<? require("connection.php"); ?>
<?$sql = "SELECT * FROM csdbs WHERE username='$username'";$result = mysql_query($sql) or die ("Unable to get results.");$num = mysql_numrows($result) or die ("恭喜,您要注册的用户名可用!<a href=\"addnewuser.php\">请继续下一步</a><br>");if ($num == 1) {
echo "对不起!用户名:'$username'已经被注册.<br><br>";
echo "<a href=\"javascript:history.back(1)\">点击这里返回</a>";
}?>也就是在下一步显示
<?$sql = "SELECT * FROM csdbs WHERE username='$username'";$result = mysql_query($sql) or die ("Unable to get results.");$num = mysql_numrows($result) or die ("恭喜,您要注册的用户名可用!<a href=\"addnewuser.php\">请继续下一步</a><br>");if ($num == 1) {
echo "对不起!用户名:'$username'已经被注册.<br><br>";
echo "<a href=\"javascript:history.back(1)\">点击这里返回</a>";
}?>也就是在下一步显示
<?
div
$a;$sql = "SELECT * FROM csdbs WHERE username='$username'";$result = mysql_query($sql) or die ("Unable to get results.");$num = mysql_numrows($result) or die ("恭喜,您要注册的用户名可用!<a href=\"addnewuser.php?a=$username\">请继续下一步</a><br>");if ($num == 1) {
echo "对不起!用户名:'$username'已经被注册.<br><br>";
echo "<a href=\"javascript:history.back(1)\">点击这里返回</a>";
}
?>
在addnewuser.php里,用户填写出:
<input type=text name="username" value="<? print(htmlspecialchars($a)); ?>">这样试一下,看看行不?