目前我正在使用以下代码将zip文件复制到另一个zip文件中。但是当zip文件大小增加到2GB时,程序会抛出内存不足的错误。我已经将xmx增加到1024,但问题仍然存在。是否有其他方法来处理大文件?
public static void zipFile(File srcFile, File zipFile)
throws FileNotFoundException, IOException {
BufferedInputStream origin = null;
FileOutputStream dest = new FileOutputStream(zipFile);
ZipOutputStream out = new ZipOutputStream(
new BufferedOutputStream(dest));
// out.setMethod(ZipOutputStream.DEFLATED);
byte data[] = new byte[BUFFER];
FileInputStream fi = new FileInputStream(srcFile);
origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(srcFile.getName());
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
out.close();
}