content: 
  package com.platform.modules.system.service.impl;
  
  import cn.hutool.core.date.BetweenFormater.Level;
  import cn.hutool.core.date.DateUtil;
  import com.platform.modules.system.service.MonitorService;
  import com.platform.utils.StudioConstant;
  import com.platform.utils.FileUtil;
  import com.platform.utils.StringUtils;
  import org.springframework.stereotype.Service;
  import oshi.SystemInfo;
  import oshi.hardware.*;
  import oshi.software.os.FileSystem;
  import oshi.software.os.OSFileStore;
  import oshi.software.os.OperatingSystem;
  import oshi.util.FormatUtil;
  import oshi.util.Util;
  import java.lang.management.ManagementFactory;
  import java.text.DecimalFormat;
  import java.util.*;
  
  /**
  * @author AllDataDC
  * @date 2023-01-27
  */
  @Service
  public class MonitorServiceImpl implements MonitorService {
  
      private final DecimalFormat df = new DecimalFormat("0.00");
  
      @Override
      public Map<String,Object> getServers(){
          Map<String, Object> resultMap = new LinkedHashMap<>(8);
          try {
              SystemInfo si = new SystemInfo();
              OperatingSystem os = si.getOperatingSystem();
              HardwareAbstractionLayer hal = si.getHardware();
              // 系统信息
              resultMap.put("sys", getSystemInfo(os));
              // cpu 信息
              resultMap.put("cpu", getCpuInfo(hal.getProcessor()));
              // 内存信息
              resultMap.put("memory", getMemoryInfo(hal.getMemory()));
              // 交换区信息
              resultMap.put("swap", getSwapInfo(hal.getMemory()));
              // 磁盘
              resultMap.put("disk", getDiskInfo(os));
              resultMap.put("time", DateUtil.format(new Date(), "HH:mm:ss"));
          } catch (Exception e) {
              e.printStackTrace();
          }
          return resultMap;
      }
  
      /**
       * 获取磁盘信息
       * @return /
       */
      private Map<String,Object> getDiskInfo(OperatingSystem os) {
          Map<String,Object> diskInfo = new LinkedHashMap<>();
          FileSystem fileSystem = os.getFileSystem();
          List<OSFileStore> fsArray = fileSystem.getFileStores();
          String osName = System.getProperty("os.name");
          long available = 0, total = 0;
          for (OSFileStore fs : fsArray){
              // windows 需要将所有磁盘分区累加，linux 和 mac 直接累加会出现磁盘重复的问题，待修复
              if(osName.toLowerCase().startsWith(StudioConstant.WIN)) {
                  available += fs.getUsableSpace();
                  total += fs.getTotalSpace();
              } else {
                  available = fs.getUsableSpace();
                  total = fs.getTotalSpace();
                  break;
              }
          }
          long used = total - available;
          diskInfo.put("total", total > 0 ? FileUtil.getSize(total) : "?");
          diskInfo.put("available", FileUtil.getSize(available));
          diskInfo.put("used", FileUtil.getSize(used));
          if(total != 0){
              diskInfo.put("usageRate", df.format(used/(double)total * 100));
          } else {
              diskInfo.put("usageRate", 0);
          }
          return diskInfo;
      }
  
      /**
       * 获取交换区信息
       * @param memory /
       * @return /
       */
      private Map<String,Object> getSwapInfo(GlobalMemory memory) {
          Map<String,Object> swapInfo = new LinkedHashMap<>();
          VirtualMemory virtualMemory = memory.getVirtualMemory();
          long total = virtualMemory.getSwapTotal();
          long used = virtualMemory.getSwapUsed();
          swapInfo.put("total", FormatUtil.formatBytes(total));
          swapInfo.put("used", FormatUtil.formatBytes(used));
          swapInfo.put("available", FormatUtil.formatBytes(total - used));
          if(used == 0){
              swapInfo.put("usageRate", 0);
          } else {
              swapInfo.put("usageRate", df.format(used/(double)total * 100));
          }
          return swapInfo;
      }
  
      /**
       * 获取内存信息
       * @param memory /
       * @return /
       */
      private Map<String,Object> getMemoryInfo(GlobalMemory memory) {
          Map<String,Object> memoryInfo = new LinkedHashMap<>();
          memoryInfo.put("total", FormatUtil.formatBytes(memory.getTotal()));
          memoryInfo.put("available", FormatUtil.formatBytes(memory.getAvailable()));
          memoryInfo.put("used", FormatUtil.formatBytes(memory.getTotal() - memory.getAvailable()));
          memoryInfo.put("usageRate", df.format((memory.getTotal() - memory.getAvailable())/(double)memory.getTotal() * 100));
          return memoryInfo;
      }
  
      /**
       * 获取Cpu相关信息
       * @param processor /
       * @return /
       */
      private Map<String,Object> getCpuInfo(CentralProcessor processor) {
          Map<String,Object> cpuInfo = new LinkedHashMap<>();
          cpuInfo.put("name", processor.getProcessorIdentifier().getName());
          cpuInfo.put("package", processor.getPhysicalPackageCount() + "个物理CPU");
          cpuInfo.put("core", processor.getPhysicalProcessorCount() + "个物理核心");
          cpuInfo.put("coreNumber", processor.getPhysicalProcessorCount());
          cpuInfo.put("logic", processor.getLogicalProcessorCount() + "个逻辑CPU");
          // CPU信息
          long[] prevTicks = processor.getSystemCpuLoadTicks();
          // 默认等待300毫秒...
          long time = 300;
          Util.sleep(time);
          long[] ticks = processor.getSystemCpuLoadTicks();
          while (Arrays.toString(prevTicks).equals(Arrays.toString(ticks)) && time < 1000){
              time += 25;
              Util.sleep(25);
              ticks = processor.getSystemCpuLoadTicks();
          }
          long user = ticks[CentralProcessor.TickType.USER.getIndex()] - prevTicks[CentralProcessor.TickType.USER.getIndex()];
          long nice = ticks[CentralProcessor.TickType.NICE.getIndex()] - prevTicks[CentralProcessor.TickType.NICE.getIndex()];
          long sys = ticks[CentralProcessor.TickType.SYSTEM.getIndex()] - prevTicks[CentralProcessor.TickType.SYSTEM.getIndex()];
          long idle = ticks[CentralProcessor.TickType.IDLE.getIndex()] - prevTicks[CentralProcessor.TickType.IDLE.getIndex()];
          long iowait = ticks[CentralProcessor.TickType.IOWAIT.getIndex()] - prevTicks[CentralProcessor.TickType.IOWAIT.getIndex()];
          long irq = ticks[CentralProcessor.TickType.IRQ.getIndex()] - prevTicks[CentralProcessor.TickType.IRQ.getIndex()];
          long softirq = ticks[CentralProcessor.TickType.SOFTIRQ.getIndex()] - prevTicks[CentralProcessor.TickType.SOFTIRQ.getIndex()];
          long steal = ticks[CentralProcessor.TickType.STEAL.getIndex()] - prevTicks[CentralProcessor.TickType.STEAL.getIndex()];
          long totalCpu = user + nice + sys + idle + iowait + irq + softirq + steal;
          cpuInfo.put("used", df.format(100d * user / totalCpu + 100d * sys / totalCpu));
          cpuInfo.put("idle", df.format(100d * idle / totalCpu));
          return cpuInfo;
      }
  
      /**
       * 获取系统相关信息,系统、运行天数、系统IP
       * @param os /
       * @return /
       */
      private Map<String,Object> getSystemInfo(OperatingSystem os){
          Map<String,Object> systemInfo = new LinkedHashMap<>();
          // jvm 运行时间
          long time = ManagementFactory.getRuntimeMXBean().getStartTime();
          Date date = new Date(time);
          // 计算项目运行时间
          String formatBetween = DateUtil.formatBetween(date, new Date(), Level.HOUR);
          // 系统信息
          systemInfo.put("os", os.toString());
          systemInfo.put("day", formatBetween);
          systemInfo.put("ip", StringUtils.getLocalIp());
          return systemInfo;
      }
  }
  