谁有java压缩包 java直接下载zip压缩包

1.将文件压缩后下载工具类

package com.phkj.equipment.util.file;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipUtils {
    private static final Logger log = LoggerFactory.getLogger(ZipUtils.class);


    /**
     * 多文件压缩
     *
     * @param
     * @param outputStream
     */
    public static void doCompress(List<FileBean> fileBeans, OutputStream outputStream) throws IOException {
        ZipOutputStream out = null;

        try {
            //创建ZipOutPutStream流
            out = new ZipOutputStream(outputStream);
            doZip(out, fileBeans);
        } catch (Exception e) {
            log.error("Class ZipUtils Method doCompress error", e);
            throw e;
        } finally {
            //关闭资源
            if (out != null)
                out.close();
        }
    }


    /**
     * @param out
     * @param fileBeans 源文件路径，下载后的文件名字
     * @throws IOException
     */
    public static void doZip(ZipOutputStream out, List<FileBean> fileBeans) throws IOException {

        FileInputStream fis = null;
        try {
            for (FileBean fileBean : fileBeans) {
                File file = new File(fileBean.getImagePath());
                if (file.exists()) {
                    //ZIP文件条目,设置条目名称
                    ZipEntry entry = new ZipEntry(fileBean.getFileName());
                    out.putNextEntry(entry);

                    int len = 0;
                    byte[] buffer = new byte[1024];
                    fis = new FileInputStream(file);
                    while ((len = fis.read(buffer)) > 0) {
                        out.write(buffer, 0, len);
                        out.flush();
                    }
                    fis.close();
                    out.closeEntry();

                }
            }

        } catch (Exception x) {
            throw x;
        } finally {
            if (fis != null)
                fis.close();
            if (out != null)
                out.closeEntry();
        }


    }

    public static void main(String[] args) throws IOException {

        List<FileBean> fileBeans = new ArrayList<>();
        FileBean fileBean = new FileBean();
        fileBean.setFileName("aaa.jpg");
        fileBean.setImagePath("D:\\111\\20050616004330465927.jpg");
        fileBeans.add(fileBean);
        FileBean fileBean2 = new FileBean();
        fileBean2.setFileName("bbb.jpg");
        fileBean2.setImagePath("D:\\111\\20050616432730740583.jpg");
        fileBeans.add(fileBean2);

        File file = new File("D:/java.zip");
        FileOutputStream fileOutputStream = new FileOutputStream(file);
        doCompress(fileBeans, fileOutputStream);
    }
}

2.文件类

package com.phkj.equipment.util.file;

import java.io.Serializable;

/**
 * 文件实体类*/
public class FileBean implements Serializable {

    private static final long serialVersionUID = -5452801884470115159L;


    /**
     * 源文件保存路径
     */
    private String imagePath;

    /**
     * 下载后的文件名字
     */
    private String fileName;

    public FileBean(){

    }


    public String getImagePath() {
        return imagePath;
    }

    public void setImagePath(String imagePath) {
        this.imagePath = imagePath;
    }

    public String getFileName() {
        return fileName;
    }

    public void setFileName(String fileName) {
        this.fileName = fileName;
    }
}

3.在控制器中使用

@RequestMapping(value = "/exportFaceZip", method = RequestMethod.GET)
    public void exportFaceZip(HttpServletResponse response) throws Exception {

        // 文件名外的双引号处理firefox的空格截断问题
        response.setHeader("Content-disposition", String.format("attachment; filename=\"%s\"", fileName));
        response.setContentType("application/x-msdownload");
        response.setCharacterEncoding("UTF-8");
        response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
        List<FileBean> fileBeans = new ArrayList<>();

        ZipUtils.doCompress(fileBeans, response.getOutputStream());
    }