<?php
namespace base;
use app\service\ResourcesService;
* 图片上传驱动
* @author Devil
* @blog http://gong.gg/
* @version 0.0.1
* @datetime 2018-07-10
*/
class Images
{
private $i_path;
private $i_type;
private $i_is_new_name;
private $i_quality;
private $i_data;
* 构造方法
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $params [输入参数]
*/
private function __construct($params = [])
{
$this->IsGD();
$this->i_type = empty($params['type']) ? $this->GetImageType() : $params['type'];
$this->i_is_new_name = (isset($params['is_new_name']) && is_bool($params['is_new_name'])) ? $params['is_new_name'] : true;
$this->i_quality = max(75, isset($params['quality']) ? intval($params['quality']) : 75);
}
* 静态方法实例化本类
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $params [输入参数]
* @return [object] [实例对象]
*/
public static function Instance($params = [])
{
static $object = null;
if(!is_object($object)) $object = new self($params);
return $object;
}
* 参数设置
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $params [输入参数]
*/
public function SetParameters($params = [])
{
if(empty($params)) return;
$this->__construct($params);
}
* 检查是否支持gd库
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
*/
private function IsGD()
{
if(!isset(gd_info()['GD Version']) || empty(gd_info()['GD Version']))
{
die('not support gd');
}
}
* 获取图片后缀类型
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
*/
private function GetImageType()
{
return array(
'gif' => 'image/gif',
'png' => 'image/png',
'jpg' => 'image/jpeg',
'bmp' => 'image/bmp'
);
}
* 基本信息初始化
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $data [临时图片数据]
* @param [string] $path [图片保存路径]
*/
private function Initialization($data, $path)
{
if(empty($data)) return false;
$this->PathMkdir($path);
$this->i_data = [];
return true;
}
* 路径校验，不存在则创建
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [string] $path [路径地址]
*/
public function PathMkdir($path)
{
$path .= (substr($path, -1) == '/') ? '' : '/';
$this->i_path = empty($path) ? '/tmp/image' : $path;
if(!is_dir($this->i_path)) @mkdir($this->i_path, 0777, true);
if(!@opendir($this->i_path)) exit('dir not access ['.$this->i_path.']');
}
* 获取随机名称
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
*/
public function GetNewFileName()
{
return date('YmdHis').str_shuffle(rand());
}
* base64图片存储
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $data [需要存储的base数据、一维数组]
* @param [string] $path [存储路径]
* @return [array] [返回图片地址、一维数组]
*/
public function SaveBaseImages($data, $path)
{
if(!$this->Initialization($data, $path)) return null;
for($i=0; $i<count($data); $i++)
{
if(empty($data[$i])) continue;
$temp_img = str_replace(array("\n", '\n', ' '), '', $data[$i]);
$img_info = @getimagesize('data://application/octet-stream;base64,'.$temp_img);
if(empty($img_info['mime'])) continue;
$type = $this->Is_ImageType($img_info['mime']);
if($type == 'no') continue;
$file_name = $this->GetNewFileName().'.'.$type;
if(file_put_contents($this->i_path.$file_name, base64_decode($temp_img)) !== false) $this->i_data[] = $file_name;
}
return $this->i_data;
}
* 二进制图片保存
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $data [二进制图片数据、一维数组]
* @param [string] $path [存储路径]
* @return [string] [返回图片地址、一维数组]
*/
public function SaveBinaryImages($data, $path)
{
if(!$this->Initialization($data, $path)) return null;
for($i=0; $i<count($data); $i++)
{
if(empty($data[$i])) continue;
$img_info = getimagesizefromstring($data[$i]);
if(empty($img_info['mime'])) continue;
$type = $this->Is_ImageType($img_info['mime']);
if($type == 'no') continue;
$ret = \base\FileUtil::FileContentSecurityCheck($data[$i], false);
if($ret['code'] != 0)
{
continue;
}
$file_name = $this->GetNewFileName().'.'.$type;
if(file_put_contents($this->i_path.$file_name, $data[$i]) !== false) $this->i_data[] = $file_name;
}
return $this->i_data;
}
* 获取临时图片文件的原图
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [array] $data [临时图片数据]
* @param [string] $path [存储路径]
* @return [string] [返回图片地址]
*/
public function GetOriginal($data, $path)
{
if(!$this->Initialization($data, $path)) return '';
if(empty($data['tmp_name'])) return '';
$type = $this->Is_ImageType($data['type']);
if($type == 'no') return '';
$ret = \base\FileUtil::FileContentSecurityCheck($data['tmp_name']);
if($ret['code'] != 0)
{
return '';
}
$file_name = $this->GetNewFileName().'.'.$type;
return move_uploaded_file($data['tmp_name'], $this->i_path.$file_name) ? $file_name : '';
}
* 获取指定图片路径的压缩图
* @param [string] $file [图片地址]
* @param [string] $path [存储路径]
* @param [int] $width [设定图片宽度]
* @param [int] $height[指定图片高度, 不指定则高度按照比例自动计算]
* @return [string] [返回图片地址]
*/
public function GetBinaryCompress($file, $path, $width = 0, $height = 0)
{
if(!$this->Initialization($file, $path) || is_array($file) || !file_exists($file)) return '';
$img_info = pathinfo($file);
if(empty($img_info['basename'])) return '';
$type = $this->Is_ImageType($img_info['extension']);
if($type == 'no') return '';
$file_name = ($this->i_is_new_name) ? $this->GetNewFileName().'.'.$type : $img_info['basename'];
if($this->ImageCompress($width, $height, $file, $type, $this->i_path.$file_name)) return $file_name;
return '';
}
* 获取临时图片文件的压缩图
* @param [array] $data [临时图片数据]
* @param [string] $path [存储路径]
* @param [int] $width [设定图片宽度]
* @param [int] $height[指定图片高度, 不指定则高度按照比例自动计算]
* @return [atring|空字符串] [返回图片存储的名称]
*/
public function GetCompress($data, $path, $width = 0, $height = 0)
{
if(!$this->Initialization($data, $path)) return '';
if(empty($data['tmp_name'])) return '';
$type = $this->Is_ImageType($data['type']);
if($type == 'no') return '';
$file_name = $this->GetNewFileName().'.'.$type;
if($this->ImageCompress($width, $height, $data['tmp_name'], $type, $this->i_path.$file_name)) return $file_name;
return '';
}
* 临时图像裁剪
* @param [array] $data [图像临时数据]
* @param [string] $path [图像存储地址]
* @param [int] $width [指定存储宽度]
* @param [ing] $height [指定存储高度]
* @param [ing] $src_x [裁剪x坐标]
* @param [ing] $src_y [裁剪y坐标]
* @param [ing] $src_width [裁剪区域宽度]
* @param [ing] $src_height [裁剪区域高度]
* @return [atring|空字符串] [返回图片存储的名称]
*/
function GetCompressCut($data, $path, $width = 0, $height = 0, $src_x = 0, $src_y = 0, $src_width = 0, $src_height = 0)
{
if(!$this->Initialization($data, $path)) return '';
if(empty($data['tmp_name'])) return '';
$type = $this->Is_ImageType($data['type']);
if($type == 'no') return '';
$file_name = $this->GetNewFileName().'.'.$type;
if($this->ImageCompress($width, $height, $data['tmp_name'], $type, $this->i_path.$file_name, $src_x, $src_y, $src_width, $src_height)) return $file_name;
return '';
}
* 图片压缩
* @param [int] $width [指定图片宽度]
* @param [int] $height[指定图片高度]
* @param [string] $file [原图片地址]
* @param [string] $type [类型]
* @param [string] $path [新图片地址]
* @return [boolean] [成功true, 失败false]
*/
private function ImageCompress($width, $height, $file, $type, $path, $src_x = 0, $src_y = 0, $src_width = 0, $src_height = 0)
{
$ret = \base\FileUtil::FileContentSecurityCheck($file);
if($ret['code'] != 0)
{
return false;
}
list($w, $h) = getimagesize($file);
$new_width = ($width > 0 && $w > $width) ? $width : $w;
$new_height = ($width > 0 && $w > $width) ? (round($h/($w/$width))) : $h;
if($width > 0 && $height > 0) $new_width = $width;
if($height > 0) $new_height = $height;
switch($type)
{
case 'gif':
$src_im = @imagecreatefromgif($file);
break;
case 'png':
$src_im = @imagecreatefrompng($file);
break;
default:
$src_im = @imagecreatefromjpeg($file);
}
if(!$src_im) return;
$dst_im = imagecreatetruecolor($new_width, $new_height);
switch($type)
{
case 'png':
imagesavealpha($dst_im, true);
$color = imagecolorallocatealpha($dst_im, 0, 0, 0, 127);
imagecolortransparent($dst_im, $color);
imagefill($dst_im, 0, 0, $color);
break;
default:;
}
if($src_width > 0 && $src_height > 0)
{
$cpd_im = imagecreatetruecolor($src_width, $src_height);
switch($type)
{
case 'png':
imagesavealpha($cpd_im, true);
$color = imagecolorallocatealpha($cpd_im, 0, 0, 0, 127);
imagecolortransparent($cpd_im, $color);
imagefill($cpd_im, 0, 0, $color);
break;
default:;
}
imagecopy($cpd_im, $src_im, 0, 0, $src_x, $src_y, $src_width, $src_height);
$s = imagecopyresampled($dst_im, $cpd_im, 0, 0, 0, 0, $new_width, $new_height, $src_width, $src_height);
imagedestroy($cpd_im);
} else {
$s = imagecopyresampled($dst_im, $src_im, 0, 0, 0, 0, $new_width, $new_height, $w, $h);
}
if($s)
{
switch($type)
{
case 'png':
imagepng($dst_im, $path);
break;
case 'gif':
imagegif($dst_im, $path);
break;
default:
imagejpeg($dst_im, $path, $this->i_quality);
}
}
imagedestroy($dst_im);
imagedestroy($src_im);
return $s;
}
* 验证后缀名是否合法
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2023-02-12
* @desc description
* @param [string] $image_type [图片后缀类型]
* @return [string] [后缀名或no]
*/
private function Is_ImageType($image_type)
{
if(empty($image_type)) return 'no';
if(array_key_exists($image_type, $this->i_type)) return $image_type;
foreach($this->i_type as $key=>$val)
{
if($val == $image_type) return $key;
}
return 'no';
}
* 远程图片保存
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-10-28T23:34:19+0800
* @param [atring] $url [远程图片url地址]
* @param [string] $path [存储地址]
* @param [string] $file_name [文件名称]
* @return [string] [成功文件名称, 失败空]
*/
public function DownloadImageSave($url, $path = '', $file_name = '')
{
$this->PathMkdir($path);
if(empty($file_name))
{
$file_name = $this->GetNewFileName().'.jpg';
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
$file = curl_exec($ch);
curl_close($ch);
$ret = \base\FileUtil::FileContentSecurityCheck($file, false);
if($ret['code'] != 0)
{
return '';
}
if(file_put_contents($this->i_path.$file_name, $file) !== false)
{
return $file_name;
}
return '';
}
* 图片转base64
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2020-11-20
* @desc description
* @param [string] $image_file [图片地址（不支持url形式）]
*/
public function ImageToBase64($image_file)
{
$content = '';
$dir_file = ROOT.'public'.ResourcesService::AttachmentPathHandle($image_file);
if(file_exists($dir_file))
{
$info = getimagesize($dir_file);
$image_data = fread(fopen($dir_file, 'r'), filesize($dir_file));
$content = 'data:'.$info['mime'].';base64,'.chunk_split(base64_encode($image_data));
} else {
$content = 'data:image/jpg/png/gif;base64,'.chunk_split(base64_encode(RequestGet($image_file)));
}
return $content;
}
}
?>