一个初学者的问题,谢谢大家!
//程序文件内容
<?
$host = "localhost"; //主机
$user = "root"; //连接的用户名
$password = ""; //连接密码
$database = "message"; //数据库名称
$conn = mysql_connect($host,$user,$password) or die("Error:Connect database false!");
mysql_select_db($database) or die ("Error:Select database false!");
$acc=$_POST['acc'];
$query = "select * from account where account='".$acc."'";
$num = mysql_num_rows(mysql_query($query,$conn));
if($num!=0)
{
echo "错误!已经存在相同的记录!";
}
else
{
$time2=date("Y-m-d");
$insert1="insert into account (account,password,name,qq,msn,time1,login) values('".$_POST['acc']."','".$_POST['psd1']."','".$_POST['name']."','".$_POST['qq']."','".$_POST['msn']."','".$time2."','1')";
mysql_query($insert1);
echo "增加成功";
}
mysql_close($conn);
?>
//错误 !
Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in D:\my\web\php\message board\add_acc_dm.php on line 6
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in D:\my\web\php\message board\add_acc_dm.php on line 6
增加成功
Warning: mysql_close(): supplied argument is not a valid MySQL-Link resource in D:\my\web\php\message board\add_acc_dm.php on line 23
=====================================================================
这是什么问题?请教
我mysql的帐号和密码都对,密码为空