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887 lines
28 KiB
887 lines
28 KiB
10 months ago
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<?php
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// +----------------------------------------------------------------------
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// | 天诚科技 [ 刘海东 17600099397赋能开发者,助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2020 https://www.tczxkj.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 该系统并不是自由软件,未经许可不能去掉相关版权
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// +----------------------------------------------------------------------
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// | Author:甘肃天诚志信电子商务有限公司 刘海东 联系电话维系17600099397
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// +----------------------------------------------------------------------
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namespace service;
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class FileService
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{
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/*
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@function 创建目录
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@var:$filename 目录名
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@return: true
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*/
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static public function mk_dir($dir)
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{
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$dir = rtrim($dir, '/') . '/';
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if (!is_dir($dir)) {
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if (mkdir($dir, 0700) == false) {
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return false;
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}
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return true;
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}
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return true;
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}
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/*
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@function 写文件
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@var:$filename 文件名
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@var:$writetext 文件内容
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@var:$openmod 打开方式
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@return: 成功=true
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*/
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static function write_file($filename, $writetext, $openmod = 'w')
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{
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if (@$fp = fopen($filename, $openmod)) {
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flock($fp, 2);
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fwrite($fp, $writetext);
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fclose($fp);
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return true;
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} else {
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return false;
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}
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}
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/*
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@function 删除目录
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@var:$dirName 原目录
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@return: 成功=true
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*/
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static function del_dir($dirName)
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{
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if (!file_exists($dirName)) {
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return false;
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}
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$dir = opendir($dirName);
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while ($fileName = readdir($dir)) {
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$file = $dirName . '/' . $fileName;
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if ($fileName != '.' && $fileName != '..') {
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if (is_dir($file)) {
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self::del_dir($file);
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} else {
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unlink($file);
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}
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}
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}
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closedir($dir);
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return rmdir($dirName);
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}
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/*
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@function 复制目录
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@var:$surDir 原目录
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@var:$toDir 目标目录
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@return: true
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*/
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public function copy_dir($surDir, $toDir)
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{
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$surDir = rtrim($surDir, '/') . '/';
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$toDir = rtrim($toDir, '/') . '/';
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if (!file_exists($surDir)) {
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return false;
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}
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if (!file_exists($toDir)) {
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$this->create_dir($toDir);
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}
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$file = opendir($surDir);
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while ($fileName = readdir($file)) {
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$file1 = $surDir . '/' . $fileName;
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$file2 = $toDir . '/' . $fileName;
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if ($fileName != '.' && $fileName != '..') {
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if (is_dir($file1)) {
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self::copy_dir($file1, $file2);
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} else {
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copy($file1, $file2);
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}
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}
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}
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closedir($file);
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return true;
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}
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/*
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@function 列出目录
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@var:$dir 目录名
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@return: 目录数组
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列出文件夹下内容,返回数组 $dirArray['dir']:存文件夹;$dirArray['file']:存文件
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*/
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static function get_dirs($dir)
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{
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$dir = rtrim($dir, '/') . '/';
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$dirArray [][] = NULL;
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if (false != ($handle = opendir($dir))) {
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$i = 0;
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$j = 0;
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while (false !== ($file = readdir($handle))) {
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if (is_dir($dir . $file)) { //判断是否文件夹
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$dirArray ['dir'] [$i] = $file;
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$i++;
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} else {
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$dirArray ['file'] [$j] = $file;
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$j++;
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}
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}
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closedir($handle);
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}
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return $dirArray;
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}
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/*
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@function 统计文件夹大小
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@var:$dir 目录名
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@return: 文件夹大小(单位 B)
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*/
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static function get_size($dir)
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{
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$dirlist = opendir($dir);
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$dirsize = 0;
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while (false !== ($folderorfile = readdir($dirlist))) {
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if ($folderorfile != "." && $folderorfile != "..") {
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if (is_dir("$dir/$folderorfile")) {
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$dirsize += self::get_size("$dir/$folderorfile");
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} else {
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$dirsize += filesize("$dir/$folderorfile");
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}
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}
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}
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closedir($dirlist);
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return $dirsize;
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}
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/*
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@function 检测是否为空文件夹
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@var:$dir 目录名
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@return: 存在则返回true
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*/
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static function empty_dir($dir)
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{
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return (($files = @scandir($dir)) && count($files) <= 2);
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}
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/**
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* 创建多级目录
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* @param string $dir
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* @param int $mode
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* @return boolean
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*/
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public function create_dir($dir, $mode = 0777)
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{
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return is_dir($dir) or ($this->create_dir(dirname($dir)) and mkdir($dir, $mode));
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}
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/**
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* 创建指定路径下的指定文件
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* @param string $path (需要包含文件名和后缀)
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* @param boolean $over_write 是否覆盖文件
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* @param int $time 设置时间。默认是当前系统时间
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* @param int $atime 设置访问时间。默认是当前系统时间
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* @return boolean
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*/
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public function create_file($path, $over_write = FALSE, $time = NULL, $atime = NULL)
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{
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$path = $this->dir_replace($path);
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$time = empty($time) ? time() : $time;
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$atime = empty($atime) ? time() : $atime;
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if (file_exists($path) && $over_write) {
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$this->unlink_file($path);
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}
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$aimDir = dirname($path);
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$this->create_dir($aimDir);
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return touch($path, $time, $atime);
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}
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/**
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* 关闭文件操作
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* @param string $path
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* @return boolean
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*/
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public function close($path)
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{
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return fclose($path);
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}
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/**
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* 读取文件操作
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* @param string $file
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* @return boolean
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*/
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public function read_file($file)
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{
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return @file_get_contents($file);
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}
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/**
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* 确定服务器的最大上传限制(字节数)
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* @return int 服务器允许的最大上传字节数
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*/
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public function allow_upload_size()
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{
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$val = trim(ini_get('upload_max_filesize'));
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return $val;
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}
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/**
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* 字节格式化 把字节数格式为 B K M G T P E Z Y 描述的大小
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* @param int $size 大小
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* @param int $dec 显示类型
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* @return int
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*/
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public function byte_format($size, $dec = 2)
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{
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$a = array("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB");
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$pos = 0;
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while ($size >= 1024) {
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$size /= 1024;
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$pos++;
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}
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return round($size, $dec) . " " . $a[$pos];
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}
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/**
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* 删除非空目录
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* 说明:只能删除非系统和特定权限的文件,否则会出现错误
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* @param string $dirName 目录路径
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* @param boolean $is_all 是否删除所有
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* @param boolean $del_dir 是否删除目录
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* @return boolean
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*/
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public function remove_dir($dir_path, $is_all = FALSE)
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{
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$dirName = $this->dir_replace($dir_path);
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$handle = @opendir($dirName);
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while (($file = @readdir($handle)) !== FALSE) {
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if ($file != '.' && $file != '..') {
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$dir = $dirName . '/' . $file;
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if ($is_all) {
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is_dir($dir) ? $this->remove_dir($dir) : $this->unlink_file($dir);
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} else {
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if (is_file($dir)) {
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$this->unlink_file($dir);
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}
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}
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}
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}
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closedir($handle);
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return @rmdir($dirName);
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}
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/**
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* 获取完整文件名
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* @param string $fn 路径
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* @return string
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*/
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public function get_basename($file_path)
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{
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$file_path = $this->dir_replace($file_path);
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return basename(str_replace('\\', '/', $file_path));
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//return pathinfo($file_path,PATHINFO_BASENAME);
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}
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/**
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* 获取文件后缀名
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* @param string $file_name 文件路径
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* @return string
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*/
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public function get_ext($file)
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{
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$file = $this->dir_replace($file);
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//return strtolower(substr(strrchr(basename($file), '.'),1));
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//return end(explode(".",$filename ));
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//return strtolower(trim(array_pop(explode('.', $file))));//取得后缀
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//return preg_replace('/.*\.(.*[^\.].*)*/iU','\\1',$file);
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return pathinfo($file, PATHINFO_EXTENSION);
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}
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/**
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* 取得指定目录名称
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* @param string $path 文件路径
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* @param int $num 需要返回以上级目录的数
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* @return string
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*/
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public function father_dir($path, $num = 1)
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{
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$path = $this->dir_replace($path);
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$arr = explode('/', $path);
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if ($num == 0 || count($arr) < $num) return pathinfo($path, PATHINFO_BASENAME);
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return substr(strrev($path), 0, 1) == '/' ? $arr[(count($arr) - (1 + $num))] : $arr[(count($arr) - $num)];
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}
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/**
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* 删除文件
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* @param string $path
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* @return boolean
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*/
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public function unlink_file($path)
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{
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$path = $this->dir_replace($path);
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if (file_exists($path)) {
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return unlink($path);
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}
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}
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/**
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* 文件操作(复制/移动)
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* @param string $old_path 指定要操作文件路径(需要含有文件名和后缀名)
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* @param string $new_path 指定新文件路径(需要新的文件名和后缀名)
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* @param string $type 文件操作类型
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* @param boolean $overWrite 是否覆盖已存在文件
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* @return boolean
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*/
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public function handle_file($old_path, $new_path, $type = 'copy', $overWrite = FALSE)
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{
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$old_path = $this->dir_replace($old_path);
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$new_path = $this->dir_replace($new_path);
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if (file_exists($new_path) && $overWrite = FALSE) {
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return FALSE;
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} else if (file_exists($new_path) && $overWrite = TRUE) {
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$this->unlink_file($new_path);
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}
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$aimDir = dirname($new_path);
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$this->create_dir($aimDir);
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switch ($type) {
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case 'copy':
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return copy($old_path, $new_path);
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break;
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case 'move':
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return @rename($old_path, $new_path);
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break;
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}
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}
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/**
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* 文件夹操作(复制/移动)
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* @param string $old_path 指定要操作文件夹路径
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* @param string $aimDir 指定新文件夹路径
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* @param string $type 操作类型
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* @param boolean $overWrite 是否覆盖文件和文件夹
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* @return boolean
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*/
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public function handle_dir($old_path, $new_path, $type = 'copy', $overWrite = FALSE)
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{
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$new_path = $this->check_path($new_path);
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$old_path = $this->check_path($old_path);
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if (!is_dir($old_path)) return FALSE;
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if (!file_exists($new_path)) $this->create_dir($new_path);
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$dirHandle = opendir($old_path);
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if (!$dirHandle) return FALSE;
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$boolean = TRUE;
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while (FALSE !== ($file = readdir($dirHandle))) {
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if ($file == '.' || $file == '..') continue;
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if (!is_dir($old_path . $file)) {
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$boolean = $this->handle_file($old_path . $file, $new_path . $file, $type, $overWrite);
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} else {
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$this->handle_dir($old_path . $file, $new_path . $file, $type, $overWrite);
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}
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}
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switch ($type) {
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case 'copy':
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closedir($dirHandle);
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return $boolean;
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break;
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case 'move':
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closedir($dirHandle);
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return @rmdir($old_path);
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break;
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}
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}
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/**
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* 替换相应的字符
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* @param string $path 路径
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* @return string
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*/
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public function dir_replace($path)
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||
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{
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return str_replace('//', '/', str_replace('\\', '/', $path));
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}
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/**
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* 读取指定路径下模板文件
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* @param string $path 指定路径下的文件
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||
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* @return string $rstr
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*/
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public function get_templtes($path)
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||
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{
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$path = $this->dir_replace($path);
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if (file_exists($path)) {
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$fp = fopen($path, 'r');
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$rstr = fread($fp, filesize($path));
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fclose($fp);
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||
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return $rstr;
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} else {
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return '';
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}
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}
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/**
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||
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* 文件重命名
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||
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* @param string $oldname
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||
|
* @param string $newname
|
||
|
*/
|
||
|
public function rename($oldname, $newname)
|
||
|
{
|
||
|
if (($newname != $oldname) && is_writable($oldname)) {
|
||
|
return rename($oldname, $newname);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 获取指定路径下的信息
|
||
|
* @param string $dir 路径
|
||
|
* @return ArrayObject
|
||
|
*/
|
||
|
public function get_dir_info($dir)
|
||
|
{
|
||
|
$handle = @opendir($dir);//打开指定目录
|
||
|
$directory_count = 0;
|
||
|
while (FALSE !== ($file_path = readdir($handle))) {
|
||
|
if ($file_path != "." && $file_path != "..") {
|
||
|
//is_dir("$dir/$file_path") ? $sizeResult += $this->get_dir_size("$dir/$file_path") : $sizeResult += filesize("$dir/$file_path");
|
||
|
$next_path = $dir . '/' . $file_path;
|
||
|
if (is_dir($next_path)) {
|
||
|
$directory_count++;
|
||
|
$result_value = self::get_dir_info($next_path);
|
||
|
$total_size += $result_value['size'];
|
||
|
$file_cout += $result_value['filecount'];
|
||
|
$directory_count += $result_value['dircount'];
|
||
|
} elseif (is_file($next_path)) {
|
||
|
$total_size += filesize($next_path);
|
||
|
$file_cout++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
closedir($handle);//关闭指定目录
|
||
|
$result_value['size'] = $total_size;
|
||
|
$result_value['filecount'] = $file_cout;
|
||
|
$result_value['dircount'] = $directory_count;
|
||
|
return $result_value;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 指定目录下指定条件文件编码转换
|
||
|
* @param string $dirname 目录路径
|
||
|
* @param string $input_code 原始编码
|
||
|
* @param string $out_code 输出编码
|
||
|
* @param boolean $is_all 是否转换所有子目录下文件编码
|
||
|
* @param string $exts 文件类型
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function change_dir_files_code($dirname, $input_code, $out_code, $is_all = TRUE, $exts = '')
|
||
|
{
|
||
|
if (is_dir($dirname)) {
|
||
|
$fh = opendir($dirname);
|
||
|
while (($file = readdir($fh)) !== FALSE) {
|
||
|
if (strcmp($file, '.') == 0 || strcmp($file, '..') == 0) {
|
||
|
continue;
|
||
|
}
|
||
|
$filepath = $dirname . '/' . $file;
|
||
|
|
||
|
if (is_dir($filepath) && $is_all == TRUE) {
|
||
|
$files = $this->change_dir_files_code($filepath, $input_code, $out_code, $is_all, $exts);
|
||
|
} else {
|
||
|
if ($this->get_ext($filepath) == $exts && is_file($filepath)) {
|
||
|
$boole = $this->change_file_code($filepath, $input_code, $out_code, $is_all, $exts);
|
||
|
if (!$boole) continue;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
closedir($fh);
|
||
|
return TRUE;
|
||
|
} else {
|
||
|
return FALSE;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 列出指定目录下符合条件的文件和文件夹
|
||
|
* @param string $dirname 路径
|
||
|
* @param boolean $is_all 是否列出子目录中的文件
|
||
|
* @param string $exts 需要列出的后缀名文件
|
||
|
* @param string $sort 数组排序
|
||
|
* @return ArrayObject
|
||
|
*/
|
||
|
public function list_dir_info($dirname, $is_all = FALSE, $exts = '', $sort = 'ASC')
|
||
|
{
|
||
|
//处理多于的/号
|
||
|
$new = strrev($dirname);
|
||
|
if (strpos($new, '/') == 0) {
|
||
|
$new = substr($new, 1);
|
||
|
}
|
||
|
$dirname = strrev($new);
|
||
|
|
||
|
$sort = strtolower($sort);//将字符转换成小写
|
||
|
|
||
|
$files = array();
|
||
|
$subfiles = array();
|
||
|
|
||
|
if (is_dir($dirname)) {
|
||
|
$fh = opendir($dirname);
|
||
|
while (($file = readdir($fh)) !== FALSE) {
|
||
|
if (strcmp($file, '.') == 0 || strcmp($file, '..') == 0) continue;
|
||
|
|
||
|
$filepath = $dirname . '/' . $file;
|
||
|
|
||
|
switch ($exts) {
|
||
|
case '*':
|
||
|
if (is_dir($filepath) && $is_all == TRUE) {
|
||
|
$files = array_merge($files, self::list_dir_info($filepath, $is_all, $exts, $sort));
|
||
|
}
|
||
|
array_push($files, $filepath);
|
||
|
break;
|
||
|
case 'folder':
|
||
|
if (is_dir($filepath) && $is_all == TRUE) {
|
||
|
$files = array_merge($files, self::list_dir_info($filepath, $is_all, $exts, $sort));
|
||
|
array_push($files, $filepath);
|
||
|
} elseif (is_dir($filepath)) {
|
||
|
array_push($files, $filepath);
|
||
|
}
|
||
|
break;
|
||
|
case 'file':
|
||
|
if (is_dir($filepath) && $is_all == TRUE) {
|
||
|
$files = array_merge($files, self::list_dir_info($filepath, $is_all, $exts, $sort));
|
||
|
} elseif (is_file($filepath)) {
|
||
|
array_push($files, $filepath);
|
||
|
}
|
||
|
break;
|
||
|
default:
|
||
|
if (is_dir($filepath) && $is_all == TRUE) {
|
||
|
$files = array_merge($files, self::list_dir_info($filepath, $is_all, $exts, $sort));
|
||
|
} elseif (preg_match("/\.($exts)/i", $filepath) && is_file($filepath)) {
|
||
|
array_push($files, $filepath);
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
switch ($sort) {
|
||
|
case 'asc':
|
||
|
sort($files);
|
||
|
break;
|
||
|
case 'desc':
|
||
|
rsort($files);
|
||
|
break;
|
||
|
case 'nat':
|
||
|
natcasesort($files);
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
closedir($fh);
|
||
|
return $files;
|
||
|
} else {
|
||
|
return FALSE;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 返回指定路径的文件夹信息,其中包含指定路径中的文件和目录
|
||
|
* @param string $dir
|
||
|
* @return ArrayObject
|
||
|
*/
|
||
|
public function dir_info($dir)
|
||
|
{
|
||
|
return scandir($dir);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 判断目录是否为空
|
||
|
* @param string $dir
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function is_empty($dir)
|
||
|
{
|
||
|
$handle = opendir($dir);
|
||
|
while (($file = readdir($handle)) !== false) {
|
||
|
if ($file != '.' && $file != '..') {
|
||
|
closedir($handle);
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
closedir($handle);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 返回关于打开文件的信息
|
||
|
* @param $file
|
||
|
* @return ArrayObject
|
||
|
* 数字下标 关联键名(自 PHP 4.0.6) 说明
|
||
|
* 0 dev 设备名
|
||
|
* 1 ino 号码
|
||
|
* 2 mode inode 保护模式
|
||
|
* 3 nlink 被连接数目
|
||
|
* 4 uid 所有者的用户 id
|
||
|
* 5 gid 所有者的组 id
|
||
|
* 6 rdev 设备类型,如果是 inode 设备的话
|
||
|
* 7 size 文件大小的字节数
|
||
|
* 8 atime 上次访问时间(Unix 时间戳)
|
||
|
* 9 mtime 上次修改时间(Unix 时间戳)
|
||
|
* 10 ctime 上次改变时间(Unix 时间戳)
|
||
|
* 11 blksize 文件系统 IO 的块大小
|
||
|
* 12 blocks 所占据块的数目
|
||
|
*/
|
||
|
public function open_info($file)
|
||
|
{
|
||
|
$file = fopen($file, "r");
|
||
|
$result = fstat($file);
|
||
|
fclose($file);
|
||
|
return $result;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 改变文件和目录的相关属性
|
||
|
* @param string $file 文件路径
|
||
|
* @param string $type 操作类型
|
||
|
* @param string $ch_info 操作信息
|
||
|
* @return boolean
|
||
|
*/
|
||
|
public function change_file($file, $type, $ch_info)
|
||
|
{
|
||
|
switch ($type) {
|
||
|
case 'group' :
|
||
|
$is_ok = chgrp($file, $ch_info);//改变文件组。
|
||
|
break;
|
||
|
case 'mode' :
|
||
|
$is_ok = chmod($file, $ch_info);//改变文件模式。
|
||
|
break;
|
||
|
case 'ower' :
|
||
|
$is_ok = chown($file, $ch_info);//改变文件所有者。
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 设置文件命名规则
|
||
|
* @param string $type 命名规则
|
||
|
* @param string $filename 文件名
|
||
|
* @return string
|
||
|
*/
|
||
|
public function set_file_name($type)
|
||
|
{
|
||
|
switch ($type) {
|
||
|
case 'hash' :
|
||
|
$new_file = md5(uniqid(mt_rand()));//mt_srand()以随机数md5加密来命名
|
||
|
break;
|
||
|
case 'time' :
|
||
|
$new_file = time();
|
||
|
break;
|
||
|
default :
|
||
|
$new_file = date($type, time());//以时间格式来命名
|
||
|
break;
|
||
|
}
|
||
|
return $new_file;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 文件保存路径处理
|
||
|
* @return string
|
||
|
*/
|
||
|
public function check_path($path)
|
||
|
{
|
||
|
return (preg_match('/\/$/', $path)) ? $path : $path . '/';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 文件下载
|
||
|
* $save_dir 保存路径
|
||
|
* $filename 文件名
|
||
|
* @return array
|
||
|
*/
|
||
|
public static function down_remote_file($url, $save_dir = '', $filename = '', $type = 0)
|
||
|
{
|
||
|
|
||
|
if (trim($url) == '') {
|
||
|
return array('file_name' => '', 'save_path' => '', 'error' => 1);
|
||
|
}
|
||
|
if (trim($save_dir) == '') {
|
||
|
$save_dir = './';
|
||
|
}
|
||
|
if (trim($filename) == '') {//保存文件名
|
||
|
$ext = strrchr($url, '.');
|
||
|
// if($ext!='.gif'&&$ext!='.jpg'){
|
||
|
// return array('file_name'=>'','save_path'=>'','error'=>3);
|
||
|
// }
|
||
|
$filename = time() . $ext;
|
||
|
}
|
||
|
if (0 !== strrpos($save_dir, '/')) {
|
||
|
$save_dir .= '/';
|
||
|
}
|
||
|
//创建保存目录
|
||
|
if (!file_exists($save_dir) && !mkdir($save_dir, 0777, true)) {
|
||
|
return array('file_name' => '', 'save_path' => '', 'error' => 5);
|
||
|
}
|
||
|
//获取远程文件所采用的方法
|
||
|
if ($type) {
|
||
|
$ch = curl_init();
|
||
|
$timeout = 5;
|
||
|
curl_setopt($ch, CURLOPT_URL, $url);
|
||
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
|
||
|
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
|
||
|
$img = curl_exec($ch);
|
||
|
curl_close($ch);
|
||
|
} else {
|
||
|
ob_start();
|
||
|
readfile($url);
|
||
|
$img = ob_get_contents();
|
||
|
ob_end_clean();
|
||
|
}
|
||
|
//$size=strlen($img);
|
||
|
//文件大小
|
||
|
$fp2 = fopen($save_dir . $filename, 'a');
|
||
|
|
||
|
fwrite($fp2, $img);
|
||
|
fclose($fp2);
|
||
|
unset($img, $url);
|
||
|
return array('file_name' => $filename, 'save_path' => $save_dir . $filename, 'error' => 0);
|
||
|
}
|
||
|
|
||
|
public static function zipopen($filename, $savename)
|
||
|
{
|
||
|
$zip = new \ZipArchive;
|
||
|
$zipfile = $filename;
|
||
|
$res = $zip->open($zipfile);
|
||
|
$toDir = $savename;
|
||
|
if (!file_exists($toDir)) mkdir($toDir, 0777);
|
||
|
$docnum = $zip->numFiles;
|
||
|
for ($i = 0; $i < $docnum; $i++) {
|
||
|
$statInfo = $zip->statIndex($i);
|
||
|
if ($statInfo['crc'] == 0 && $statInfo['comp_size'] != 2) {
|
||
|
//新建目录
|
||
|
mkdir($toDir . '/' . substr($statInfo['name'], 0, -1), 0777);
|
||
|
} else {
|
||
|
//拷贝文件
|
||
|
copy('zip://' . $zipfile . '#' . $statInfo['name'], $toDir . '/' . $statInfo['name']);
|
||
|
}
|
||
|
}
|
||
|
$zip->close();
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
*设置字体格式
|
||
|
* @param $title string 必选
|
||
|
* return string
|
||
|
*/
|
||
|
public static function setUtf8($title)
|
||
|
{
|
||
|
return iconv('utf-8', 'gb2312', $title);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
*检查指定文件是否能写入
|
||
|
* @param $file string 必选
|
||
|
* return boole
|
||
|
*/
|
||
|
public static function isWritable($file)
|
||
|
{
|
||
|
$file = str_replace('\\', '/', $file);
|
||
|
if (!file_exists($file)) return false;
|
||
|
return is_writable($file);
|
||
|
}
|
||
|
|
||
|
}
|