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2025-10-29 15:32:26 +08:00
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commit b7462657cd
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<?php
/**
*/
namespace extend;
/**
* 上传控制器
* @author Administrator
*
*/
class Upload
{
/**
* @var string 错误信息
*/
public $error;
/**
* @var array 上传规则
*/
public $validate = [];
/**
* @var array 上传文件信息
*/
public $info;
/**
* @var string 当前完整文件名
*/
protected $filename;
/**
* @var array 上传文件信息
*/
public function __construct($filename = '')
{
$this->filename = $filename;
}
/**
* 设置上传信息
* @param unknown $filename
*/
public function setFilename($filename)
{
$this->file = $filename;
return $this;
}
/**
* 设置上传信息
* @param array $info
* @return \util\Upload
*/
public function setUploadInfo($info)
{
$this->info = $info;
return $this;
}
/**
* 获取上传文件的信息
* @access public
* @param string $name 信息名称
* @return array|string
*/
public function getInfo($name = '')
{
return isset($this->info[ $name ]) ? $this->info[ $name ] : $this->info;
}
/**
* 设置文件上传文件的验证规则
* @param array $rule
* @return \util\Upload
*/
public function setValidate(array $rule = [])
{
$this->validate = $rule;
return $this;
}
/**
* 验证目录是否可写
* @param unknown $path
* @return boolean
*/
public function checkPath($path)
{
if (is_dir($path) || mkdir($path, 0755, true)) {
return true;
}
$this->error = [ 'directory {:path} creation failed', [ 'path' => $path ] ];
if(!defined("initroute_tag")) exit();
return false;
}
/**
* 检测是否合法的上传文件
* @access public
* @return bool
*/
public function isValid()
{
return $this->isTest ? is_file($this->filename) : is_uploaded_file($this->filename);
}
/**
* 检测上传文件
* @access public
* @param array $rule 验证规则
* @return bool
*/
public function check($rule = [])
{
$rule = $this->validate;
/* 检查文件大小 */
if (isset($rule['size']) && !$this->checkSize($rule['size'])) {
$this->error = 'filesize not match';
return false;
}
/* 检查文件 Mime 类型 */
if (isset($rule['type']) && !$this->checkMime($rule['type'])) {
$this->error = 'mimetype to upload is not allowed';
return false;
}
/* 检查文件后缀 */
if (isset($rule['ext']) && !$this->checkExt($rule['ext'])) {
$this->error = 'extensions to upload is not allowed';
return false;
}
return true;
}
/**
* 检测上传文件大小
* @access public
* @param integer $size 最大大小
* @return bool
*/
public function checkSize($size)
{
return $this->getFileSize($this->info["tmp_name"]) <= $size;
}
/**
* 检测上传文件类型
* @access public
* @param array|string $mime 允许类型
* @return bool
*/
public function getFileSize($filename)
{
$filesize = filesize($filename);
clearstatcache();
return $filesize;
}
/**
* 获取文件类型
* @param unknown $filename
* @return unknown
*/
public function getFileType($filename)
{
// filetype($filePath);
$finfo = finfo_open(FILEINFO_MIME_TYPE); // 返回 mime 类型
$filetype = finfo_file($finfo, $filename);
finfo_close($finfo);
return $filetype;
}
/**
* 检测上传文件类型
* @access public
* @param array|string $mime 允许类型
* @return bool
*/
public function checkMime($mime)
{
$mime = is_string($mime) ? explode(',', $mime) : $mime;
return in_array(strtolower($this->getFileType($this->info["tmp_name"])), $mime);
}
/**
* 获取文件类型信息
* @access public
* @return string
*/
public function getMime()
{
$finfo = finfo_open(FILEINFO_MIME_TYPE);
return finfo_file($finfo, $this->filename);
}
/**
* 检测上传文件后缀
* @access public
* @param array|string $ext 允许后缀
* @return bool
*/
public function checkExt($ext)
{
if (is_string($ext)) {
$ext = explode(',', $ext);
}
$extension = strtolower($this->getFileExt($this->getInfo('name')));
return in_array($extension, $ext);
}
/**
* 获取文件后缀
* @param unknown $filename
* @return mixed
*/
public function getFileExt($filename)
{
return pathinfo($filename, PATHINFO_EXTENSION);
}
/**
* 移动文件
* @param unknown $path
* @param string $savename
* @param string $replace
* @return boolean|\util\Upload
*/
public function move($path, $savename, $replace = true)
{
// 文件上传失败，捕获错误代码
if (!empty($this->info['error'])) {
$this->error($this->info['error']);
return false;
}
// 验证上传
if (!$this->check()) {
return false;
}
$path = rtrim($path, "/") . "/";
// 文件保存命名规则(有外部传入)
$filename = $path . $savename;
// 检测目录
if (false === $this->checkPath(dirname($filename))) {
return false;
}
// 不覆盖同名文件
if (!$replace && is_file($filename)) {
$this->error = [ 'has the same filename: {:filename}', [ 'filename' => $filename ] ];
return false;
}
/* 移动文件 */
if (!move_uploaded_file($this->filename, $filename)) {
$this->error = 'upload write error';
return false;
}
return $filename;
}
/**
* 检测图像文件
* @access public
* @return bool
*/
public function checkImg()
{
$extension = strtolower($this->getFileExt($this->getInfo('name')));
// 如果上传的不是图片，或者是图片而且后缀确实符合图片类型则返回 true
return !in_array($extension, [ 'gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf' ]) || in_array($this->getImageType($this->filename), [ 1, 2, 3, 4, 6, 13 ]);
}
/**
* 判断图像类型
* @access protected
* @param string $image 图片名称
* @return bool|int
*/
protected function getImageType($image)
{
if (function_exists('exif_imagetype')) {
return exif_imagetype($image);
}
try {
$info = getimagesize($image);
return $info ? $info[2] : false;
} catch (\Exception $e) {
return false;
}
}
/**
* 得到图片mime信息
* @param unknown $image
* @return boolean
*/
public function getImageInfo($image)
{
try {
$info = getimagesize($image);
return $info;
} catch (\Exception $e) {
return false;
}
}
/**
*获取一个新文件名
*/
public function createNewFileName()
{
$name = date('Ymdhis', time())
. sprintf('%03d', microtime(true) * 1000)
. sprintf('%02d', mt_rand(10, 99));
return $name;
}
/**
* 这里$data为一个数组类型
* $data[0] 为图像的宽度
* $data[1] 为图像的高度
* $data[2] 为图像的格式，包括jpg、gif和png等
* $data[3] 为图像的宽度和高度，内容为 width="xxx" height="yyy"
*/
private function getFileSizeData($file_name)
{
$data = getimagesize($file_name); // 图片名称
return $data;
}
/**
* 获取错误信息（支持多语言）
* @access public
* @return string
*/
public function getError()
{
return $this->error;
}
/**
* 获取文件名称
* @param unknown $file_name
*/
public function getFileName($file_name)
{
return basename($file_name, "." . $this->getFileExt($file_name));
}
/**
* 获取错误代码信息
* @access private
* @param int $errorNo 错误号
* @return $this
*/
private function error($errorNo)
{
switch ($errorNo) {
case 1:
case 2:
$this->error = 'upload File size exceeds the maximum value';
break;
case 3:
$this->error = 'only the portion of file is uploaded';
break;
case 4:
$this->error = 'no file to uploaded';
break;
case 6:
$this->error = 'upload temp dir not found';
break;
case 7:
$this->error = 'file write error';
break;
default:
$this->error = 'unknown upload error';
}
return $this;
}
/**
* @param $path
* @return bool
*/
public function checkAll($path, $savename){
// 文件上传失败，捕获错误代码
if (!empty($this->info['error'])) {
$this->error($this->info['error']);
return false;
}
// 验证上传
if (!$this->check()) {
return false;
}
$path = rtrim($path, "/") . "/";
// 文件保存命名规则(有外部传入)
$filename = $path . $savename;
// 检测目录
if (false === $this->checkPath(dirname($filename))) {
return false;
}
return true;
}
}