java實現zip壓縮文件（同一文件夾下的多個文件夾打成一個zip包）

參考：http://blog.163.com/shanqing_shuixiu@yeah/blog/static/165319229201192444434865/

 

Talk is cheap,show me the code!

同一文件夾下的多個文件夾打成一個zip包

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.CRC32;
import java.util.zip.CheckedOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipCompressor {
    static final int BUFFER = 8192;

    private File zipFile;

    public ZipCompressor(String pathName) {
        zipFile = new File(pathName);
    }
    public void compress(String... pathName) {
        ZipOutputStream out = null;
        try {
            FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
            CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
                    new CRC32());
            out = new ZipOutputStream(cos);
            String basedir = "";
            for (int i=0;i<pathName.length;i++){
                compress(new File(pathName[i]), out, basedir);
            }
            out.close();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    public void compress(String srcPathName) {
        File file = new File(srcPathName);
        if (!file.exists())
            throw new RuntimeException(srcPathName + "不存在！");
        try {
            FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
            CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
                    new CRC32());
            ZipOutputStream out = new ZipOutputStream(cos);
            String basedir = "";
            compress(file, out, basedir);
            out.close();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    private void compress(File file, ZipOutputStream out, String basedir) {
        /* 判斷是目錄還是文件 */
        if (file.isDirectory()) {
            System.out.println("壓縮：" + basedir + file.getName());
            this.compressDirectory(file, out, basedir);
        } else {
            System.out.println("壓縮：" + basedir + file.getName());
            this.compressFile(file, out, basedir);
        }
    }

    /** 壓縮一個目錄 */
    private void compressDirectory(File dir, ZipOutputStream out, String basedir) {
        if (!dir.exists())
            return;

        File[] files = dir.listFiles();
        for (int i = 0; i < files.length; i++) {
            /* 遞歸 */
            compress(files[i], out, basedir + dir.getName() + "/");
        }
    }

    /** 壓縮一個文件 */
    private void compressFile(File file, ZipOutputStream out, String basedir) {
        if (!file.exists()) {
            return;
        }
        try {
            BufferedInputStream bis = new BufferedInputStream(
                    new FileInputStream(file));
            ZipEntry entry = new ZipEntry(basedir + file.getName());
            out.putNextEntry(entry);
            int count;
            byte data[] = new byte[BUFFER];
            while ((count = bis.read(data, 0, BUFFER)) != -1) {
                out.write(data, 0, count);
            }
            bis.close();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
   public static void main(String[] args) {
        ZipCompressor zc = new ZipCompressor("E:/resource/resource.zip");
        zc.compress("E:/resource/js","E:/resource/css","E:/resource/images");
    }
}