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🐛 修复错误的 content_disposition 和 contentType 导致下载文件格式被浏览器识别错误

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zhaojun
2022-05-16 20:50:49 +08:00
parent 4dd6cdb4b3
commit 5cb2844141
1 changed files with 7 additions and 5 deletions
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12
src/main/java/im/zhaojun/zfile/util/FileUtil.java
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@@ -137,16 +137,18 @@ public class FileUtil {
long contentLength = endByte - startByte + 1;
//文件类型
String contentType = request.getServletContext().getMimeType(fileName);
if (Objects.equals(type, LocalFileResponseTypeConstant.DOWNLOAD) || StrUtil.isEmpty(contentType)) {
contentType = "attachment";
if (StrUtil.isEmpty(contentType)) {
contentType = "application/octet-stream";
}
response.setHeader(HttpHeaders.ACCEPT_RANGES, "bytes");
response.setHeader(HttpHeaders.CONTENT_TYPE, contentType);
// 这里文件名换你想要的，inline 表示浏览器可以直接使用
// 参考资料：https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Headers/Content-Disposition
response.setHeader(HttpHeaders.CONTENT_DISPOSITION, contentType + ";filename=" + URLUtil.encode(fileName));
if (Objects.equals(type, LocalFileResponseTypeConstant.DOWNLOAD) || StrUtil.isEmpty(contentType)) {
String contentDisposition = "attachment;filename=" + URLUtil.encode(fileName);
response.setHeader(HttpHeaders.CONTENT_DISPOSITION, contentDisposition);
}
response.setHeader(HttpHeaders.CONTENT_LENGTH, String.valueOf(contentLength));
// [要下载的开始位置]-[结束位置]/[文件总大小]
response.setHeader(HttpHeaders.CONTENT_RANGE, "bytes " + startByte + rangeSeparator + endByte + "/" + file.length());
@@ -193,4 +195,4 @@ public class FileUtil {
}
}
}
}
}