/**
* File up load class
* @version 1.0.0 (Thu Aug 18 01:32:39 CST 2005)
* @author sanshi
*/
class upLoad
{
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:00:18 CST 2005
* @param string $info 文件内容
* @param string $fileName 生成的文件名
* @return boolean 建立成功返回true
* @deprecated
* 建立html文件
*/
function createHtml( $info ,$fileName )
{
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:03:09 CST 2005
* @return void
* @deprecated
* 构造函数
*/
function downLoad()
{}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:03:55 CST 2005
* @param string $fileField 在表单中的字段名
* @param string $length 限制的长度
* @return boolean 成功返回true
* @deprecated
* 功能实现函数
*/
function init($fileField,$length='')
{
$files = $_FILES[$fileField];
//用户名需要改动,根据自己的实际情况做改动
$userName = 'sanshi';
$fileName = $files['name'];
$fileType = $files['type'];
$fileTemp = $files['tmp_name'];
$fileSize = empty( $length ) ? ($files['size']+10) : $length;
$fileError= $files['error'];//这块也许php4中没有
//改为
//if( $this->_isType( $fileName ) || $this->_isBig( $length ) )
if( !$this->_isType( $fileName ) || $this->_isBig( $length ) || $fileError != 0 )
{
//print_r ($files);
return false;
}else{
$path = $this->_createDir( $userName );//取得路径
$createFileName = $userName . "_" . time();//设置当前文件名
$createFileType = $this->getFileType($fileName);//设置文件类别
return @move_uploaded_file($fileTemp,$path.$createFileName.'.'.$createFileType) ? true : false;
}
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:07:43 CST 2005
* @param int $length 上传限制的大小
* @return boolean 超过返回true
* @deprecated
* 判断是否超过预定大小
*/
function _isBig($length)
{
$bigest = '';
return $big > $bigest ? true : false;
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:08:55 CST 2005
* @param string $fileName 文件名
* @return string $fileType 文件后缀
* @deprecated
* 取得文件后缀(只取得文件的最后一个后缀名)
*/
function getFileType($fileName)
{
return end(explode('.',$fileName));
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:10:41 CST 2005
* @param string $fileName 文件名
* @param boolean $method 是否检查多个后缀默认false
* @param int $postFix 后缀个数默认为2
* @return boolean 存在返回true
* @deprecated
* 检查文件的后缀是否在类别数组中,类别数组自己设置
* 如果$method设置为true则检查文件有几个后缀
*/
function _isType($fileName,$method='false',$postFix=2)
{
//设置类别数组
$type = array('jpeg',
'gif',
'bmp',
'exe');
$fileName = strtolower( $fileName );
$fileTypeArray = explode( '.',$fileName );
$fileType = end( $fileTypeArray );
//判断是否有一个文件有多个后缀
if($method)
{
if( count( $fileTypeArray ) > (is_int($postFix) ? $postFix : 2) )
{
return false;
}
}
return in_array($fileType,$type);
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:17:19 CST 2005
* @param string $userName
* @return string $path
* @deprecated
* 建立目录 目录格式 年/月/日/用户名/
* 权限为755
*/
function _createDir($userName)
{
$root = '';
$pathSign = DIRECTORY_SEPARATOR;
$y = date('Y').$pathSign;
$m = date('m').$pathSign;
$d = date('d').$pathSign;
$path = $root . $y . $m . $d . $userName;
$dirArray = explode( $pathSign,$path);
$tempDir='';
foreach ( $dirArray as $dir)
{
$tempDir.= $dir.$pathSign;
$isFile = file_exists( $tempDir );
clearstatcache();
if( ! $isFile && !is_dir( $tempDir ) )
{
@mkdir($tempDir,0755);
}
}
return $path . $pathSign;
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:19:32 CST 2005
* @param string $dirName 目录名
* @return boolean 可以操作返回true
* @deprecated
* 判断操作是否在上传目录
*/
function _isDel($dirName)
{
//注意upLoadDir,一定要与真正使用目录相对应
$upLoadDir = '';
$upLoadDir = preg_replace('/\\//','\/',$upLoadDir);
$format = "/^{$upLoadDir}/";
return preg_match( $format,$dirName );
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:25:58 CST 2005
* @param string $fileName 文件名
* @return boolean 删除文件成功返回true
* @deprecated
* 删除文件
*/
function delFile( $fileName )
{
$cur_dir = dirname(trim($fileName));
if( $this->_isDel( $cur_dir ) )
{
return @unlink( $fileName ) ? true : false;
}else{
return false;
}
}
/**
*
* @author sanshi
* @version 1.0.0 Thu Aug 18 01:27:43 CST 2005
* @param string $dieName 目录名
* @return boolean 删除成功返回true
* @deprecated
* 删除目录 目录下如果有文件不能删除
*/
function delDir( $dirName )
{
if( $this->_isDel($dirName) && is_dir( $dirName ) )
{
return @rmdir( $dirName ) ? true : false;
}else{
return false;
}
}
}
?>
//使用
/*
include 'upLoad.class.php';
$up = new upLoad();
if($up->init("file"))
{
echo 'success';
}else{
echo 'failure';
}
*/
?>

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