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@@ -376,4 +376,75 @@ class CosService |
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}
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return [];
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}
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/**
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* @remark :ai_video裁剪图片为4张
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* @name :cropAndUploadToCOS
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* @author :lyh
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* @method :post
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* @time :2025/8/2 16:52
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*/
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public function cropAndUploadToCOS($imageUrl)
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{
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// 1. 下载远程图片内容
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$imageData = file_get_contents($imageUrl);
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if (!$imageData) {
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return false;
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}
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// 2. 保存原图到临时文件
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$tempOriginal = tempnam(sys_get_temp_dir(), 'original_') . '.png';
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file_put_contents($tempOriginal, $imageData);
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// 3. 使用 GD 加载图像
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$src = imagecreatefrompng($tempOriginal);
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if (!$src) {
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return false;
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}
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$width = imagesx($src);
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$height = imagesy($src);
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$halfWidth = intval($width / 2);
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$halfHeight = intval($height / 2);
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// 4. 从原图 URL 提取路径信息
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$parsed = parse_url($imageUrl);
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$pathInfo = pathinfo($parsed['path']); // upload/p/1/png/2025-08/688dcebc26a7a59911.png
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$cosPath = ltrim($pathInfo['dirname'], '/'); // 相对路径：upload/p/1/png/2025-08
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$baseName = $pathInfo['filename']; // 文件名：688dcebc26a7a59911
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$ext = $pathInfo['extension'] ?? 'png'; // 扩展名
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// 5. 初始化 COS 客户端
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$cos = config('filesystems.disks.cos');
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$cosClient = new Client([
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'region' => $cos['region'],
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'credentials' => [
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'secretId' => $cos['credentials']['secretId'],
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'secretKey' => $cos['credentials']['secretKey'],
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],
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]);
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// 6. 循环裁剪并上传
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$resultPaths = [];
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$index = 0;
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for ($y = 0; $y < 2; $y++) {
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for ($x = 0; $x < 2; $x++) {
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$crop = imagecreatetruecolor($halfWidth, $halfHeight);
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imagecopy($crop, $src, 0, 0, $x * $halfWidth, $y * $halfHeight, $halfWidth, $halfHeight);
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$tempCropped = tempnam(sys_get_temp_dir(), 'crop_') . '.png';
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imagepng($crop, $tempCropped);
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imagedestroy($crop);
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// 新文件名，保持路径不变
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$filename = $baseName . '_part' . $index++ . '.' . $ext;
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$objectKey = $cosPath . '/' . $filename;
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// 上传到 COS
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$cosClient->putObject([
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'Bucket' => $cos['bucket'],
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'Key' => $objectKey,
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'Body' => fopen($tempCropped, 'rb'),
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]);
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// 返回相对路径
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$resultPaths[] = $objectKey;
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unlink($tempCropped);
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}
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}
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// 清理资源
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imagedestroy($src);
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unlink($tempOriginal);
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return $resultPaths; // 相对路径数组
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}
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} |
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