修复图片预览失败问题

2026-07-17 16:54:04 +08:00
parent a13b10762b
commit 759656d180
1 changed files with 7 additions and 0 deletions
@@ -16,6 +16,7 @@ import xtools.app.sys.file.service.SysFileDownloadCallback;
 import xtools.app.sys.file.service.SysFileOptService;
 import xtools.app.sys.model.dto.resp.SysFileResp;
 import xtools.boot.api.exection.BizError;
+import xtools.core.enums.ImageTypeEnum;
 import xtools.core.extend.TemplateUtils;

 import java.io.IOException;
@@ -61,9 +62,15 @@ public class SysCommonFileController {
                        return false;
                    }

+                    // 判断文件是否为图片
+                    ImageTypeEnum imageType = ImageTypeEnum.bySuffix(fileInfo.getFileType());
+
                    String fileName = URLEncoder.encode(fileInfo.getFileName(), StandardCharsets.UTF_8).replaceAll("\\+", "%20");
                    String contentDisposition = "attachment; filename=\"{}\"; filename*=UTF-8''{}";
                    response.setHeader("Content-Disposition", TemplateUtils.format(contentDisposition, fileName, fileName));
+                    if (!ImageTypeEnum.UNKNOWN.equals(imageType)) {
+                        response.setHeader("Content-Type", imageType.getContentType());
+                    }
                    response.setContentLengthLong(fileInfo.getFileSize());
                    return true;
                }