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▪如何在PHP程序中防止盗链
example: 页面: dl.php -------------------------------------------------------------------------------------- 代码如下:<?php $id = $_GET['id']; $act = $_GET['act']; switch.........
▪php的access操作类
代码如下:<?php -------------------------------------------------------------------- //FileName:class.php //Summary: Access数据库操作类 //Author: forest //CreateTime: 2006-8-10 .........
▪php时间不正确的解决方法
2。date_default_timezone_set("PRC"); 3。PHP 5.1以上 PHP.ini date.timezone = PRC 或则 设置时区,php5新增的。 再php.ini中找到 [Date] ; Defines the .........
[1]如何在PHP程序中防止盗链
来源: 互联网 发布时间: 2013-11-30
example:
页面: dl.php
--------------------------------------------------------------------------------------
<?php
$id = $_GET['id'];
$act = $_GET['act'];
switch($act) {
default :
case "display" : displayHTML(); break;
case "down" : down(); break;
}
function displayHTML($id) {
setcookie("visited", "true");
// print your HTML.
}
function down($id) {
if(! isset($_COOKIE['visited']) ) print "你盗联?";
$sql = "select path from TABLE where id=". $id;
//..............................
}
?>
<a href="/blog_article/dl/id/1/amp;act/down.html">Download Now...</a>
页面: dl.php
--------------------------------------------------------------------------------------
代码如下:
<?php
$id = $_GET['id'];
$act = $_GET['act'];
switch($act) {
default :
case "display" : displayHTML(); break;
case "down" : down(); break;
}
function displayHTML($id) {
setcookie("visited", "true");
// print your HTML.
}
function down($id) {
if(! isset($_COOKIE['visited']) ) print "你盗联?";
$sql = "select path from TABLE where id=". $id;
//..............................
}
?>
<a href="/blog_article/dl/id/1/amp;act/down.html">Download Now...</a>
[2]php的access操作类
来源: 互联网 发布时间: 2013-11-30
代码如下:
<?php
--------------------------------------------------------------------
//FileName:class.php
//Summary: Access数据库操作类
//Author: forest
//CreateTime: 2006-8-10
//LastModifed:
//copyright (c)2006
//http://freeweb.nyist.net/~chairy
//[email]chaizuxue@163.com[/email]
// 使用范例:
//$databasepath="database.mdb";
//$dbusername="";
//$dbpassword="";
//include_once("class.php");
//$access=new Access($databasepath,$dbusername,$dbpassword);
--------------------------------------------------------------------
class Access
{
var $databasepath,$constr,$dbusername,$dbpassword,$link;
function Access($databasepath,$dbusername,$dbpassword)
{
$this->databasepath=$databasepath;
$this->username=$dbusername;
$this->password=$dbpassword;
$this->connect();
}
function connect()
{
$this->constr="DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" . realpath($this->databasepath);
$this->link=odbc_connect($this->constr,$this->username,$this->password,SQL_CUR_USE_ODBC);
return $this->link;
//if($this->link) echo "恭喜你,数据库连接成功!";
//else echo "数据库连接失败!";
}
function query($sql)
{
return @odbc_exec($this->link,$sql);
}
function first_array($sql)
{
return odbc_fetch_array($this->query($sql));
}
function fetch_row($query)
{
return odbc_fetch_row($query);
}
function total_num($sql)//取得记录总数
{
return odbc_num_rows($this->query($sql));
}
function close()//关闭数据库连接函数
{
odbc_close($this->link);
}
function insert($table,$field)//插入记录函数
{
$temp=explode(',',$field);
$ins='';
for ($i=0;$i<count($temp);$i++)
{
$ins.="'".$_POST[$temp[$i]]."',";
}
$ins=substr($ins,0,-1);
$sql="INSERT INTO ".$table." (".$field.") VALUES (".$ins.")";
$this->query($sql);
}
function getinfo($table,$field,$id,$colnum)//取得当条记录详细信息
{
$sql="SELECT * FROM ".$table." WHERE ".$field."=".$id."";
$query=$this->query($sql);
if($this->fetch_row($query))
{
for ($i=1;$i<$colnum;$i++)
{
$info[$i]=odbc_result($query,$i);
}
}
return $info;
}
function getlist($table,$field,$colnum,$condition,$sort="ORDER BY id DESC")//取得记录列表
{
$sql="SELECT * FROM ".$table." ".$condition." ".$sort;
$query=$this->query($sql);
$i=0;
while ($this->fetch_row($query))
{
$recordlist[$i]=getinfo($table,$field,odbc_result($query,1),$colnum);
$i++;
}
return $recordlist;
}
function getfieldlist($table,$field,$fieldnum,$condition="",$sort="")//取得记录列表
{
$sql="SELECT ".$field." FROM ".$table." ".$condition." ".$sort;
$query=$this->query($sql);
$i=0;
while ($this->fetch_row($query))
{
for ($j=0;$j<$fieldnum;$j++)
{
$info[$j]=odbc_result($query,$j+1);
}
$rdlist[$i]=$info;
$i++;
}
return $rdlist;
}
function updateinfo($table,$field,$id,$set)//更新记录
{
$sql="UPDATE ".$table." SET ".$set." WHERE ".$field."=".$id;
$this->query($sql);
}
function deleteinfo($table,$field,$id)//删除记录
{
$sql="DELETE FROM ".$table." WHERE ".$field."=".$id;
$this->query($sql);
}
function deleterecord($table,$condition)//删除指定条件的记录
{
$sql="DELETE FROM ".$table." WHERE ".$condition;
$this->query($sql);
}
function getcondrecord($table,$condition="")// 取得指定条件的记录数
{
$sql="SELECT COUNT(*) AS num FROM ".$table." ".$condition;
$query=$this->query($sql);
$this->fetch_row($query);
$num=odbc_result($query,1);
return $num;
}
}
?>
[3]php时间不正确的解决方法
来源: 互联网 发布时间: 2013-11-30
2。date_default_timezone_set("PRC");
3。PHP 5.1以上
PHP.ini
date.timezone = PRC
或则
设置时区,php5新增的。
再php.ini中找到
[Date]
; Defines the default timezone used by the date functions
date.timezone =Asia/Shanghai
修改为如上就可以了,更多的timezone支持请到php网站可找到。
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