java zip工具类

╰+哭是因爲堅強的太久メ 2023-10-17 08:33 150阅读 0赞

package com.shop.ssm.util;
    
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.util.zip.ZipEntry;
    import java.util.zip.ZipOutputStream;
    
    /**java压缩成zip
     * @author 周志刚
     * 创建时间：2016年9月1日
     */
    public class FileZip {
    
        /**
         * @param inputFileName 你要压缩的文件夹(整个完整路径)
         * @param zipFileName 压缩后的文件(整个完整路径)
         * @throws Exception
         */
        public static Boolean zip(String inputFileName, String zipFileName) throws Exception {
            zip(zipFileName, new File(inputFileName));
            return true;
        }
    
        private static void zip(String zipFileName, File inputFile) throws Exception {
            ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));
            zip(out, inputFile, "");
            //out.flush();
            out.close();
        }
    
        private static void zip(ZipOutputStream out, File f, String base) throws Exception {
            if (f.isDirectory()) {
                File[] fl = f.listFiles();
                out.putNextEntry(new ZipEntry(base + "/"));
                base = base.length() == 0 ? "" : base + "/";
                for (int i = 0; i < fl.length; i++) {
                    zip(out, fl[i], base + fl[i].getName());
                }
            } else {
                out.putNextEntry(new ZipEntry(base));
                FileInputStream in = new FileInputStream(f);
                int b;
                //System.out.println(base);
                while ((b = in.read()) != -1) {
                    out.write(b);
                }
                in.close();
            }
        }
    
        public static void main(String [] temp){
            try {
                zip("E:\\ftl","E:\\test.zip");//你要压缩的文件夹      和  压缩后的文件
            }catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }