// 將信用卡有效期格式轉換為MMYYpublic String expiredTimeToMMYY(String expiredTime) {try {if(expiredTime.contains("/") || expiredTime.contains("-")) {expiredTime = expiredTime.replace("/", "");expiredTime = expiredTime.replace("-", "");}String before = expiredTime.substring(0, 2);String after = expiredTime.substring(2, 4);BigDecimal big = new BigDecimal(before);BigDecimal times = new BigDecimal("12");int compareTo = big.compareTo(times);// 如果前兩位大于12，,代表是年/月的格式if (compareTo == 1) {expiredTime = after + before;} else {expiredTime = before + after;}} catch (Exception e) {LOG.error("轉換有效期格式有誤=======" + e);e.printStackTrace();return expiredTime;}return expiredTime;}// 將信用卡有效期格式轉換為YYMMpublic String expiredTimeToYYMM(String expiredTime) {try {if(expiredTime.contains("/") || expiredTime.contains("-")) {expiredTime = expiredTime.replace("/", "");expiredTime = expiredTime.replace("-", "");}String before = expiredTime.substring(0, 2);String after = expiredTime.substring(2, 4);BigDecimal big = new BigDecimal(before);BigDecimal times = new BigDecimal("12");int compareTo = big.compareTo(times);// 如果前兩位大于12，,代表是年/月的格式if (compareTo == 1) {expiredTime = before + after;} else {expiredTime = after + before;}} catch (Exception e) {LOG.error("轉換有效期格式有誤=======" + e);e.printStackTrace();return expiredTime;}return expiredTime;}

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結果：

總結

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