java 如何将带有 utf-8 名称的 zip 条目添加到 zip
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How to add zip entry with utf-8 name to zip
提问by hudi
I have a method which adds inputStream to zip as an entry:
我有一个方法将 inputStream 添加到 zip 作为条目：
private void addToZip(InputStream is, String filename) throws Exception {
try {
ZipEntry zipEntry = new ZipEntry(filename);
zos.putNextEntry(zipEntry);
byte[] bytes = new byte[1024];
int length;
while ((length = is.read(bytes)) >= 0) {
zos.write(bytes, 0, length);
}
zos.closeEntry();
} finally {
IOUtils.closeQuietly(is);
}
}
The problem occurs when the filename contains an UTF-8 char like áé... In zip file it will be saved as ?????and when I unzip it in ubuntu 12.10 it looks like: N├бstrojeinstead of Nástroje.
当文件名包含UTF-8字符像AE将出现问题...在zip文件将被保存为?????当我在Ubuntu 12.10将它解压缩它看起来像：N├бstroje不是Nástroje。
For this example I used jdk6 but now I've also tried jdk7:
在这个例子中，我使用了 jdk6，但现在我也尝试了 jdk7：
zos = new ZipOutputStream(fos, Charset.forName("UTF-8"));
But with no success.
但没有成功。
I also tried Apache Commons Zip and set encoding but also with no success.
我也尝试过 Apache Commons Zip 并设置编码，但也没有成功。
So how I can add this file with unicode symbols in filename to zip ?
那么如何将文件名中带有 unicode 符号的文件添加到 zip 呢？
采纳答案by hudi
seems this line solved my problem:
似乎这条线解决了我的问题：
zos.setCreateUnicodeExtraFields(UnicodeExtraFieldPolicy.ALWAYS);
can someone explain me what is this doing and why it works ?
有人可以解释我这是在做什么以及它为什么起作用吗？
回答by Nickolay Olshevsky
Zip archive by default uses DOS(OEM) codepage to store filenames. Linux/unix implementations uses system codepage when unpacking. Mac OS uses utf-8 by default. So in your case filename is stored correctly, but Linux archiver doesn't understand it.
Zip 存档默认使用 DOS(OEM) 代码页来存储文件名。Linux/unix 实现在解包时使用系统代码页。Mac OS 默认使用 utf-8。因此，在您的情况下，文件名存储正确，但 Linux 归档程序无法理解。
