JAVAWEB壓縮多個文件並下載

        //文件名稱
        String[] names={"one.jpg","two.jpg","three.jpg","four.jpg"};
        //四個文件流
        FileInputStream input1 = new FileInputStream(new File("文件路徑"));
        FileInputStream input2 = new FileInputStream(new File("文件路徑"));
        FileInputStream input3 = new FileInputStream(new File("文件路徑"));
        FileInputStream input4 = new FileInputStream(new File("文件路徑"));
        FileInputStream[] inputs={input1,input2,input3,input4};
        //ZIP打包圖片
        File zipFile = new File("壓縮文件存放路徑");
        byte[] buf = new byte[1024];
        int len;
        ZipOutputStream zout=new ZipOutputStream(new FileOutputStream(zipFile));
        for (int i = 0; i < inputs.length; i++) {  
            FileInputStream in =inputs[i];  
            zout.putNextEntry(new ZipEntry(names[i]));    
            while ((len = in.read(buf)) > 0) {  
                zout.write(buf, 0, len);  
            }  
            zout.closeEntry();  
            in.close();  
        }
        zout.close();
        
        
        //下載圖片
        FileInputStream zipInput =new FileInputStream(zipFile);
        OutputStream out = response.getOutputStream();
        response.setContentType("application/octet-stream");
        response.setHeader("Content-Disposition", "attachment; filename=images.zip");
        while ((len=zipInput.read(buf))!= -1){  
            out.write(buf,0,len);  
        }
        zipInput.close();
        out.flush();
        out.close();
        //刪除壓縮包
        zipFile.delete();