将 [50, 51, 52, 53, 24353, 19978, 54, 55, 66, 70, 88, 56, 57, 58, 116, 99, 26447, 26032] 的 [ ] 空格去掉
public static void main(String[] args) throws Base64DecodingException {
String str = "[50, 51, 52, 53, 24353, 19978, 54, 55, 66, 70, 88, 56, 57, 58, 116, 99, 26447, 26032]";
str = str.replaceAll("(\\[)|(])|\\s", "");
System.out.println(str);
}