1.准备cpu,jvm,文件盘符实体类
package com.joolun.framework.web.domain.server;
import java.lang.management.ManagementFactory;
import com.joolun.common.utils.Arith;
import com.joolun.common.utils.DateUtils;
/**
* JVM相关信息
*
* @author ruoyi
*/
public class Jvm
{
/**
* 当前JVM占用的内存总数(M)
*/
private double total;
/**
* JVM最大可用内存总数(M)
*/
private double max;
/**
* JVM空闲内存(M)
*/
private double free;
/**
* JDK版本
*/
private String version;
/**
* JDK路径
*/
private String home;
public double getTotal()
{
return Arith.div(total, (1024 * 1024), 2);
}
public void setTotal(double total)
{
this.total = total;
}
public double getMax()
{
return Arith.div(max, (1024 * 1024), 2);
}
public void setMax(double max)
{
this.max = max;
}
public double getFree()
{
return Arith.div(free, (1024 * 1024), 2);
}
public void setFree(double free)
{
this.free = free;
}
public double getUsed()
{
return Arith.div(total - free, (1024 * 1024), 2);
}
public double getUsage()
{
return Arith.mul(Arith.div(total - free, total, 4), 100);
}
/**
* 获取JDK名称
*/
public String getName()
{
return ManagementFactory.getRuntimeMXBean().getVmName();
}
public String getVersion()
{
return version;
}
public void setVersion(String version)
{
this.version = version;
}
public String getHome()
{
return home;
}
public void setHome(String home)
{
this.home = home;
}
/**
* JDK启动时间
*/
public String getStartTime()
{
return DateUtils.parseDateToStr(DateUtils.YYYY_MM_DD_HH_MM_SS, DateUtils.getServerStartDate());
}
/**
* JDK运行时间
*/
public String getRunTime()
{
return DateUtils.getDatePoor(DateUtils.getNowDate(), DateUtils.getServerStartDate());
}
}
package com.joolun.framework.web.domain.server;
import com.joolun.common.utils.Arith;
/**
* CPU相关信息
*
* @author ruoyi
*/
public class Cpu
{
/**
* 核心数
*/
private int cpuNum;
/**
* CPU总的使用率
*/
private double total;
/**
* CPU系统使用率
*/
private double sys;
/**
* CPU用户使用率
*/
private double used;
/**
* CPU当前等待率
*/
private double wait;
/**
* CPU当前空闲率
*/
private double free;
public int getCpuNum()
{
return cpuNum;
}
public void setCpuNum(int cpuNum)
{
this.cpuNum = cpuNum;
}
public double getTotal()
{
return Arith.round(Arith.mul(total, 100), 2);
}
public void setTotal(double total)
{
this.total = total;
}
public double getSys()
{
return Arith.round(Arith.mul(sys / total, 100), 2);
}
public void setSys(double sys)
{
this.sys = sys;
}
public double getUsed()
{
return Arith.round(Arith.mul(used / total, 100), 2);
}
public void setUsed(double used)
{
this.used = used;
}
public double getWait()
{
return Arith.round(Arith.mul(wait / total, 100), 2);
}
public void setWait(double wait)
{
this.wait = wait;
}
public double getFree()
{
return Arith.round(Arith.mul(free / total, 100), 2);
}
public void setFree(double free)
{
this.free = free;
}
}
package com.joolun.framework.web.domain.server;
import com.joolun.common.utils.Arith;
/**
* 內存相关信息
*
* @author ruoyi
*/
public class Mem
{
/**
* 内存总量
*/
private double total;
/**
* 已用内存
*/
private double used;
/**
* 剩余内存
*/
private double free;
public double getTotal()
{
return Arith.div(total, (1024 * 1024 * 1024), 2);
}
public void setTotal(long total)
{
this.total = total;
}
public double getUsed()
{
return Arith.div(used, (1024 * 1024 * 1024), 2);
}
public void setUsed(long used)
{
this.used = used;
}
public double getFree()
{
return Arith.div(free, (1024 * 1024 * 1024), 2);
}
public void setFree(long free)
{
this.free = free;
}
public double getUsage()
{
return Arith.mul(Arith.div(used, total, 4), 100);
}
}
package com.joolun.framework.web.domain.server;
/**
* 系统相关信息
*
* @author ruoyi
*/
public class Sys
{
/**
* 服务器名称
*/
private String computerName;
/**
* 服务器Ip
*/
private String computerIp;
/**
* 项目路径
*/
private String userDir;
/**
* 操作系统
*/
private String osName;
/**
* 系统架构
*/
private String osArch;
public String getComputerName()
{
return computerName;
}
public void setComputerName(String computerName)
{
this.computerName = computerName;
}
public String getComputerIp()
{
return computerIp;
}
public void setComputerIp(String computerIp)
{
this.computerIp = computerIp;
}
public String getUserDir()
{
return userDir;
}
public void setUserDir(String userDir)
{
this.userDir = userDir;
}
public String getOsName()
{
return osName;
}
public void setOsName(String osName)
{
this.osName = osName;
}
public String getOsArch()
{
return osArch;
}
public void setOsArch(String osArch)
{
this.osArch = osArch;
}
}
package com.joolun.framework.web.domain.server;
/**
* 系统文件相关信息
*
* @author ruoyi
*/
public class SysFile
{
/**
* 盘符路径
*/
private String dirName;
/**
* 盘符类型
*/
private String sysTypeName;
/**
* 文件类型
*/
private String typeName;
/**
* 总大小
*/
private String total;
/**
* 剩余大小
*/
private String free;
/**
* 已经使用量
*/
private String used;
/**
* 资源的使用率
*/
private double usage;
public String getDirName()
{
return dirName;
}
public void setDirName(String dirName)
{
this.dirName = dirName;
}
public String getSysTypeName()
{
return sysTypeName;
}
public void setSysTypeName(String sysTypeName)
{
this.sysTypeName = sysTypeName;
}
public String getTypeName()
{
return typeName;
}
public void setTypeName(String typeName)
{
this.typeName = typeName;
}
public String getTotal()
{
return total;
}
public void setTotal(String total)
{
this.total = total;
}
public String getFree()
{
return free;
}
public void setFree(String free)
{
this.free = free;
}
public String getUsed()
{
return used;
}
public void setUsed(String used)
{
this.used = used;
}
public double getUsage()
{
return usage;
}
public void setUsage(double usage)
{
this.usage = usage;
}
}
2.使用的工具类
package com.joolun.common.utils;
import java.math.BigDecimal;
import java.math.RoundingMode;
/**
* 精确的浮点数运算
*
* @author ruoyi
*/
public class Arith
{
/** 默认除法运算精度 */
private static final int DEF_DIV_SCALE = 10;
/** 这个类不能实例化 */
private Arith()
{
}
/**
* 提供精确的加法运算。
* @param v1 被加数
* @param v2 加数
* @return 两个参数的和
*/
public static double add(double v1, double v2)
{
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.add(b2).doubleValue();
}
/**
* 提供精确的减法运算。
* @param v1 被减数
* @param v2 减数
* @return 两个参数的差
*/
public static double sub(double v1, double v2)
{
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.subtract(b2).doubleValue();
}
/**
* 提供精确的乘法运算。
* @param v1 被乘数
* @param v2 乘数
* @return 两个参数的积
*/
public static double mul(double v1, double v2)
{
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.multiply(b2).doubleValue();
}
/**
* 提供(相对)精确的除法运算,当发生除不尽的情况时,精确到
* 小数点以后10位,以后的数字四舍五入。
* @param v1 被除数
* @param v2 除数
* @return 两个参数的商
*/
public static double div(double v1, double v2)
{
return div(v1, v2, DEF_DIV_SCALE);
}
/**
* 提供(相对)精确的除法运算。当发生除不尽的情况时,由scale参数指
* 定精度,以后的数字四舍五入。
* @param v1 被除数
* @param v2 除数
* @param scale 表示表示需要精确到小数点以后几位。
* @return 两个参数的商
*/
public static double div(double v1, double v2, int scale)
{
if (scale < 0)
{
throw new IllegalArgumentException(
"The scale must be a positive integer or zero");
}
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
if (b1.compareTo(BigDecimal.ZERO) == 0)
{
return BigDecimal.ZERO.doubleValue();
}
return b1.divide(b2, scale, RoundingMode.HALF_UP).doubleValue();
}
/**
* 提供精确的小数位四舍五入处理。
* @param v 需要四舍五入的数字
* @param scale 小数点后保留几位
* @return 四舍五入后的结果
*/
public static double round(double v, int scale)
{
if (scale < 0)
{
throw new IllegalArgumentException(
"The scale must be a positive integer or zero");
}
BigDecimal b = new BigDecimal(Double.toString(v));
BigDecimal one = new BigDecimal("1");
return b.divide(one, scale, RoundingMode.HALF_UP).doubleValue();
}
}
package com.joolun.common.utils;
import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;
/**
* 时间工具类
*
* @author ruoyi
*/
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
public static String YYYY = "yyyy";
public static String YYYY_MM = "yyyy-MM";
public static String YYYY_MM_DD = "yyyy-MM-dd";
public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
private static String[] parsePatterns = {
"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
"yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
/**
* 获取当前Date型日期
*
* @return Date() 当前日期
*/
public static Date getNowDate()
{
return new Date();
}
/**
* 获取当前日期, 默认格式为yyyy-MM-dd
*
* @return String
*/
public static String getDate()
{
return dateTimeNow(YYYY_MM_DD);
}
public static final String getTime()
{
return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
}
public static final String dateTimeNow()
{
return dateTimeNow(YYYYMMDDHHMMSS);
}
public static final String dateTimeNow(final String format)
{
return parseDateToStr(format, new Date());
}
public static final String dateTime(final Date date)
{
return parseDateToStr(YYYY_MM_DD, date);
}
public static final String parseDateToStr(final String format, final Date date)
{
return new SimpleDateFormat(format).format(date);
}
public static final Date dateTime(final String format, final String ts)
{
try
{
return new SimpleDateFormat(format).parse(ts);
}
catch (ParseException e)
{
throw new RuntimeException(e);
}
}
/**
* 日期路径 即年/月/日 如2018/08/08
*/
public static final String datePath()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyy/MM/dd");
}
/**
* 日期路径 即年/月/日 如20180808
*/
public static final String dateTime()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyyMMdd");
}
/**
* 日期型字符串转化为日期 格式
*/
public static Date parseDate(Object str)
{
if (str == null)
{
return null;
}
try
{
return parseDate(str.toString(), parsePatterns);
}
catch (ParseException e)
{
return null;
}
}
/**
* 获取服务器启动时间
*/
public static Date getServerStartDate()
{
long time = ManagementFactory.getRuntimeMXBean().getStartTime();
return new Date(time);
}
/**
* 计算两个时间差
*/
public static String getDatePoor(Date endDate, Date nowDate)
{
long nd = 1000 * 24 * 60 * 60;
long nh = 1000 * 60 * 60;
long nm = 1000 * 60;
// long ns = 1000;
// 获得两个时间的毫秒时间差异
long diff = endDate.getTime() - nowDate.getTime();
// 计算差多少天
long day = diff / nd;
// 计算差多少小时
long hour = diff % nd / nh;
// 计算差多少分钟
long min = diff % nd % nh / nm;
// 计算差多少秒//输出结果
// long sec = diff % nd % nh % nm / ns;
return day + "天" + hour + "小时" + min + "分钟";
}
}
3.导入pom
<!-- 获取系统信息 -->
<dependency>
<groupId>com.github.oshi</groupId>
<artifactId>oshi-core</artifactId>
<version>5.3.6</version>
</dependency>
4.封装的工具类
package com.joolun.framework.web.domain;
import java.net.UnknownHostException;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;
import com.joolun.common.utils.Arith;
import com.joolun.common.utils.ip.IpUtils;
import com.joolun.framework.web.domain.server.Cpu;
import com.joolun.framework.web.domain.server.Jvm;
import com.joolun.framework.web.domain.server.Mem;
import com.joolun.framework.web.domain.server.Sys;
import com.joolun.framework.web.domain.server.SysFile;
import oshi.SystemInfo;
import oshi.hardware.CentralProcessor;
import oshi.hardware.CentralProcessor.TickType;
import oshi.hardware.GlobalMemory;
import oshi.hardware.HardwareAbstractionLayer;
import oshi.software.os.FileSystem;
import oshi.software.os.OSFileStore;
import oshi.software.os.OperatingSystem;
import oshi.util.Util;
/**
* 服务器相关信息
*
* @author ruoyi
*/
public class Server
{
private static final int OSHI_WAIT_SECOND = 1000;
/**
* CPU相关信息
*/
private Cpu cpu = new Cpu();
/**
* 內存相关信息
*/
private Mem mem = new Mem();
/**
* JVM相关信息
*/
private Jvm jvm = new Jvm();
/**
* 服务器相关信息
*/
private Sys sys = new Sys();
/**
* 磁盘相关信息
*/
private List<SysFile> sysFiles = new LinkedList<SysFile>();
public Cpu getCpu()
{
return cpu;
}
public void setCpu(Cpu cpu)
{
this.cpu = cpu;
}
public Mem getMem()
{
return mem;
}
public void setMem(Mem mem)
{
this.mem = mem;
}
public Jvm getJvm()
{
return jvm;
}
public void setJvm(Jvm jvm)
{
this.jvm = jvm;
}
public Sys getSys()
{
return sys;
}
public void setSys(Sys sys)
{
this.sys = sys;
}
public List<SysFile> getSysFiles()
{
return sysFiles;
}
public void setSysFiles(List<SysFile> sysFiles)
{
this.sysFiles = sysFiles;
}
public void copyTo() throws Exception
{
SystemInfo si = new SystemInfo();
HardwareAbstractionLayer hal = si.getHardware();
setCpuInfo(hal.getProcessor());
setMemInfo(hal.getMemory());
setSysInfo();
setJvmInfo();
setSysFiles(si.getOperatingSystem());
}
/**
* 设置CPU信息
*/
private void setCpuInfo(CentralProcessor processor)
{
// CPU信息
long[] prevTicks = processor.getSystemCpuLoadTicks();
Util.sleep(OSHI_WAIT_SECOND);
long[] ticks = processor.getSystemCpuLoadTicks();
long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
long cSys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
long totalCpu = user + nice + cSys + idle + iowait + irq + softirq + steal;
cpu.setCpuNum(processor.getLogicalProcessorCount());
cpu.setTotal(totalCpu);
cpu.setSys(cSys);
cpu.setUsed(user);
cpu.setWait(iowait);
cpu.setFree(idle);
}
/**
* 设置内存信息
*/
private void setMemInfo(GlobalMemory memory)
{
mem.setTotal(memory.getTotal());
mem.setUsed(memory.getTotal() - memory.getAvailable());
mem.setFree(memory.getAvailable());
}
/**
* 设置服务器信息
*/
private void setSysInfo()
{
Properties props = System.getProperties();
sys.setComputerName(IpUtils.getHostName());
sys.setComputerIp(IpUtils.getHostIp());
sys.setOsName(props.getProperty("os.name"));
sys.setOsArch(props.getProperty("os.arch"));
sys.setUserDir(props.getProperty("user.dir"));
}
/**
* 设置Java虚拟机
*/
private void setJvmInfo() throws UnknownHostException
{
Properties props = System.getProperties();
jvm.setTotal(Runtime.getRuntime().totalMemory());
jvm.setMax(Runtime.getRuntime().maxMemory());
jvm.setFree(Runtime.getRuntime().freeMemory());
jvm.setVersion(props.getProperty("java.version"));
jvm.setHome(props.getProperty("java.home"));
}
/**
* 设置磁盘信息
*/
private void setSysFiles(OperatingSystem os)
{
FileSystem fileSystem = os.getFileSystem();
List<OSFileStore> fsArray = fileSystem.getFileStores();
for (OSFileStore fs : fsArray)
{
long free = fs.getUsableSpace();
long total = fs.getTotalSpace();
long used = total - free;
SysFile sysFile = new SysFile();
sysFile.setDirName(fs.getMount());
sysFile.setSysTypeName(fs.getType());
sysFile.setTypeName(fs.getName());
sysFile.setTotal(convertFileSize(total));
sysFile.setFree(convertFileSize(free));
sysFile.setUsed(convertFileSize(used));
sysFile.setUsage(Arith.mul(Arith.div(used, total, 4), 100));
sysFiles.add(sysFile);
}
}
/**
* 字节转换
*
* @param size 字节大小
* @return 转换后值
*/
public String convertFileSize(long size)
{
long kb = 1024;
long mb = kb * 1024;
long gb = mb * 1024;
if (size >= gb)
{
return String.format("%.1f GB", (float) size / gb);
}
else if (size >= mb)
{
float f = (float) size / mb;
return String.format(f > 100 ? "%.0f MB" : "%.1f MB", f);
}
else if (size >= kb)
{
float f = (float) size / kb;
return String.format(f > 100 ? "%.0f KB" : "%.1f KB", f);
}
else
{
return String.format("%d B", size);
}
}
}
5.控制层获取
package com.joolun.web.controller.monitor;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.joolun.common.core.domain.AjaxResult;
import com.joolun.framework.web.domain.Server;
/**
* 服务器监控
*
* @author ruoyi
*/
@RestController
@RequestMapping("/monitor/server")
public class ServerController
{
@PreAuthorize("@ss.hasPermi('monitor:server:list')")
@GetMapping()
public AjaxResult getInfo() throws Exception
{
Server server = new Server();
server.copyTo();
return AjaxResult.success(server);
}
}