使用Java将ZipoutStream存储到zip文件

Question

我必须在内存中创建ZIP存档 但现在，我需要把它保存在一个真实的世界里。磁盘中的zip文件。怎么做？ 伪代码：

public byte[] crtZipByteArray(ByteArrayInputStream data,ZipEntry entry) throws IOException{
     ByteArrayOutputStream zipout = new ByteArrayOutputStream(); 
    ZipOutputStream zos = new ZipOutputStream(zipout);
    byte[] buffer = new byte[1024];
    int len;
    zos.putNextEntry(entry);
    while ((len = data.read(buffer)) > 0) {
        zos.write(buffer, 0, len);
    }
    zos.closeEntry();

    zos.close();
    data.close();
    return zipout.toByteArray();
}

Answer 1

将ByteArrayOutputStream zipout替换为FileOutputStream zipout

如果需要将字节数组作为方法结果返回，请使用ApacheCommonsTeeOutputStream为两个流复制输出

public byte[] crtZipByteArray(ByteArrayInputStream data,ZipEntry entry) throws IOException{
        ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream(); 
        OutputStream fileOut = new FileOutputStream("filename.zip");
        OutputStream teeOut = new TeeOutputStream(byteArrayOut, fileOut);
        ZipOutputStream zos = new ZipOutputStream(teeOut);
.....
}