处理个时间格式校验并加上时区信息

原创于 2025-03-31 09:26:12 发布 · 324 阅读

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#java #开发语言

public static void main(String[] args) {
        String inputStr ="2025/11/30 12:00 - 22:00";
        String regex =
                "^\\d{4}/(0?[1-9]|1[0-2])/(0[1-9]|[12]\\d|3[01])\\s+([01]\\d|2[0-3]):[0-5]\\d\\s*-\\s*([01]\\d|2[0-3]):[0-5]\\d$";           // 结束时间

        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(inputStr);
        if (!matcher.matches()) {
            throw new IllegalArgumentException("格式无效");
        }else{
            String[] parts = inputStr.split("-");
            ZoneId zoneId = ZoneId.of("Asia/Shanghai");
            DateTimeFormatter fmt1 = DateTimeFormatter.ofPattern("yyyy/M/d HH:mm");
            LocalDateTime localDateTime = LocalDateTimeUtil.parse(parts[0].trim(),fmt1);
            ZonedDateTime zdt1 = localDateTime.atZone(zoneId);
            Date date1 = Date.from(zdt1.toInstant());

            String startDateStr = parts[0].trim().split("\\s+")[0];
            DateTimeFormatter fmt2 = DateTimeFormatter.ofPattern("yyyy/M/d HH:mm");
            LocalDateTime localDateTime2 = LocalDateTimeUtil.parse(startDateStr+" "+parts[1].trim(),fmt2);
            ZonedDateTime zdt2 = localDateTime2.atZone(zoneId);
            Date date2 = Date.from(zdt2.toInstant());
            if(date1.after(date2)){
                System.out.println("格式无效不通过");
            }
            System.out.println("通过");
        }

    }