package com.cn;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* 压缩.zip文件类
* 创建者 : xxx
* 创建日期: 2018年06月29日
* */
public class ZipCompressorByAnt {
private static final int BUFFER_SIZE = 2 * 1024;
/**
* @param srcDir 压缩文件夹路径
* @param out 压缩文件输出流
* @param KeepDirStructure 是否保留原来的目录结构,
* true:保留目录结构;
* false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
* @throws RuntimeException 压缩失败会抛出运行时异常
*/
public static boolean toZip(String[] srcDir, String outDir,boolean KeepDirStructure)
throws RuntimeException, Exception {
OutputStream out = new FileOutputStream(new File(outDir)); long start = System.currentTimeMillis(); ZipOutputStream zos = null; try { zos = new ZipOutputStream(out); List sourceFileList = new ArrayList(); for (String dir : srcDir) { File sourceFile = new File(dir); sourceFileList.add(sourceFile); } compress(sourceFileList, zos, KeepDirStructure); long end = System.currentTimeMillis(); System.out.println("压缩完成，耗时：" + (end - start) + " ms"); } catch (Exception e) { throw new RuntimeException("zip error from ZipUtils", e); } finally { if (zos != null) { try { zos.close(); } catch (IOException e) { e.printStackTrace(); } } } } /** * 递归压缩方法 * @param sourceFile 源文件 * @param zos zip输出流 * @param name 压缩后的名称 * @param KeepDirStructure 是否保留原来的目录结构, * true:保留目录结构; * false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败) * @throws Exception */ private static void compress(File sourceFile, ZipOutputStream zos, String name, boolean KeepDirStructure) throws Exception { byte[] buf = new byte[BUFFER_SIZE]; if (sourceFile.isFile()) { zos.putNextEntry(new ZipEntry(name)); int len; FileInputStream in = new FileInputStream(sourceFile); while ((len = in.read(buf)) != -1) { zos.write(buf, 0, len); } // Complete the entry zos.closeEntry(); in.close(); } else { File[] listFiles = sourceFile.listFiles(); if (listFiles == null || listFiles.length == 0) { if (KeepDirStructure) { zos.putNextEntry(new ZipEntry(name + "/")); zos.closeEntry(); } } else { for (File file : listFiles) { if (KeepDirStructure) { compress(file, zos, name + "/" + file.getName(), KeepDirStructure); } else { compress(file, zos, file.getName(), KeepDirStructure);}
}
} } } private static void compress(List sourceFileList, ZipOutputStream zos, boolean KeepDirStructure) throws Exception { byte[] buf = new byte[BUFFER_SIZE]; for (File sourceFile : sourceFileList) { String name = sourceFile.getName(); if (sourceFile.isFile()) { zos.putNextEntry(new ZipEntry(name)); int len; FileInputStream in = new FileInputStream(sourceFile); while ((len = in.read(buf)) != -1) { zos.write(buf, 0, len); } zos.closeEntry(); in.close(); } else { File[] listFiles = sourceFile.listFiles(); if (listFiles == null || listFiles.length == 0) { if (KeepDirStructure) { zos.putNextEntry(new ZipEntry(name + "/")); zos.closeEntry(); } } else { for (File file : listFiles) { if (KeepDirStructure) { compress(file, zos, name + "/" + file.getName(), KeepDirStructure); } else { compress(file, zos, file.getName(), KeepDirStructure); } } } } }}
public static void main(String[] args) throws Exception{ String pathFile="E:\\Files";//文件夹路径 String mainXmlPath="E:\\1.xml";//文件路径 String metaXmlPath="E:\\2.xml";//文件路径 String[] srcDir = { pathFile,mainXmlPath,metaXmlPath}; String outDir="E:\\mytest.zip";//压缩后的.zip路径 toZip(srcDir, outDir, true); }}
压缩前效果图：
压缩后效果图：
