base64

base64存pdf

public static void base64StringToPdf(byte[] bytes,String filePath){
    BufferedInputStream bis = null;
    FileOutputStream fos = null;
    BufferedOutputStream bos = null;

    try {
        //byte[] bytes = Base64.decode(base64Content, Base64..DEFAULT);
        ByteArrayInputStream byteInputStream = new ByteArrayInputStream(bytes);
        bis = new BufferedInputStream(byteInputStream);
        File file = new File(filePath);
        File path = file.getParentFile();
        if(!path.exists()){
            path.mkdirs();
        }
        fos = new FileOutputStream(file);
        bos = new BufferedOutputStream(fos);

        byte[] buffer = new byte[1024];
        int length = bis.read(buffer);
        while(length != -1){
            bos.write(buffer, 0, length);
            length = bis.read(buffer);
        }
        bos.flush();
    } catch (Exception e) {
        e.printStackTrace();
    }finally{
        try {
            if (bis != null){
                bis.close();
            }
            if (fos != null){
                fos.close();
            }
            if (bos != null){
                bos.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}