java解压zip包的方法（Java之文件压缩打包成zip包）

package com.biubiu.utils; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class Utils { public static void zipDir(String sourcePath, String zipPath) throws Exception { ZipOutputStream zos = null; FileInputStream fis = null; try { zos = new ZipOutputStream(new FileOutputStream(zipPath)); File sourceDir = new File(sourcePath); File[] listFiles = sourceDir.listFiles(); for (File file : listFiles) { // 向zip输出流中添加一个zip实体，构造器中name为zip实体的文件的名字 zos.putNextEntry(new ZipEntry(sourceDir.getName() File.separator file.getName())); // copy文件到zip输出流中 int len; fis = new FileInputStream(file); byte[] buffer = new byte[2048]; while ((len = fis.read(buffer)) != -1) { zos.write(buffer, 0, len); zos.flush(); } if (fis != null) { fis.close(); } } } catch (Exception e) { throw new Exception("创建ZIP文件失败"); } finally { if (zos != null) { zos.close(); } if (fis != null) { fis.close(); } } } }