java 压缩单个文件，多个文件，或者压缩文件夹

叁歲伎倆 2022-06-17 07:24 381阅读 0赞

/\*\*  
 \* Project Name:MonitoringPlatform-commons-util  
 \* File Name:ZipCompressing.java  
 \* Package Name:com.monitoring.common.util  
 \* Date:2017年4月20日上午11:19:35  
 \* Copyright (c) 2017, chenzhou1025@126.com All Rights Reserved.  
 \*  
\*/  
  
package com.monitoring.common.util;  
import org.apache.commons.lang.StringUtils;  
   
import org.apache.log4j.Logger;  
  
import java.io.\*;  
import java.util.zip.ZipEntry;  
import java.util.zip.ZipOutputStream;  
   
/\*\*  
 \* Function : 文件压缩成zip  
 \* @author  : lqf  
 \* @Date    : 2015-12-15  
 \*/  
public class ZipCompressing \{  
    private static final Logger logger = Logger.getLogger(ZipCompressing.class);  
   
    static int k = 1; // 定义递归次数变量  
    public ZipCompressing() \{\}  
   
   
    /\*\*  
     \* 压缩指定的单个或多个文件，如果是目录，则遍历目录下所有文件进行压缩  
     \* @param zipFileName ZIP文件名包含全路径  
     \* @param files  文件列表  
     \*/  
    @SuppressWarnings("unused")  
    public static boolean zip(String zipFileName, File... files) \{  
        logger.info("压缩: "+zipFileName);  
        ZipOutputStream out = null;  
        BufferedOutputStream bo = null;  
        try \{  
            createDir(zipFileName);  
            out = new ZipOutputStream(new FileOutputStream(zipFileName));  
            for (int i = 0; i < files.length; i++) \{  
                if (null != files\[i\]) \{  
                    zip(out, files\[i\], files\[i\].getName());  
                \}  
            \}  
            out.close(); // 输出流关闭  
            logger.info("压缩完成");  
            return true;  
        \} catch (Exception e) \{  
            logger.error(e.getMessage());  
            e.printStackTrace();  
        \}  
        return false;  
    \}  
   
    /\*\*  
     \* 执行压缩  
     \* @param out ZIP输入流  
     \* @param f   被压缩的文件  
     \* @param base  被压缩的文件名  
     \*/  
    private static void zip(ZipOutputStream out, File f, String base) \{ // 方法重载  
        try \{  
            if (f.isDirectory()) \{//压缩目录  
                try \{  
                    File\[\] fl = f.listFiles();  
                    if (fl.length == 0) \{  
                        out.putNextEntry(new ZipEntry(base + "/"));  // 创建zip实体  
                        logger.info(base + "/");  
                    \}  
                    for (int i = 0; i < fl.length; i++) \{  
                        zip(out, fl\[i\], base + "/" + fl\[i\].getName()); // 递归遍历子文件夹  
                    \}  
                    //System.out.println("第" + k + "次递归");  
                    k++;  
                \} catch (IOException e) \{  
                    logger.error(e.getMessage());  
                    e.printStackTrace();  
                \}  
            \}else\{ //压缩单个文件  
                logger.info(base);  
                out.putNextEntry(new ZipEntry(base)); // 创建zip实体  
                FileInputStream in = new FileInputStream(f);  
                BufferedInputStream bi = new BufferedInputStream(in);  
                int b;  
                while ((b = bi.read()) != -1) \{  
                    out.write(b); // 将字节流写入当前zip目录  
                \}  
                out.closeEntry(); //关闭zip实体  
                in.close(); // 输入流关闭  
            \}  
   
        \} catch (IOException e) \{  
            logger.error(e.getMessage());  
            e.printStackTrace();  
        \}  
    \}  
   
   
    /\*\*  
     \* 目录不存在时，先创建目录  
     \* @param zipFileName  
     \*/  
    private static void createDir(String zipFileName)\{  
        String filePath = StringUtils.substringBeforeLast(zipFileName, "/");  
        File targetFile = new File(filePath);  
        if (!targetFile.exists()) \{//目录不存在时，先创建目录  
            targetFile.mkdirs();  
        \}  
    \}  
   
   
    /\*\*  
     \* @param args  
     \*/  
    public static void main(String\[\] args) \{  
        try \{  
              
            ZipCompressing.zip("E:\\\\hospital\\\\trunk\\\\MonitoringPlatform-commons-util\\\\src\\\\main\\\\java\\\\com\\\\monitoring\\\\common\\\\util\\\\test1.zip",new File("E:\\\\hospital\\\\trunk\\\\MonitoringPlatform-commons-util\\\\src\\\\main\\\\java\\\\com\\\\monitoring\\\\common\\\\util\\\\IdTool.java"));    //测试单个文件  
           // ZipCompressing.zip("F:/test2.zip", new File("F:/common.mdb"), new File("F:/《浙江省食品安全风险监测信息》开发计划.xlsx"));   //测试多个文件  
           // ZipCompressing.zip("F:/test3.zip", new File("F:/test")); //测试压缩目录  
        \} catch (Exception e) \{  
            e.printStackTrace();  
        \}  
   
    \}  
\}  
  
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