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图片上传重绘控制

feat/task1-c-wallet
Devil 2021-04-08 16:36:28 +08:00
parent 98aa293e95
commit c78f13e042
1 changed files with 40 additions and 32 deletions
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72
extend/base/Uploader.php
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@ -230,42 +230,50 @@ class Uploader
// 存储图片、使用GD存储图片、防止图片包含木马
// 如未安装相应的gd库则直接存储文件
// 未开启重新绘制
$is_move = false;
switch($this->fileType)
// 是否开启图片重新绘制
if(MyC('is_upload_images_redraw', 0) == 1)
{
case '.png':
if(function_exists('imagecreatefrompng'))
{
$image = imagecreatefrompng($file["tmp_name"]); //PNG
imagesavealpha($image, true); //这里很重要 意思是不要丢了$sourePic图像的透明色;
$width = imagesx($image); //图宽度
$heigh = imagesy($image); //图高度
$thumb = imagecreatetruecolor($width, $heigh);
imagealphablending($thumb, false); //这里很重要,意思是不合并颜色,直接用$img图像颜色替换,包括透明色;
imagesavealpha($thumb, true); //这里很重要,意思是不要丢了$thumb图像的透明色;
if(imagecopyresampled($thumb, $image, 0, 0, 0, 0, $width, $heigh, $width, $heigh))
switch($this->fileType)
{
case '.png':
if(function_exists('imagecreatefrompng'))
{
imagepng($thumb, $this->filePath);
$image = imagecreatefrompng($file["tmp_name"]); //PNG
imagesavealpha($image, true); //这里很重要 意思是不要丢了$sourePic图像的透明色;
$width = imagesx($image); //图宽度
$heigh = imagesy($image); //图高度
$thumb = imagecreatetruecolor($width, $heigh);
imagealphablending($thumb, false); //这里很重要,意思是不合并颜色,直接用$img图像颜色替换,包括透明色;
imagesavealpha($thumb, true); //这里很重要,意思是不要丢了$thumb图像的透明色;
if(imagecopyresampled($thumb, $image, 0, 0, 0, 0, $width, $heigh, $width, $heigh))
{
imagepng($thumb, $this->filePath);
}
} else {
$is_move = true;
}
} else {
$is_move = true;
}
break;
case '.gif':
if(function_exists('imagecreatefromgif'))
{
@imagegif(@imagecreatefromgif($file["tmp_name"]), $this->filePath);
} else {
$is_move = true;
}
break;
default:
if(function_exists('imagecreatefromjpeg'))
{
@imagejpeg(@imagecreatefromjpeg($file["tmp_name"]), $this->filePath, 100);
} else {
$is_move = true;
}
break;
case '.gif':
if(function_exists('imagecreatefromgif'))
{
@imagegif(@imagecreatefromgif($file["tmp_name"]), $this->filePath);
} else {
$is_move = true;
}
break;
default:
if(function_exists('imagecreatefromjpeg'))
{
@imagejpeg(@imagecreatefromjpeg($file["tmp_name"]), $this->filePath, 100);
} else {
$is_move = true;
}
}
} else {
$is_move = true;
}
// 是否需要直接存储文件