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修复图片预览失败问题

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xujun
2026-07-17 16:54:04 +08:00
parent a13b10762b
commit 759656d180
1 changed files with 7 additions and 0 deletions
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xtools-app-sys/xtools-app-sys-file-web/src/main/java/xtools/app/sys/file/web/controller/SysCommonFileController.java
+7
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@@ -16,6 +16,7 @@ import xtools.app.sys.file.service.SysFileDownloadCallback;
import xtools.app.sys.file.service.SysFileOptService; import xtools.app.sys.file.service.SysFileOptService;
import xtools.app.sys.model.dto.resp.SysFileResp; import xtools.app.sys.model.dto.resp.SysFileResp;
import xtools.boot.api.exection.BizError; import xtools.boot.api.exection.BizError;
import xtools.core.enums.ImageTypeEnum;
import xtools.core.extend.TemplateUtils; import xtools.core.extend.TemplateUtils;
import java.io.IOException; import java.io.IOException;
@@ -61,9 +62,15 @@ public class SysCommonFileController {
return false; 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 fileName = URLEncoder.encode(fileInfo.getFileName(), StandardCharsets.UTF_8).replaceAll("\\+", "%20");
String contentDisposition = "attachment; filename=\"{}\"; filename*=UTF-8''{}"; String contentDisposition = "attachment; filename=\"{}\"; filename*=UTF-8''{}";
response.setHeader("Content-Disposition", TemplateUtils.format(contentDisposition, fileName, fileName)); response.setHeader("Content-Disposition", TemplateUtils.format(contentDisposition, fileName, fileName));
if (!ImageTypeEnum.UNKNOWN.equals(imageType)) {
response.setHeader("Content-Type", imageType.getContentType());
}
response.setContentLengthLong(fileInfo.getFileSize()); response.setContentLengthLong(fileInfo.getFileSize());
return true; return true;
} }