apache ant进行zip解压缩操作示例分享

导入maven依赖
<dependency>
    <groupId>org.apache.ant</groupId>
    <artifactId>ant</artifactId>
    <version>1.10.9</version>
</dependency>
 
ZipUtils.java
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Expand;
import org.apache.tools.zip.ZipEntry;

import java.io.*;
import java.util.zip.ZipOutputStream;

public class ZipUtils {

    private static final String ENCODE = "UTF-8";

    /**
     * 压缩
     *
     * @param inputFilePath 压缩的路径,目录或文件
     * @param zipFileName   zip文件名
     */
    public static void zip(String inputFilePath, String zipFileName) {
        File inputFile = new File(inputFilePath);
        if (!inputFile.exists()) {
            throw new RuntimeException("原始文件不存在!!!");
        }
        File baseTarZipFile = new File(zipFileName).getParentFile();
        if (!baseTarZipFile.exists() && !baseTarZipFile.mkdirs()) {
            throw new RuntimeException("目标文件无法创建!!!");
        }
        BufferedOutputStream bos = null;
        FileOutputStream out = null;
        ZipOutputStream zOut = null;
        try {
            // 创建文件输出对象out,提示:注意中文支持
            out = new FileOutputStream(new String(zipFileName.getBytes(ENCODE)));
            bos = new BufferedOutputStream(out);
            // 將文件輸出ZIP输出流接起来
            zOut = new ZipOutputStream(bos);
            zip(zOut, inputFile, inputFile.getName());
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (zOut != null) {
                try {
                    zOut.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (bos != null) {
                try {
                    bos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (out != null) {
                try {
                    out.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    private static void zip(ZipOutputStream zOut, File file, String base) {
        try {
            // 如果文件句柄是目录
            if (file.isDirectory()) {
                // 获取目录下的文件
                File[] listFiles = file.listFiles();
                // 建立ZIP条目
                zOut.putNextEntry(new ZipEntry(base + "/"));
                base = (base.length() == 0 ? "" : base + "/");
                if (listFiles != null && listFiles.length > 0) {
                    // 遍历目录下文件
                    for (File f : listFiles) {
                        // 递归进入本方法
                        zip(zOut, f, base + f.getName());
                    }
                }
            } else {
                // 如果文件句柄是文件
                if (base == "") {
                    base = file.getName();
                }
                // 填入文件句柄
                zOut.putNextEntry(new ZipEntry(base));
                // 开始压缩
                // 从文件入流读,写入ZIP 出流
                writeFile(zOut, file);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static void writeFile(ZipOutputStream zOut, File file) throws IOException {
        FileInputStream in = new FileInputStream(file);
        BufferedInputStream bis = new BufferedInputStream(in);
        int len;
        byte[] buff = new byte[2048];
        while ((len = bis.read(buff)) != -1) {
            zOut.write(buff, 0, len);
        }
        zOut.flush();
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * 解压
     *
     * @param zipPath         zip文件路径
     * @param destinationPath 解压的目的地点,不存在时会自动创建
     */
    public static void unZip(String zipPath, String destinationPath) {
        File zipFile = new File(zipPath);
        if (!zipFile.exists()) {
            throw new RuntimeException(zipPath + " 不存在");
        }
        Project project = new Project();
        Expand expand = new Expand();
        expand.setProject(project);
        expand.setTaskType("unzip");
        expand.setTaskName("unzip");
        expand.setSrc(zipFile);
        expand.setDest(new File(destinationPath));
        expand.setEncoding(ENCODE);
        expand.execute();
    }

    public static void main(String[] args) {
        String dir = "C:\\Users\\Nihaorz\\Desktop\\apache-tomcat-8.5.57";
        zip(dir, "C:\\Users\\Nihaorz\\Desktop\\tomcat-8.5.57.zip");
        unZip("C:\\Users\\Nihaorz\\Desktop\\tomcat-8.5.57.zip", "C:\\Users\\Nihaorz\\Desktop\\tomcat-8.5.57");
    }
}

 

参考链接:apache ant进行zip解压缩操作示例分享_java_脚本之家 (jb51.net)

posted @ 2021-01-26 17:27  Nihaorz  阅读(545)  评论(0编辑  收藏  举报