perf(项目设置): 图片压缩方式从之前的压缩一百倍改为动态压缩

backend/framework/sdk/src/main/java/io/metersphere/sdk/util/TempFileUtils.java

@@ -52,9 +52,15 @@ public class TempFileUtils {
                 dir.mkdirs();
             }
 
+            int width = originalImage.getWidth();
+            int height = originalImage.getHeight();
+            
+            //计算压缩系数
+            int compressFactor = getCompressFactor(width, height);
+
             // 指定预览图像的宽度和高度
-            int previewWidth = originalImage.getWidth() / 10;
+            int previewWidth = width / compressFactor;
-            int previewHeight = originalImage.getHeight() / 10;
+            int previewHeight = height / compressFactor;
             // 创建一个缩小后的图像
             BufferedImage previewImage = new BufferedImage(previewWidth, previewHeight, BufferedImage.TYPE_INT_RGB);
             Graphics2D g2d = previewImage.createGraphics();
@@ -68,6 +74,16 @@ public class TempFileUtils {
         }
     }
 
+    private static int getCompressFactor(int width, int height) {
+        int compressFactor = 1;
+
+        int maxSize = width > height ? width : height;
+        if (maxSize > 999) {
+            compressFactor = maxSize / 999;
+        }
+        return compressFactor;
+    }
+
 
     private static void createFile(String filePath, byte[] fileBytes) {
         File file = new File(filePath);

backend/services/project-management/src/main/java/io/metersphere/project/service/FileMetadataService.java

@@ -178,7 +178,7 @@ public class FileMetadataService {
         byte[] bytes = this.getFile(fileMetadata);
         return ResponseEntity.ok()
                 .contentType(MediaType.parseMediaType("application/octet-stream"))
-                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + this.getFileName(fileMetadata.getName(), fileMetadata.getType()) + "\"")
+                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + this.getFileName(fileMetadata.getId(), fileMetadata.getType()) + "\"")
                 .body(bytes);
     }
 
@@ -372,7 +372,7 @@ public class FileMetadataService {
 
         return ResponseEntity.ok()
                 .contentType(MediaType.parseMediaType("application/octet-stream"))
-                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + this.getFileName(fileMetadata.getName(), fileMetadata.getType()) + "\"")
+                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + this.getFileName(fileMetadata.getId(), fileMetadata.getType()) + "\"")
                 .body(bytes);
     }
 

backend/services/project-management/src/test/java/io/metersphere/project/controller/filemanagement/FileManagementControllerTests.java

@@ -415,6 +415,18 @@ public class FileManagementControllerTests extends BaseTest {
         jarFileId = returnId;
         uploadedFileTypes.add("jar");
 
+
+        //小型图片文件，用于测试预览图下载
+        filePath = Objects.requireNonNull(this.getClass().getClassLoader().getResource("file/1182937072541700.jpg")).getPath();
+        file = new MockMultipartFile("file", "1182937072541700.jpg", MediaType.APPLICATION_OCTET_STREAM_VALUE, FileManagementBaseUtils.getFileBytes(filePath));
+        paramMap = new LinkedMultiValueMap<>();
+        paramMap.add("file", file);
+        paramMap.add("request", JSON.toJSONString(fileUploadRequest));
+        mvcResult = this.requestMultipartWithOkAndReturn(FileManagementRequestUtils.URL_FILE_UPLOAD, paramMap);
+        returnId = JSON.parseObject(mvcResult.getResponse().getContentAsString(StandardCharsets.UTF_8), ResultHolder.class).getData().toString();
+        checkLog(returnId, OperationLogType.ADD, FileManagementRequestUtils.URL_FILE_UPLOAD);
+        FILE_ID_PATH.put(returnId, filePath);
+
         //检查文件类型获取接口有没有获取到数据
         fileTypes = this.getFileType();
         Assertions.assertEquals(fileTypes.size(), uploadedFileTypes.size());