PHP常用的文件操作类
<?php class qyFile { //构造函数 public function __construct() { return true; } //建立文件夹 uploads/20121029/pictrue public function mkDir($aimUrl) { //去除多余的/ $aimUrl = str_replace("\\", '/', $aimUrl); $aimDir = ""; $array = explode("/", $aimUrl); foreach($array as $v) { if($v != "") { $aimDir .= $v.'/'; if(!$this->isExists($aimDir)){ mkdir($aimDir); } } } } //建立文件uploads/20121029/pictrue/1.php public function touch($aimUrl, $overWrite = false) { if($this->isExists($aimUrl) && $overWrite == false) { return false; }elseif($this->isExists($aimUrl) && $overWrite == true) { } //获取目录 $dir = dirname($aimUrl); if(!$this->isExists($dir)) { $this->mkDir($dir); } //创建文件 touch($aimUrl); return true; } //移动文件或文件夹 public function mv($filePath, $aimPath, $overWrite = false) { if($this->isdir($filePath)) { $this->mvDir($filePath, $aimPath, $overWrite); }else{ $this->mvFile($filePath, $aimPath, $overWrite); } } //复制文件或文件夹 public function cp($filePath, $aimPath, $overWrite = false) { if($this->isDir($filePath)) { $this->cpDir($filePath, $aimPath, $overWrite); }else{ $this->cpFile($filePath, $aimPath, $overWrite); } } //删除文件或文件夹 public function rm($filePath) { if($this->isDir($filePath)) { $this->rmDir($filePath); }else{ $this->rmFile($filePath); } } //统计文件或文件夹的大小 public function size($file) { if($this->isDir($file)) { return $this->SizeCount($this->dirSize($file)); }else{ return $this->SizeCount($this->Fsize($file)); } } //统计目录大小 private function dirSize($dirname) { //判断目录是否存在 if(!$this->isExists($dirname) || !is_dir($dirname)) { return false; } //打开目录 $dirHandle = @opendir($dirname); if(!$dirHandle) { return false; } $dirSize = 0; while($file = readdir($dirHandle)) { if($file == "." || $file == "..") { continue; } $path = $dirname.DIRECTORY_SEPARATOR.$file; if(is_dir($path)) { $dirSize += $this->dirSize($path); }else { $dirSize += $this->Fsize($path); } } closedir($dirHandle); return $dirSize; } //统计文件大小 private function Fsize($file) { //判断是否存在,并且是文件 if(!$this->isExists($file) || !is_file($file)){ return false; } return filesize($file); } //文件大小单位的计算 private function SizeCount($fileSize) { $suffix = ""; if($fileSize > pow(2,40)) { $return = round($fileSize/pow(2,40), 2); $suffix = "TB"; }else if($fileSize > pow(2,30)) { $return = round($fileSize/pow(2,30), 2); $suffix = "GB"; }else if($fileSize > pow(2,20)) { $return = round($fileSize/pow(2,20), 2); $suffix = "MB"; }else if($fileSize > pow(2,10)) { $return = round($fileSize/pow(2,10), 2); $suffix = "KB"; }else{ $return = $fileSize; $suffix = "bytes"; } return $return.$suffix; } //将数据写入文件或追加到文件末尾 public function write($file, $content, $append = false) { if(!$this->isExists(dirname($file))) { $this->mkDir(dirname($file)); } $type = $append ? "ab" : "wb"; if(!$fp = @fopen($file,$type)) { return false; } @flock($fp, LOCK_EX); $ok = @fwrite($fp,$content); @flock($fp, LOCK_UN); @fclose($fp); return $ok; } //读取一行 public function readLine($file, $size = 4096){ static $fileArr = array(); if(!$fileArr[$file]) { $fileArr[$file] = @fopen($file, 'rb'); } $fp = $fileArr[$file]; if($fp && !feof($fp)) { return fgets($fp, $size); } fclose($fp); unset($fileArr[$file]); return false; } //读取所有数组 public function readAll($file) { if(!is_file($file)){ return false; } return file_get_contents($file); } //移动文件夹 private function mvDir($oldPath, $aimPath, $overWrite = false) { $oldPath = str_replace('\\', '/', $oldPath); $oldPath = rtrim($oldPath, '/').'/'; $aimPath = str_replace('\\', '/', $aimPath); $aimPath = rtrim($aimPath, '/').'/'; //判断是否是目录 if(!is_Dir($oldPath)) { return false; } //判断目标路径是否存在 if(!$this->isExists($aimPath)) { $this->mkDir($aimPath); } //打开目录 @$dirHandle = opendir($oldPath); if(!$dirHandle) { return false; } //遍历目录 while($file = readdir($dirHandle)) { if($file == '.' || $file == '..') { continue; } if(!is_dir($oldPath.$file)) { $this->mvFile($oldPath.$file, $aimPath.$file, $overWrite); }else { $this->mvDir($oldPath.$file, $aimPath.$file, $overWrite); } } //关闭资源 closedir($dirHandle); } //移动文件 private function mvFile($fileUrl, $aimUrl, $overWrite) { //判断文件是否存在 if(!$this->isExists($fileUrl)) { return false; } if($this->isExists($aimUrl) && $overWrite == false) { return false; }elseif($this->isExists($aimUrl) && $overWrite == true){ $this->rmFile($aimUrl); } $dir = dirname($aimUrl); $this->mkDir($dir); rename($fileUrl, $aimUrl); return true; } //删除文件夹 private function rmDir($aimDir) { $aimDir = str_replace('\\', '/', $aimDir); $aimDir = rtrim($aimDir,'/').'/'; //判断是否是目录 if(!is_dir($aimDir)) { return false; } @$dirHandle = opendir($aimDir); while($file = readdir($dirHandle)) { if($file == '.' || $file == '..') { continue; } if(!is_dir($aimDir.$file)) { $this->rmFile($aimDir.$file); }else{ $this->rmDir($aimDir.$file); } } closedir($dirHandle); return rmdir($aimDir); } //删除文件 private function rmFile($aimFile) { if($this->isExists($aimFile)) { unlink($aimFile); return true; }else{ return false; } } //判断当前文件是否是一个文件夹 public function isDir($path) { return @is_dir($path); } //判断文件是否存在 public function isExists($path) { return @file_exists($path); } //复制目录 private function cpDir($oldDir, $aimDir, $overWrite) { $oldDir = str_replace('\\', '/', $oldDir); $oldDir = rtrim($oldDir, '/').'/'; $aimDir = str_replace('\\', '/', $aimDir); $aimDir = rtrim($aimDir, '/').'/'; if(!$this->isExists($oldDir)) { return false; } if(!$this->isExists($aimDir)) { $this->mkDir($aimDir); } $dirHandle = opendir($oldDir); if(!$dirHandle) { return false; } while($file = readdir($dirHandle)) { if($file == '.' || $file == '..') { continue; } if(!$this->isDir($oldDir.$file)){ $this->cpFile($oldDir.$file, $aimDir.$file, $overWrite); }else{ $this->cpDir($oldDir.$file, $aimDir.$file, $overWrite); } } return closedir($dirHandle); } //复制文件 private function cpFile($fileUrl, $aimUrl, $overWrite) { //判断文件是否存在 if(!$this->isExists($fileUrl)) { return false; } if($this->isExists($aimUrl) && $overWrite == false) { return false; }elseif($this->isExists($aimUrl) && $overWrite == true) { $this->rmFile($aimUrl); } $dir = dirname($aimUrl); $this->mkDir($dir); copy($fileUrl,$aimUrl); return true; } } $file = new qyFile(); //$file->mkDir('uploads/20121029/pictrue'); //$file->touch('uploads/20121029/pictrue/1.php'); //$file->mvDir('uploads','myupload','false'); //$file->rmDir('myupload'); // $file->rmFile('uploads/1.txt'); //$file->mvFile('uploads/1.txt','myupload/1.txt',false); //$file->mv('uploads','myupload',false); //$file->cpdir('uploads','up',false); //$file->write('myupload/1.txt','11111111111', false); //echo $file->readAll('myupload/1.txt'); //echo $file->SizeCount($file->dirSize('Guest0.1')); echo $file->size('myupload'); ?>