config.php

本程序适合新手入门学习用,偶也是一个新手,愿意和大家一同学习交流, 最近也比较忙,大家从程序中就能看出来,程序修改时间是很久前的, 因为最近正在学习模版技术,所以这个现在自己都感觉很头痛,不想改了

<?php
   //登陆主机配置
     $Host     = "localhost";
     $Database = "class";
     $User     = "root";
     $Password = "myoa888";

//登陆区
 $login="<form action='login.php' method='get'><table class='table' width='165' cellpadding='0' cellspacing='0'>
<tr>
<td bgcolor='#228B22' colspan='2'><div align='center'>用户登陆</div></td>
</tr>
<tr>
<td><div align='right'>用户名:</div></td>
<td>
<input class='button' name='username' type='text' size='8'>
</td>
</tr>
<tr>
<td><div align='right'>密&nbsp; &nbsp;码:</div></td>
<td>
<input class='button' name='password' type='password' size='8'>
</td>
</tr>
<tr>
<td colspan='2'><div align='center'>
<input class='button' type='submit' name='ok' value='登陆'>&nbsp;
<input class='button' type='reset' name='Clear' value='重置'>
</div></td>
</tr>
</table></form>"; 

function session()  //刷新跳转到新页面函数
{
session_start();
if(session_is_registered("myRefresh")){
session_destroy();
header("Location:index.php");
}
$no++;
session_register("myRefresh");
}

function myreaddir($dir)   //读取$dir文件夹中的内容，返回值为包含所有文件名的数组
{
        $handle=opendir($dir);
        $i=0;
        while($file=readdir($handle))
	{
                if (($file!=".")and($file!=".."))
		{
                        $list[$i]=$file;
                        $i=$i+1;
		}
	}
        closedir($handle);
        return $list;
}

/* function fileup() //文件上传函数
{
	for($i=0;$i<$cnt;$i++)
	{
		$ffnn     = "file".$i;
		$ffnnname = $ffnn."_name";
		$ffpath   = "path".$i;

		print $$ffnnname."文件上传成功!";
		print "<br>";

	    if($filename!="none")
	       {
             copy($$ffnn,$$ffpath.$$ffnnname);
             unlink($$ffnn);
           }
	}
} */

/* function cont()  //文本计数器函数
{
	if(!file_exists("count.txt"))
	{
		$fp=fopen("count.txt","w");
		fwrite($fp,"1");
		fclose($fp);
		$n=1;
	}
	else
	{
		$fp=fopen("count.txt","r");
		$n=fgets($fp);
		fclose($fp);
		$n++;
		$fp=fopen("count.txt","w");
		fwrite($fp,$n);
		fclose($fp);
	}
	return $n;
} */

/* function counter() //防刷图形计数器
{
session_start();
$conn   = @mysql_connect($Host, $User, $Password);
          @mysql_select_db($Database,$conn);
$sql    = "SELECT counter FROM counter";
$result = @mysql_query($sql);
if(!empty($result))
{
  $row=mysql_fetch_array($result);
  $counter=++$row[counter];
  if(!$_SESSION['counter'])
  {
   $query="UPDATE counter SET counter=$counter";
   $result=@mysql_query($query);
   if($result)
   {
    $_SESSION['counter']=true;
   }
  }
  $counter_len=strlen($counter);
  for($i=0;$i<$counter_len;$i++)
  {
   $number=substr($counter,$i,1);
   if(isset($number))
   {
    echo "<table border='1'><tr><td><img src='images/count/".$number.".gif'></td></tr></table>";
   }
  }
}
@mysql_close($conn);
}  */
 

function userLogout()    //用户注销 
    { 
        session_start(); 
        unset($_SESSION['username']);    //清除session中的username 
        if(setcookie('sid','',time()-3600)) //time函数取得当前时间+1小时(60×60),删除cookie前必须把cookie时间设置到当前时间的前面
            //清除cookie中的sid 
            return true; 
        else  
            return false; 
    } 


function isLoggedin()    //判断是否登录 
    { 
        if(isset($_COOKIE['sid']))    //如果cookie中保存有sid 
        { 
            session_id($_COOKIE['sid']); 
            session_start(); 
            $username  = $_SESSION['username']; 
            // $userid    = $_SESSION['userid']; 
            // $userlevel = $_SESSION['userlevel']; 判断用户状态
            return true; 
        } 
        else    //如果cookie中未保存sid,则直接检查session 
        { 
            session_start(); 
            if(isset($_SESSION['username'])) 
                return true; 
        } 
        return false; 
	}
	

?>