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2026-06-30 24681c81c09022f584a57006f2534b5f74723414

 yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/framework/file/core/utils/FileTypeUtils.java

@@ -85,9 +85,9 @@
        // 设置内容显示、下载文件名：https://www.cnblogs.com/wq-9/articles/12165056.html
        if (isImage(mineType)) {
            // 参见 https://github.com/YunaiV/ruoyi-vue-pro/issues/692 讨论
            response.setHeader("Content-Disposition", "inline;filename=" + HttpUtils.encodeUtf8(filename));
            response.setHeader("Content-Disposition", buildContentDisposition("inline", filename));
        } else {
            response.setHeader("Content-Disposition", "attachment;filename=" + HttpUtils.encodeUtf8(filename));
            response.setHeader("Content-Disposition", buildContentDisposition("attachment", filename));
        }
        // 针对 video 的特殊处理，解决视频地址在移动端播放的兼容性问题
        if (StrUtil.containsIgnoreCase(mineType, "video")) {
@@ -98,6 +98,29 @@
        IoUtil.write(response.getOutputStream(), false, content);
    }

    private static String buildContentDisposition(String dispositionType, String filename) {
        return StrUtil.format("{};filename=\"{}\";filename*=UTF-8''{}",
                dispositionType, buildFallbackFilename(filename), HttpUtils.encodeUrlPathSegment(filename));
    }

    private static String buildFallbackFilename(String filename) {
        if (StrUtil.isEmpty(filename)) {
            return "download";
        }
        StringBuilder result = new StringBuilder(filename.length());
        for (int i = 0; i < filename.length(); i++) {
            char ch = filename.charAt(i);
            if (ch == '"' || ch == '\\') {
                result.append('\\').append(ch);
            } else if (ch >= 0x20 && ch <= 0x7E) {
                result.append(ch);
            } else {
                result.append('_');
            }
        }
        return result.toString();
    }

    /**
     * 判断是否是图片
     *