【www.gdgbn.com--mysql教程】

 代码如下

error_reporting(0);
if(isset($_post["post"]) && $_post["post"]=="1"){
$mysql教程_servername = "localhost"; 
$mysql_username = "root"; 
$mysql_password =""; 
$mysql_database ="peng"; 
mysql_connect($mysql_servername , $mysql_username , $mysql_password);
mysql_select_db($mysql_database); 
$name=$_post["name"];
$passowrd=$_post["password"];

if ($name && $passowrd){
 $sql = "select * from liuyanban where name = "$name" and password="$passowrd"";
 $res = mysql_query($sql);
 $rows=mysql_num_rows($res);
  if($rows){
  header("refresh:0;url=a.htm");
  exit;
 }
 echo "<script language=网页特效>alert("用户名密码错误");history.back();</script>";
}else {
 echo "<script language=javascript>alert("用户名密码不能为空");history.back();</script>";
}
}else{
?>

用户名

密码word name="password">

 

本文来源：http://www.gdgbn.com/shujuku/26497/