$fz = new fmzip;
$fz->setzipname(打包文件名);
#打包/压缩
$fz->setsource(待打包目录);
$fz->compress($silent,$compress);
#解包/解压
$fz->settarget(待解包目录);
$fz->uncompress($silent);
*/
class fmzip
{
var $source; //压缩源
var $target; //解压目的文件夹
var $zipname;//压缩文件名
var $handle; //打开压缩文件的句柄
var $silent; //是否输出
var $count_dir; //计数器_文件夹
var $count_file;//计数器_文件
var $dirlist;
function setsource($source)//设置压缩源
{
if(!file_exists($source))
die(source does not exist.);
$this->source = $source;
}
function settarget($target)//设置解压目的文件夹
{
if(!file_exists($target))
$this->makedir($target);
chdir(dirname($_server['script_filename']));
if(substr($target,-1)==/)
$target = substr($target,0,strlen($target)-1);
if(!file_exists($target))
{
die(target does not exist.);
}
$this->target = $target;
}
function setzipname($zipname)//设置压缩文件名
{
if(empty($zipname)) $zipname = fmzip.fz;
$this->zipname = $zipname;
}
function compress($silent = false, $compress = true) //压缩
{
$this->silent = $silent;
if($silent===false)echo
compressing...rn;
if(is_file($this->zipname))unlink($this->zipname);
$this->handle = fopen($this->zipname,w);//创建压缩文件
if($this->handle == null) die(error creating $this->zipname);//打开失败
$this->count_dir = 0; $this->count_file = 0; //初始化计数器
$this->merge($this->source);//压缩
fwrite($this->handle,-1);//结束标志
fclose($this->handle);//关闭文件
echo rndirectory: $this->count_dir;
echo rnfile: $this->count_filern;
if(function_exists(gzcompress) && $compress==true)
{
file_put_contents($this->zipname.gz,gzcompress(file_get_contents($this->zipname)));
unlink($this->zipname);
}
if($silent===false)
{
echo $this->listfile();
echo
;
}
}function listfile()
{
if(file_exists($this->zipname.gz))
return zipname.gz target=_blank>download $this->zipname.gz;
if(file_exists($this->zipname))
return zipname target=_blank>download $this->zipname;
}
function merge($dir)//合并文件、文件夹(递归)
{
/* 说明：不处理link。 */
if(is_dir($dir))//如果压缩源是文件夹
{
$list = scandir($dir);//扫描文件列表
natcasesort($list);
foreach($list as $file)//先处理文件夹
{
$full = $dir/$file;
if(!is_dir($full)||$file==.||$file==..)continue;//只处理文件夹
$this->count_dir++;
if($this->silent===false)
echo [dir] $fullrn; //输出提示
fwrite($this->handle,$this->file_info($full));//写入文件夹信息
$this->merge($full);//递归合并下级文件夹
}//文件夹处理完毕;
foreach($list as $file)//处理文件
{
$full = $dir/$file;
if(!is_file($full)||$file==.||$file==..)continue; //只处理文件
$this->count_file++;
if($this->silent===false)
echo [file] $fullrn;//输出提示
fwrite($this->handle,$this->file_info($full));//写入文件信息
}//文件处理完毕
}
else
{
$this->count_file++;
if($this->silent===false)echo [file] $fullrn;//输出提示
fwrite($this->handle,$this->file_info($file));//写入文件信息
}
}//end function merge
function file_info($file)
{
$perm = substr(sprintf('%o',fileperms($file)), -3); //权限
$filename = str_replace($this->source,,$file);
if(is_file($file))//文件
{
$size = filesize($file); //文件大小
return 1rn$filenamern$permrn$sizern.file_get_contents($file).rn;// .文件内容
}
if(is_dir($file))//目录
return 0rn$filenamern$permrn;
}//end function file_info
function uncompress($silent = false)
{
$this->silent = $silent;
if($silent===false)echo
uncompressing...rn;
if(substr($this->zipname,-3)==.gz)
$this->zipname = substr($this->zipname,0,strlen($this->zipname)-3);
if(file_exists($this->zipname.gz))
{
if(!function_exists(gzuncompress))
die(function gzuncompress is not supported. unable to continue.);
file_put_contents($this->zipname,gzuncompress(file_get_contents($this->zipname.gz)));
}
$this->handle = fopen($this->zipname,r);
if($this->handle == null) die(error reading $this->zipname);//打开失败
$count = 0;
while(1)
{
$count ++;
$type = $this->read_line(); //读取类型
if($type === -1)break;//处理完毕,退出
$filename = $this->target.$this->read_line();//读取文件名
$permission = $this->read_line();//读取权限
/* [0]n[file_name]n[perm]n */
if($type === 0)//目录
{
if($this->silent === false)//输出提示
echo [dir] $filename [$permission]rn;
$this->makedir($filename);//创建文件夹
chdir(dirname($_server['script_filename']));
chmod($filename,$permission);
$this->dirlist[$filename] = 1;
continue;
}
/* [1]n[file_name]n[perm]n[size]n[contents]n */
if($type === 1)//文件
{
$this->count_file++;
$size = $this->read_line(); //读取文件大小
if($this->silent === false)//输出提示
echo [file] $filename [$permission] [size = $size]rn;
if($size!=0)
{
$fp = fopen($filename,w);
$contents = fread($this->handle,$size);
fwrite($fp,$contents);
fclose($fp);
chmod($filename,$permission);
}
$this->read_line();//内容后的一个回车
continue;
}
}
$this->count_dir = count($this->dirlist);
if($silent===false)
echo ndirectory: $this->count_dir;
echo nfile: $this->count_filen
n;
fclose($this->handle);
if(file_exists($this->zipname.gz))unlink($this->zipname);
}//end function uncompress;function read_line()
{
$a = fgets($this->handle);
$a = str_replace(rn,,$a);
$a = str_replace(n,,$a);
return $a;
}
function makedir($full)
{
list($a,$b) = split(/,$full,2);
if($a == ) return;
if(file_exists($a)&&!is_dir($a))die(can't create dir $a);
if(!file_exists($a))@mkdir($a);
chdir($a);
if($b!==)
$this->makedir($b);
chdir(..);
}//end function makedir
} //end class fmzip
/*
使用方法:
#必须
include(包含这个class的php文件);
$fz = new fmzip;
$fz->setzipname(打包文件名);
#打包/压缩
$fz->setsource(待打包目录);
$fz->compress($silent,$compress);
#解包/解压
$fz->settarget(待解包目录);
$fz->uncompress($silent);
$silent : true|false (不加引号!) 是否产生输出 默认为true,不产生
$compress : true|false (不加引号!) 是否压缩 默认为true,压缩