字符串脱敏处理

/**
     * 脱敏处理
     *
     * @param name
     * @return
     */
    public static String nameDesensitization(String name) {
        if (name == null || name.isEmpty()) {
            return "";
        }
        String myName = null;
        char[] chars = name.toCharArray();
        if (chars.length == 1) {
            myName = name;
        }
        if (chars.length == 2) {
            myName = name.replaceFirst(name.substring(1), "*");
        }
        if (chars.length > 2) {
            myName = name.replaceAll(name.substring(1, chars.length - 1), "**");
        }
        return myName;
    }