


How to create a multi-level directory with complete encapsulation classes in PHP
本篇文章主要介绍php创建多级目录完整封装类的方法,感兴趣的朋友参考下,希望对大家有所帮助。
创建多级目录函数中调用创建指定下的指定文件的函数:
public function create_dir($dir,$mode=0777) { return is_dir($dir) or ($this->create_dir(dirname($dir)) and mkdir($dir, $mode)); }
创建指定路径下的指定文件,string 需要包含文件名和后缀path(需要包含文件名和后缀),booleanover_write 是否覆盖文件,int 设置时间。默认是当前系统时间time设置时间。默认是当前系统时间,intatime 设置访问时间。默认是当前系统时间。函数如下中调用了create_dir创建目录函数及删除unlink_file函数:
public function create_file($path,$over_write=FALSE,$time=NULL,$atime=NULL) { $path = $this->dir_replace($path); $time = empty($time) ? time() : $time; $atime = empty($atime) ? time() : $atime; if(file_exists($path) && $over_write) { $this->unlink_file($path); } $aimDir = dirname($path); $this->create_dir($aimDir); return touch($path,$time,$atime); }
删除非空目录函数,说明:只能删除非系统和特定权限的文件,否则会出现错误,string目录路径dirName目录路径,booleanis_all是否删除所有,boolean $del_dir 是否删除目录,函数如下:
public function remove_dir($dir_path,$is_all=FALSE) { $dirName = $this->dir_replace($dir_path); $handle = @opendir($dirName); while (($file = @readdir($handle)) !== FALSE) { if($file != '.' && $file != '..') { $dir = $dirName . '/' . $file; if($is_all) { is_dir($dir) ? $this->remove_dir($dir) : $this->unlink_file($dir); } else { if(is_file($dir)) { $this->unlink_file($dir); } } } } closedir($handle); return @rmdir($dirName); }
替换路径中//的字符相应的字符函数:
public function dir_replace($path) { return str_replace('//','/',str_replace('\\','/',$path)); }
/** * 指定文件编码转换 * @param string $path 文件路径 * @param string $input_code 原始编码 * @param string $out_code 输出编码 * @return boolean */ public function change_file_code($path,$input_code,$out_code) { if(is_file($path))//检查文件是否存在,如果存在就执行转码,返回真 { $content = file_get_contents($path); $content = string::chang_code($content,$input_code,$out_code); $fp = fopen($path,'w'); return fputs($fp,$content) ? TRUE : FALSE; fclose($fp); } }
/**
* 取得上传文件信息
* @param $file file属性信息
* @return array
*/
public function get_upload_file_info($file) { $file_info = $_FILES[$file];//取得上传文件基本信息 $info = array(); $info['type'] = strtolower(trim(stripslashes(preg_replace("/^(.+?);.*$/", "\\1", $file_info['type'])), '"'));//取得文件类型 $info['temp'] = $file_info['tmp_name'];//取得上传文件在服务器中临时保存目录 $info['size'] = $file_info['size'];//取得上传文件大小 $info['error'] = $file_info['error'];//取得文件上传错误 $info['name'] = $file_info['name'];//取得上传文件名 $info['ext'] = $this->get_ext($file_info['name']);//取得上传文件后缀 return $info; }
/**
* 取得文件路径信息
* @param $full_path 完整路径
* @return ArrayObject
*/
public function get_file_type($path) { //pathinfo() 函数以数组的形式返回文件路径的信息。 //---------$file_info = pathinfo($path); echo file_info['extension'];----------// //extension取得文件后缀名【pathinfo($path,PATHINFO_EXTENSION)】-----dirname取得文件路径【pathinfo($path,PATHINFO_DIRNAME)】-----basename取得文件完整文件名【pathinfo($path,PATHINFO_BASENAME)】-----filename取得文件名【pathinfo($path,PATHINFO_FILENAME)】 return pathinfo($path); }
/**
* 返回指定文件和目录的信息
* @param string $file
* @return ArrayObject
*/
public function list_info($file) { $dir = array(); $dir['filename'] = basename($file);//返回路径中的文件名部分。 $dir['pathname'] = realpath($file);//返回绝对路径名。 $dir['owner'] = fileowner($file);//文件的 user ID (所有者)。 $dir['perms'] = fileperms($file);//返回文件的 inode 编号。 $dir['inode'] = fileinode($file);//返回文件的 inode 编号。 $dir['group'] = filegroup($file);//返回文件的组 ID。 $dir['path'] = dirname($file);//返回路径中的目录名称部分。 $dir['atime'] = fileatime($file);//返回文件的上次访问时间。 $dir['ctime'] = filectime($file);//返回文件的上次改变时间。 $dir['perms'] = fileperms($file);//返回文件的权限。 $dir['size'] = filesize($file);//返回文件大小。 $dir['type'] = filetype($file);//返回文件类型。 $dir['ext'] = is_file($file) ? pathinfo($file,PATHINFO_EXTENSION) : '';//返回文件后缀名 $dir['mtime'] = filemtime($file);//返回文件的上次修改时间。 $dir['isDir'] = is_dir($file);//判断指定的文件名是否是一个目录。 $dir['isFile'] = is_file($file);//判断指定文件是否为常规的文件。 $dir['isLink'] = is_link($file);//判断指定的文件是否是连接。 $dir['isReadable'] = is_readable($file);//判断文件是否可读。 $dir['isWritable'] = is_writable($file);//判断文件是否可写。 $dir['isUpload'] = is_uploaded_file($file);//判断文件是否是通过 HTTP POST 上传的。 return $dir; }
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