import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;
import java.util.zip.*;
public class Test {
private static String SOURCE_FILE = "D:\\file\\44.txt";
private static String TARGET_FILE = "D:\\file\\myzip.zip";
public static void main(String[] args) {
try {
createZipFile();
readZipFile();
} catch(IOException ioe) {
System.out.println("IOException:" + ioe);
}
}
private static void createZipFile() throws IOException{
FileOutputStream fout = new FileOutputStream(TARGET_FILE);
CheckedOutputStream checksum = new CheckedOutputStream(fout, new Adler32());
ZipOutputStream zout = new ZipOutputStream(checksum);
FileInputStream fin = new FileInputStream(SOURCE_FILE);
ZipEntry zipEntry = new ZipEntry("44.txt");
zout.putNextEntry(zipEntry);
zout.setComment("This is a sample comment.");
int length;
byte[] buffer = new byte[1024];
while((length = fin.read(buffer)) > 0) {
zout.write(buffer, 0, length);
}
zout.closeEntry();
zout.finish();
fin.close();
zout.close();
}
private static void readZipFile() throws IOException{
ZipInputStream zin = new ZipInputStream(new FileInputStream(TARGET_FILE));
ZipEntry entry;
while((entry = zin.getNextEntry())!=null){
System.out.printf("File:%s Modified on %TD %n",
entry.getName(), new Date(entry.getTime()));
System.out.println(entry.getComment());
extractFile(entry, zin);
System.out.printf("Zip file %s extracted successfully.", SOURCE_FILE);
zin.closeEntry();
}
zin.close();
}
private static void extractFile(final ZipEntry entry, ZipInputStream is)
throws IOException {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(entry.getName());
while(is.available() != 0){
fos.write(is.read());
}
} catch (IOException ioex) {
fos.close();
}
}
}
FileOutputStream.setComment()为空
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