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有没有大佬帮忙一下下啊
if(isset($_POST["submit"]) && $_POST["submit"] == "登陆")
{
$user = $_POST["username"];
$psw = $_POST["password"];
if($user == "" || $psw == "")
{
echo "";
}
else
{
mysql_connect("localhost","root","sixx");
mysql_select_db("vt");
mysql_query("set names 'gbk'");
$sql = "select username,password from user where username = '$_POST[username]' and password = '$_POST[password]'";
$result = mysql_query($sql);
$num = mysql_num_rows($result);
if($num)
{
$row = mysql_fetch_array($result); //将数据以索引方式储存在数组中
echo $row[0];
}
else
{
echo "";
}
}
}
else
{
echo "";
}
?>
