如何实现将java项目中的图片集保存为zip文件

如何实现将java项目中的图片集保存为zip文件

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;public class Zip {
// 压缩
public static void zip(String zipFileName, String inputFile)
throws Exception {
File f = new File(inputFile);
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
zipFileName));
zip(out, f, null);
System.out.println("zip done");
out.close();
} private static void zip(ZipOutputStream out, File f, String base)
throws Exception {
System.out.println("zipping " + f.getAbsolutePath());
if (f != null && f.isDirectory()) {
File[] fc = f.listFiles();
if (base != null)
out.putNextEntry(new ZipEntry(base + "/"));
base = base == null ? "" : base + "/";
for (int i = 0; i < fc.length; i++) {
zip(out, fc[i], base + fc[i].getName());
}
} else {
out.putNextEntry(new ZipEntry(base));
FileInputStream in = new FileInputStream(f);
int b;
while ((b = in.read()) != -1)
out.write(b);
in.close();
}
} // 解压
public static void unzip(String zipFileName, String outputDirectory)
throws Exception {
ZipInputStream in = new ZipInputStream(new FileInputStream(zipFileName));
ZipEntry z;
while ((z = in.getNextEntry()) != null) {
String name = z.getName();
if (z.isDirectory()) {
name = name.substring(0, name.length() - 1);
File f = new File(outputDirectory + File.separator + name);
f.mkdir();
System.out.println("MD " + outputDirectory + File.separator
+ name);
} else {
System.out.println("unziping " + z.getName());
File f = new File(outputDirectory + File.separator + name);
f.createNewFile();
FileOutputStream out = new FileOutputStream(f);
int b;
while ((b = in.read()) != -1)
out.write(b);
out.close();
}
}
in.close();
} public void deleteFolder(File dir) {
File filelist[] = dir.listFiles();
int listlen = filelist.length;
for (int i = 0; i < listlen; i++) {
if (filelist[i].isDirectory()) {
deleteFolder(filelist[i]);
} else {
filelist[i].delete();
}
}
dir.delete();// 删除当前目录
} public static void main(String[] args) {
try {
// TestZip t = new TestZip();
// t.zip("c:\\test.zip","c:\\test");
// t.unzip("c:\\test.zip","c:\\test2");
} catch (Exception e) {
e.printStackTrace(System.out);
}
}
}

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