];
	$state_name  = $row[1];
	$state_abbr = $row[2];
		
	print "<option value=\"$state_abbr\"";
if ($_REQUEST["state"] == $state_abbr) { print " selected"; }
	print "> $state_name <br>\n";
}
print '</select>';