testzip.java

来自「局域网传输共享文件」· Java 代码 · 共 72 行

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class TestZip {
	/*
	 * 压缩ZIP文件格式函数 @param inputFile 要压缩的文件目录 @param outZipFile 要输出的ZIP文件
	 */
	@SuppressWarnings("unchecked")
	public static void compress(String inputFile, String outZipFile) {
		ArrayList fileNames = new ArrayList(); // 存放文件名,不包含路径名
		ArrayList files = new ArrayList(); // 存放文件File对象
		try {

			File rootFile = new File(inputFile);
			File newf = new File(outZipFile, rootFile.getName().trim() + ".zip");
			
			newf.createNewFile();
			FileOutputStream fileOut = new FileOutputStream(newf
					.getAbsolutePath());
			ZipOutputStream outputStream = new ZipOutputStream(fileOut);
			listFile(rootFile, fileNames, files);
			for (int loop = 0; loop < files.size(); loop++) {
				FileInputStream fileIn = new FileInputStream((File) files
						.get(loop));
				outputStream.putNextEntry(new ZipEntry((String) fileNames
						.get(loop)));
				byte[] buffer = new byte[1024];
				while (fileIn.read(buffer) != -1) {
					outputStream.write(buffer);
				}
				outputStream.closeEntry();
				fileIn.close();
			}
			outputStream.close();
		} catch (IOException ioe) {
			ioe.printStackTrace();
		}

	}

	/*
	 * 存放文件路径和文件名函数 @param paraentFile 是文件对象File @param nameList 存放文件名的集合 @param
	 * fileList 存放文件路径名
	 */
	public static void listFile(File parentFile, List<String> nameList,
			List<File> fileList) {
		if (parentFile.isDirectory()) {
			File[] files = parentFile.listFiles();
			for (int loop = 0; loop < files.length; loop++) {
				listFile(files[loop], nameList, fileList);
			}
		} else {
			System.out.println(parentFile);
			fileList.add(parentFile);
			nameList.add(parentFile.getName());
		}
	}

	/*
	 * 测试函数
	 */
	public static void main(String[] args) {
		compress("E:\\新建文件夹\\Java试题\\JAVAdoc", "");
	}
}