java zip处理工具

本文主要是介绍java zip处理工具，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

 1、pom依赖

        <!--        zip打包工具--><dependency><groupId>org.apache.ant</groupId><artifactId>ant</artifactId><version>1.10.5</version></dependency>

2、utils工具类

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.charset.Charset;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;public class ZipUtils {/*** 压缩一个文件或者目录** @param zipFileName 压缩后的文件名(绝对路径)：*                    如E:\app_data\\upload\temp\batchDownload\A2023001_检查.zip* @param zipFilePath 需要被压缩的文件路径(绝对路径)：*                    如E:\app_data\\upload\temp\batchDownload\A2023001_检查* @throws Exception*/public static void zip(String zipFileName, String zipFilePath) throws Exception {zip(zipFileName, new File(zipFilePath));}/*** @param zipFileName 压缩后的文件名及路径* @param zipFilePath 要被压缩的文件的输入流* @throws Exception*/public static void zip(String zipFileName, File zipFilePath) throws Exception {ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));zip(out, zipFilePath, "");System.out.println("zip done");out.close();}/*** 用于压缩整个目录或者单个文件** @param out  源文件的输出流* @param f    目标压缩文件的输入流* @param base a* @throws Exception*/private static void zip(ZipOutputStream out, File f, String base) throws Exception {System.out.println("Zipping  " + f.getName());if (f.isDirectory()) {File[] fl = f.listFiles();//out.putNextEntry(new ZipEntry(base+"/"));out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + f.getName() + "/"));for (int i = 0; i < fl.length; i++) {//zip(out,fl[i],base);zip(out, fl[i], base + f.getName() + "/");}} else {//base=base.length()==0?"":base+"/";out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + f.getName()));FileInputStream in = new FileInputStream(f);int len;byte[] buffer = new byte[1024];while ((len = in.read(buffer)) != -1) {out.write(buffer, 0, len);}in.close();}}/*** 解压缩** @param zipFileName     压缩文件* @param outputDirectory 目标路径* @throws Exception*/public static void unzip(String zipFileName, String outputDirectory) throws Exception {unzip(zipFileName, outputDirectory, Charset.forName("GBK"));}/*** 解压缩** @param zipFile         压缩文件* @param outputDirectory 目标路径* @throws Exception*/public static void unzip(File zipFile, String outputDirectory) throws Exception {ZipInputStream in = new ZipInputStream(new FileInputStream(zipFile));ZipEntry z;while ((z = in.getNextEntry()) != null) {System.out.println("unziping " + z.getName());if (z.isDirectory()) {String name = z.getName();name = name.substring(0, name.length() - 1);File f = new File(outputDirectory + File.separator + name);f.mkdir();System.out.println("mkdir " + outputDirectory + File.separator + name);} else {File f = new File(outputDirectory + File.separator + z.getName());f.createNewFile();FileOutputStream out = new FileOutputStream(f);int b;while ((b = in.read()) != -1) {out.write(b);}out.close();}}in.close();}/*** 解压缩** @param zipFileName     压缩文件* @param outputDirectory 目标路径* @throws Exception*/public static void unzip(String zipFileName, String outputDirectory, Charset charset) throws Exception {ZipInputStream in = new ZipInputStream(new FileInputStream(zipFileName), charset);ZipEntry z;while ((z = in.getNextEntry()) != null) {System.out.println("unziping " + z.getName());if (z.isDirectory()) {String name = z.getName();name = name.substring(0, name.length() - 1);File f = new File(outputDirectory + File.separator + name);f.mkdir();System.out.println("mkdir " + outputDirectory + File.separator + name);} else {File f = new File(outputDirectory + File.separator + z.getName());f.createNewFile();FileOutputStream out = new FileOutputStream(f);int b;while ((b = in.read()) != -1) {out.write(b);}out.close();}}in.close();}//测试压缩文件public static void main(String[] args) throws Exception {String zipFileName = "E:\\test\\aa.zip";String zipFilePath = "E:\\test\\aa";zip(zipFileName, zipFilePath);}
}

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