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一个基于mysql的登陆验证程序

来源: 作者:unkonwn 时间:2004-12-01 点击:
<?
     /******************************************************
     file name: login.php3
     Login Check
     编码: PHP 4
     作者: Kevin Lee < webwing@21cn.com >

     Database: MySQL。
     Host: localhost Database : mydb
     Table structure for table ′user′
--------------------------------------------------------
CREATE TABLE user (
   id smallint(6) NOT NULL auto_increment,
   user varchar(12) NOT NULL,
   passwd varchar(12) NOT NULL,
   name varchar(20),
   email varchar(30),
   level char(1),
   status char(1),
   UNIQUE id (id)
);
-------------------------------------------------------- 数据挖掘研究院


    *******************************************************/
?>
<script language="javascript">
function back(){
         history.back();
}
function winclose(){
         setTimeout("self.close()",10000);
}
</script>
<?
  $db_id = mysql_pconnect("localhost", "root", "");
  $sql="select id, user, passwd from user where user=′".$name."′ and passwd=′".$pwd."′";
  $result = mysql_db_query("mydb",$sql);
  $row = mysql_fetch_array($result);
  $id = $row[id] ;

  if ($id!="") {
    session_start();
    session_register("yn");
    $yn="yes"  ;
    echo "<html><body onload="javascript:winclose()">"; 数据挖掘研究院
    echo "你已经成功登陆。。。"."<p>";
    echo "<center>"."窗口10秒钟后自动关闭"."</center>";
    echo "</body></html>";

  }
  else {
  echo "帐号或密码错误!!!";
  echo "<P>";
  echo "<center>";
  echo "<a href="#" onclick="javascript:back()">back</a>";
  echo "</center>" ;
  }
?>

<!--
file name: login.htm
-->
<html>
<head>
<title>系统登陆</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.css1 {  font-size: 10pt; color: #FFCC66}
-->
</style>
</head>

<body bgcolor="#ffffff" topmargin=0 leftmargin=0>
<form method="post" action="login.php3">

数据挖掘研究院


  <table width="210" bgcolor="#ffffff" height="106" bordercolor="navajowhite" border="1" style="WIDTH: 210px">
    <tr bgcolor="#0000ff">
    <td colspan="4">
      <div align="center"><b><font color="#ffffff" face="楷体_GB2312">系统登陆</font></b></div>
    </td>
  </tr>
  <tr bgcolor="#f9fde1" bordercolor="#cccccc">
    <td width="71" class="css1">
        <div align="center">用户帐号</div>
    </td>
    <td colspan="3" align=middle>
      <input name="name" size="14" >
    </td>
  </tr>
  <tr bgcolor="#f9fde1" bordercolor="#cccccc"> 数据挖掘实验室
    <td width="71" class="css1">
        <div align="center">用户密码</div>
    </td>
    <td colspan="3" align=middle>
      <input type="password" name="pwd" size="14" >
    </td>
  </tr>
  <tr bgcolor="#f9fde1" bordercolor="#cccccc">
      <td colspan="4" height="26" style="HEIGHT: 26px">
        <div align="center">
          <input type="submit" name="Submit1" value="  登 陆 " height="20" style="FONT-SIZE: smaller; HEIGHT: 22px">
        </div>
      </td>
  </tr>
</table> 数据挖掘研究院
</form>
</body>
</html>

<?
/************************
file name: login_chk.php3
************************/
if ($yn!="yes") {

echo "<script language="javascript"> ";
echo "<!-- ";
echo "history.back () ; ";
echo "window.open (′../login/login.htm′,′login′,′height=116,width=210,top=120,left=200,toolbar=no,menubar=no,scrobllbar=no,resizable=no,location=no,status=no′) ";
echo "--> ";
echo "</script> ";
exit;
}
?>

Example:
<? require("login_chk.php3"); ?>
<!--file name: sample.php3-->
<html>
<head></head>
<body>
Success! You have pass the checking.
</body>
<html> 数据挖掘研究院

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