zxzzxzzhhms的专栏

public static void main(String[] args) { try { //文件转base64 File file = new File("D:\\lib\\111.txt"); FileInputStream inputStream = new FileInputStream(file); byte[] b = new byte[inputStream.available()]; inputStream.

//map to xml public static String converter(Map<Object, Object> dataMap, String rootName) { synchronized (MapToXMLString.class) //同步锁，确保每次只有一个线程调用。 { StringBuilder strBuilder = new StringBuilder(); strBuilder.append("<"+r.