base64文件保存

public static void base64ToFile(String base64, String fileName, String savePath) {
    File file = null;
    //创建文件目录
    String filePath = savePath;
    File dir = new File(filePath);
    if (!dir.exists() && !dir.isDirectory()) {
        dir.mkdirs();
    }
    BufferedOutputStream bos = null;
    java.io.FileOutputStream fos = null;
    try {
        byte[] bytes = Base64.getDecoder().decode(base64);
        file=new File(filePath + fileName);
        fos = new java.io.FileOutputStream(file);
        bos = new BufferedOutputStream(fos);
        bos.write(bytes);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}