JAVA编码（33）—— java文件压缩

    /**
     * 压缩文件路径
     */
    private final static String zipFilePath = "D://reporinfodata.zip"; 

　　location list容器中装的事文件的详细路劲



/**
     * 将查询的文件进行压缩打包
     * @param response 
     */
    private void getReportZip(HttpServletResponse response) {
        ZipOutputStream reportZip = null;
        try {
             reportZip = new ZipOutputStream(new FileOutputStream(zipFilePath));
             for (int i = 0; i < location.size(); i++) {
                 writeAFile(new File(location.get(i)), reportZip);
             }
             reportZip.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    /**
     * 将文件添加到压缩包中
     */
    public static void writeAFile(File file, ZipOutputStream zos) {
        try {
            FileInputStream fis = new FileInputStream(file);
            ZipEntry ze = new ZipEntry(file.getName());
            zos.putNextEntry(ze);
            zos.setEncoding("utf-8");//设置压缩文件的编码
            byte[] content = new byte[1024];
            int len;
            while ((len = fis.read(content)) != -1) {
                zos.write(content, 0, len);
            }
            zos.flush();
            fis.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }