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@liruiyi962464 2025-07-17T10:23:20.000000Z 字数 4899 阅读 90

String格式化正则表达式

代码

  1.     public static void main(String[] args) throws IOException {
  2.         String text = "总用量:0.490m³,阀门状态:On,电压:3.7V,当前单价:0.00元/m³,余额:0.00元,结算周期用量:0.000m³/0.00元,rssi:-129,";
  4.         // 正则表达式模式，用于匹配阀门状态、余额和rssi字段
  5.         String pattern = "阀门状态:(.*?),.*?余额:(.*?)元,.*?rssi:(.*?),$";
  7.         // 创建 Pattern 对象
  8.         Pattern r = Pattern.compile(pattern);
  10.         // 创建 Matcher 对象
  11.         Matcher m = r.matcher(text);
  13.         if (m.find()) {
  14.             String valveStatus = m.group(1); // 第一个括号里的内容是阀门状态
  15.             String balance = m.group(2); // 第二个括号里的内容是余额
  16.             String rssi = m.group(3); // 第三个括号里的内容是rssi
  18.             System.out.println("阀门状态: " + valveStatus);
  19.             System.out.println("余额: " + balance);
  20.             System.out.println("rssi: " + rssi);
  21.         } else {
  22.             System.out.println("未找到匹配的内容");
  23.         }
  24.     }
  1.     public static void main(String[] args) {
  2.         // 示例数据
  3.         List<String> resList = Arrays.asList(
  4.                 "PING 10.51.1.85 (10.51.1.85): 56 data bytes",
  5.                 "64 bytes from 10.51.1.85: seq=0 ttl=123 time=165.331 ms",
  6.                 "64 bytes from 10.51.1.85: seq=1 ttl=123 time=22.958 ms",
  7.                 "64 bytes from 10.51.1.85: seq=2 ttl=123 time=22.418 ms",
  8.                 "64 bytes from 10.51.1.85: seq=3 ttl=123 time=38.859 ms",
  9.                 "64 bytes from 10.51.1.85: seq=4 ttl=123 time=46.738 ms",
  10.                 "",
  11.                 "--- 10.51.1.85 ping statistics ---",
  12.                 "5 packets transmitted, 5 packets received, 0% packet loss",
  13.                 "round-trip min/avg/max = 22.418/59.260/165.331 ms",
  14.                 ""
  15.         );
  16.         String s = "";
  17.         //获取最短时延，平均时延，最大时延
  18.         if (resList != null || resList.size() > 0) {
  19.             String line = resList.get(resList.size() - 2);
  20.             System.out.println(line);
  21.             String pattern = "min/avg/max = (\\d+\\.\\d+)/(\\d+\\.\\d+)/(\\d+\\.\\d+) ms";
  22.             Pattern r = Pattern.compile(pattern);
  23.             Matcher m = r.matcher(line);
  24.             if (m.find()) {
  25.                 String min = calc(m.group(1));
  26.                 String avg = calc(m.group(2));
  27.                 String max = calc(m.group(3));
  28.                 s = "ping次数为" + 5 + ",最小时延为" + min + "ms,最大时延为" + max + "ms,平均时延为" + avg + "ms";
  29.                 System.err.println(s);
  30.             }else {
  31.                 System.err.println("ping结果为空");
  32.             }
  33.         }
  34.     }
  1.            String line = resList.get(resList.size() - 3);
  2.             String pattern = "min/avg/max = (\\d+\\.\\d+)/(\\d+\\.\\d+)/(\\d+\\.\\d+) ms";
  3.             Pattern r = Pattern.compile(pattern);
  4.             Matcher m = r.matcher(line);
  5.             if (m.find()) {
  6.                 String min = calc(m.group(1));
  7.                 String avg = calc(m.group(2));
  8.                 String max = calc(m.group(3));
  9.                 s = "ping次数为" + validationParameter.getPingCount() + ",最小时延为" + min + "ms,最大时延为" + max + "ms,平均时延为" + avg + "ms";
  10.             }
  1. private String attachResultHandle(Set<SysUser> userList,DeviceInfo deviceInfo,Object result, BusinessValidationParameter validationParameter, BusinessValidationDetails businessValidationDetails) {
  2.         //处理结果
  3.         String s = ""; //attach时延结果
  4.         Double successCount = 0.00; //attach时延不为error的次数
  5.         int m = 0; // attach次数
  6.         int totalDelay = 0; //attach时延总和
  7.         int minDelay = 0; //attach时延最小值
  8.         int maxDelay = 0; //attach时延最大值
  9.         int countDelayed = 0; //attach时延不为error的次数
  10.         int errorCount = 0; // attach时延为error的次数
  11.         String strResult = result.toString(); //attach时延结果
  12.         strResult = strResult.substring(1, strResult.length() - 2); //attach时延结果
  13.         List<String> resList = Arrays.asList(strResult.split(",")); //attach时延结果集合
  14.         if (resList != null && resList.size() > 0) {
  15.             System.out.println(resList);
  16.             for (int i = 0; i < Integer.parseInt(validationParameter.getAttachCount()); i++) {
  17.                 m = i + 1; //attach次数
  18.                 String delayStr = resList.get(i).trim(); // 去除可能的空格
  19.                 if (!delayStr.equalsIgnoreCase("\"error\"")) {
  20.                     try {
  21.                         int delay = Integer.parseInt(delayStr);
  22.                         successCount++;
  23.                         totalDelay += delay;
  24.                         countDelayed++;
  26.                         // 更新最小和最大时延
  27.                         if (delay < minDelay) {
  28.                             minDelay = delay;
  29.                         }
  30.                         if (delay > maxDelay) {
  31.                             maxDelay = delay;
  32.                         }
  33.                     } catch (NumberFormatException e) {
  34.                         System.err.println("无效的数值格式: " + delayStr);
  35.                     }
  36.                 }else {
  37.                     errorCount++;
  38.                 }
  39.             }
  40.             // 计算平均时延
  41.             double avgDelay = (countDelayed == 0) ? 0 : (double) totalDelay / countDelayed;
  43.             // 构建包含统计信息的字符串
  44.             // 构建包含统计信息的字符串
  45.             if (errorCount != 0){
  46.                 s = "attach次数为" + m + ",error次数为" + errorCount +",最小时延为" + minDelay + "ms,最大时延为" + maxDelay + "ms,平均时延为" + String.format("%.2f", avgDelay) + "ms";
  47.             }else {
  48.                 s = "attach次数为" + m + ",最小时延为" + minDelay + "ms,最大时延为" + maxDelay + "ms,平均时延为" + String.format("%.2f", avgDelay) + "ms";
  49.             }
  51.             //计算成功率
  52.             Double successRate = successCount / Integer.parseInt(validationParameter.getAttachCount());
  53.             successRate = successRate * 100;
  54.             businessValidationDetails.setAttachSuccessRate(successRate.toString());
  56.             //判断成功率是否正常
  57.             if (Integer.parseInt(validationParameter.getAttachSuccessRate()) > successRate) {
  58.                 //成功率异常
  59.                 // 告警且推送
  60.                 //创建告警记录对象
  61.                 String alarmContent = deviceInfo.getName() + "设备的attach业务验证成功率为" + successRate + "%," + "低于设定的标准值";
  62.                 AlarmRecord alarmRecord = new AlarmRecord();
  63.                 alarmRecord.setAlarmType("6");
  64.                 alarmRecord.setAlarmTime(getCurrentDay());
  65.                 alarmRecord.setDeviceId(deviceInfo.getId());
  66.                 alarmRecord.setAlarmContent(alarmContent);
  67.                 alarmRecordService.save(alarmRecord);
  69.                 //推送到系统公告中
  70.                 sendSysAnnouncement(userList, "attach业务验证", alarmContent);
  72.                 businessValidationDetails.setSuccessState("0");
  73.             } else {
  74.                 //成功率正常
  75.                 businessValidationDetails.setSuccessState("1");
  76.             }
  78.             //判断延时是否正常
  79.             //计算平均延时
  80.             double avgDelayed = countDelayed / successCount;
  81.             if (avgDelayed > Double.parseDouble(validationParameter.getAttachDelayed())) {
  82.                 //延时异常
  83.                 //告警且推送
  84.                 String alarmContent = deviceInfo.getName() + "设备的attach业务验证平均时延为" + avgDelayed + "ms,低于设定的标准值";
  85.                 AlarmRecord alarmRecord = new AlarmRecord();
  86.                 alarmRecord.setAlarmType("6");
  87.                 alarmRecord.setAlarmTime(getCurrentDay());
  88.                 alarmRecord.setDeviceId(deviceInfo.getId());
  89.                 alarmRecord.setAlarmContent(alarmContent);
  90.                 alarmRecordService.save(alarmRecord);
  92.                 //推送到系统公告中
  93.                 sendSysAnnouncement(userList, "attach业务验证", alarmContent);
  95.                 businessValidationDetails.setTimeDelayState("0");
  96.             } else {
  97.                 //延时正常
  98.                 businessValidationDetails.setTimeDelayState("1");
  99.             }
  100.         }
  101.         return s;
  102.     }**粗体文本**
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