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  • 生成zip压缩包

    package com.xiang;
    
    import java.io.BufferedInputStream;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.util.zip.ZipEntry;
    import java.util.zip.ZipOutputStream;
    
    public class ZipWriter {
        String source;
        String zipName;
    
        public ZipWriter() {
            super();
            // TODO Auto-generated constructor stub
        }
    
        public ZipWriter(String source, String zipName) {
            super();
            this.source = source;
            this.zipName = zipName;
        }
    
        public void zip() throws IOException {
            System.out.println("开始压缩。。。");
    
            ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipName));
            zipTemp(new File(source), zos, new File(source).getName());
            zos.close();
            System.out.println("压缩结束。。");
    
        }
    
        public void zipTemp(File file, ZipOutputStream zos, String ziptemp) throws IOException {
    
            System.out.println("source" + source);
            File[] files = file.listFiles();
            if (file.isDirectory() && files.length == 0) {
                System.out.println("压缩的空目录" + ziptemp + File.separator);
                // 生成目录后面要加分割符,不然无法生成。
                zos.putNextEntry(new ZipEntry(ziptemp + File.separator));
    
            } else {
                for (int i = 0; i < files.length; i++) {
                    if (files[i].isDirectory()) {
                        zipTemp(files[i], zos, ziptemp + File.separator + files[i].getName());
                    } else {
                        System.out.println("压缩的文件:" + ziptemp + File.separator + files[i].getName());
                        zos.putNextEntry(new ZipEntry(ziptemp + File.separator + files[i].getName()));
                        FileInputStream fis = new FileInputStream(files[i]);
                        BufferedInputStream bis = new BufferedInputStream(fis);
                        int len = 0;
                        byte[] bb = new byte[1024];
                        while ((len = bis.read(bb)) != -1) {
                            zos.write(bb, 0, len);
                        }
                        bis.close();
                    }
    
                }
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/wenwenzuiniucha/p/14749778.html
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