$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 <$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 <$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 "<pre>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 "</pre>";
  }
}

function listfile()
{
  if(file_exists("$this->zipname.gz"))
    return "<a href="$this->zipname.gz" target="_blank">download $this->zipname.gz</a>";
  if(file_exists("$this->zipname"))
    return "<a href="$this->zipname" target="_blank">download $this->zipname</a>";
}

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 "<pre>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 = $this->read_line();//读取权限
/* <文件夹> [0]n[file_name]n[perm]n */
    if($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;
    }
/* <文件> [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: $this->count_filen</pre>n";
  fclose($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

教程链接:http://www.phprm.com/code/35682.html

随意转载~但请保留教程地址★