PHP4中session的應用(1)--登入頁面(login.php3)

來源:互聯網
上載者:User
session|頁面 <?php
//這個指令碼是用來給使用者輸入口令,並判斷口令是否正確的。
//如果正確則轉到歡迎頁面。
if ($login){
    include("../include/config.inc.php3");
    session_start();
    $right_enter='0';
    $query="select * from user_define where user_login='$user_login' and user_pass=password('$user_pass')";
    $result=@mysql_query($query,$dbconnect);
    if ($user_array=@mysql_fetch_array($result)){
        $user_id=$user_array[user_id];
        $user_name=$user_array[user_info];
        session_register("user_id");
        session_register("user_name");
        session_register("user_array");
        if(($user_array[ticket_day]) and ($user_array[ticket_num])){
            $right_enter='1';
        }
        else{
            $error_message="對不起,您沒有訂票的許可權!";
        }
    }
    else{
        $error_message="錯誤!使用者名稱錯,或口令錯。請重新輸入。";
    }
    $log_time=date("Y-m-d H:i:s");
    $query="insert into log_record (log_time,user_login,remote_addr,right_enter,enter_function) values ('$log_time','$user_login','$REMOTE_ADDR','$right_enter','1')";
    @mysql_query($query,$dbconnect);
    if($right_enter){
        Header("Location: welcome_reserve.php3");
        exit;
    }
}
if($logout){
    session_start();
    session_unregister("user_id");
    session_unregister("user_name");
    session_unregister("user_array");
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>
<head>
    <title>使用者登入</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="../include/njz_common.css">
</head><body>
<p> </p>

<form name="form1" method="post" action="<?php echo $PHP_SELF; ?>" >
  <table width="289" border="1" cellspacing="0" cellpadding="1" bordercolor="#999999" align="center">
    <tr bgcolor="#999999">
      <td>
        <div align="center"><font color="#FFFFFF" size="4">使用者登入</font></div>
      </td>
    </tr>
    <tr>
      <td>
        <table width="267" border="0" cellspacing="0" cellpadding="5" align="center">
          <tr>
            <td width="94">
              <div align="right">使用者:</div>
            </td>
            <td width="169">
              <input type="text" name="user_login" size="16" maxlength="16" value="<?php echo $user_login; ?>">
            </td>
          </tr>
          <tr>
            <td width="94">
              <div align="right">口令:</div>
            </td>
            <td width="169">
              <input type="password" name="user_pass" size="16" maxlength="16">
            </td>
          </tr>
          <tr>
            <td colspan="2">
              <div align="center">
                <input type="submit" name="login" value=" 登  錄 ">
                <input type="button" name="return_index" value="返回首頁" onClick="form1.action='../include/goto_page.php3?dist_page=../main.php3';form1.submit();return;">
              </div>
            </td>
          </tr>
        </table>
      </td>
    </tr>
  </table>
</form>
<?php
if($error_message) echo "<center><font color='#ff0000'>$error_message</font></center>";
?>
<SCRIPT language="JavaScript">document.form1.user_login.focus();
</SCRIPT>
<p> </p>
<?php include("../footer.php3"); ?>
</body>
</html>
 

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