From af3f2ba21952b5f17cbbb77d4d4632ae61eb590a Mon Sep 17 00:00:00 2001 From: tianyuan <2861334240@qq.com> Date: Wed, 31 Dec 2025 11:28:44 +0800 Subject: [PATCH] =?UTF-8?q?=E5=B7=A5=E5=85=B7=E7=B1=BB=E4=BF=AE=E6=94=B9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../com/campus/water/util/CommonUtils.java | 246 ++++++++++++++++++ 1 file changed, 246 insertions(+) diff --git a/src/main/java/com/campus/water/util/CommonUtils.java b/src/main/java/com/campus/water/util/CommonUtils.java index 41ccc77..615690a 100644 --- a/src/main/java/com/campus/water/util/CommonUtils.java +++ b/src/main/java/com/campus/water/util/CommonUtils.java @@ -554,4 +554,250 @@ public class CommonUtils { default -> "普通"; }; } + + + /** + * 设备MAC地址格式校验（12位十六进制，支持冒号/横线分隔或无分隔） + */ + public static boolean validateMacAddress(String mac) { + if (isBlankWithFullWidth(mac)) { + return false; + } + // 去除分隔符，转为纯12位十六进制字符串 + String pureMac = mac.replace(":", "").replace("-", "").trim().toLowerCase(); + if (pureMac.length() != 12) { + return false; + } + return pureMac.matches("[0-9a-f]+"); + } + + /** + * 设备IP地址格式校验（IPv4） + */ + public static boolean validateIpv4Address(String ip) { + if (isBlankWithFullWidth(ip)) { + return false; + } + String[] ipSegments = ip.split("\\."); + if (ipSegments.length != 4) { + return false; + } + try { + for (String segment : ipSegments) { + int num = Integer.parseInt(segment); + if (num < 0 || num > 255) { + return false; + } + } + return true; + } catch (NumberFormatException e) { + log.warn("IP地址格式错误：{}", ip); + return false; + } + } + + /** + * 批量校验设备ID（返回无效ID列表） + */ + public static List batchValidateDeviceId(List deviceIdList) { + List invalidIds = new ArrayList<>(); + if (isEmpty(deviceIdList)) { + return invalidIds; + } + for (String deviceId : deviceIdList) { + if (!validateDeviceId(deviceId)) { + invalidIds.add(deviceId); + } + } + return invalidIds; + } + /** + * 设备状态转换（中文转枚举/英文） + */ + public static String convertCnToDeviceStatus(String cnStatus) { + if (isBlankWithFullWidth(cnStatus)) { + return "unknown"; + } + return switch (cnStatus.trim()) { + case "在线" -> "online"; + case "离线" -> "offline"; + case "故障" -> "fault"; + default -> "unknown"; + }; + } + + + /** + * 设备数据单位转换（MPa转Bar，1MPa=10Bar） + */ + public static BigDecimal convertMpaToBar(BigDecimal mpa) { + if (!validateSensorValue(mpa)) { + return BigDecimal.ZERO; + } + return mpa.multiply(new BigDecimal("10")).setScale(2, RoundingMode.HALF_UP); + } + + /** + * 设备数据单位转换（Bar转MPa） + */ + public static BigDecimal convertBarToMpa(BigDecimal bar) { + if (!validateSensorValue(bar)) { + return BigDecimal.ZERO; + } + return bar.divide(new BigDecimal("10"), 2, RoundingMode.HALF_UP); + } + + /** + * 数字转中文数字（0-100，适配滤芯寿命/水位等展示） + */ + public static String convertNumToCn(Integer num) { + if (num == null || num < 0 || num > 100) { + return "零"; + } + String[] cnNums = {"零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十"}; + if (num <= 10) { + return cnNums[num]; + } else if (num < 20) { + return "十" + cnNums[num - 10]; + } else if (num % 10 == 0) { + return cnNums[num / 10] + "十"; + } else { + return cnNums[num / 10] + "十" + cnNums[num % 10]; + } + } + /** + * 工单状态转换（枚举转中文） + */ + public static String convertOrderStatusToCn(String status) { + if (isBlankWithFullWidth(status)) { + return "未知状态"; + } + return switch (status.toLowerCase()) { + case "pending" -> "待处理"; + case "processing" -> "处理中"; + case "completed" -> "已完成"; + case "cancelled" -> "已取消"; + default -> "未知状态"; + }; + } + + /** + * 工单类型转换（枚举转中文） + */ + public static String convertOrderTypeToCn(String type) { + if (isBlankWithFullWidth(type)) { + return "未知类型"; + } + return switch (type.toLowerCase()) { + case "repair" -> "故障维修"; + case "maintenance" -> "定期保养"; + case "inspection" -> "设备巡检"; + default -> "未知类型"; + }; + } + + + + + /** + * 生成模拟告警信息（基于设备类型） + */ + public static String generateMockAlertMessage(DeviceType type) { + String[] makerAlerts = { + "原水TDS值过高，超出阈值", + "纯水TDS值异常，滤芯可能失效", + "水压过低，设备无法正常制水", + "设备检测到漏水，需紧急处理", + "滤芯寿命不足，需尽快更换" + }; + String[] supplyAlerts = { + "水位过低，需及时补水", + "水压异常，供水不稳定", + "水温过高，设备散热异常", + "出水流量过低，可能堵塞", + "设备离线，通信中断" + }; + Random random = new Random(); + if (DeviceType.water_maker.equals(type)) { + return makerAlerts[random.nextInt(makerAlerts.length)]; + } else { + return supplyAlerts[random.nextInt(supplyAlerts.length)]; + } + } + /** + * 字符串脱敏（通用，保留前n位后m位，中间用*填充） + */ + public static String desensitizeString(String str, int keepPrefix, int keepSuffix) { + if (isBlankWithFullWidth(str)) { + return str; + } + int length = str.length(); + if (length <= keepPrefix + keepSuffix) { + return str; + } + StringBuilder sb = new StringBuilder(); + sb.append(str.substring(0, keepPrefix)); + for (int i = 0; i < length - keepPrefix - keepSuffix; i++) { + sb.append("*"); + } + sb.append(str.substring(length - keepSuffix)); + return sb.toString(); + } + + + /** + * 批量空值替换（列表） + */ + public static List batchDefaultIfNull(List list, T defaultValue) { + List result = new ArrayList<>(); + if (isEmpty(list)) { + return result; + } + for (T item : list) { + result.add(defaultIfNull(item, defaultValue)); + } + return result; + } + + /** + * 生成指定长度的随机数字字符串 + */ + public static String generateRandomNumStr(int length) { + if (length <= 0) { + return ""; + } + Random random = new Random(); + StringBuilder sb = new StringBuilder(); + for (int i = 0; i < length; i++) { + sb.append(random.nextInt(10)); + } + return sb.toString(); + } + + /** + * 生成指定长度的随机字母字符串（大小写混合） + */ + public static String generateRandomLetterStr(int length) { + if (length <= 0) { + return ""; + } + Random random = new Random(); + StringBuilder sb = new StringBuilder(); + String letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + for (int i = 0; i < length; i++) { + sb.append(letters.charAt(random.nextInt(letters.length()))); + } + return sb.toString(); + } + + /** + * 计算两个日期的间隔天数 + */ + public static long calculateDayInterval(Date start, Date end) { + if (start == null || end == null) { + return 0; + } + long millisDiff = Math.abs(end.getTime() - start.getTime()); + return millisDiff / (24 * 60 * 60 * 1000); + } } \ No newline at end of file -- 2.34.1