获取当前系统信息

package com.hncy.zfy.pojo;

import java.sql.Timestamp;

public class SystemInfor {
    //服务器信息展示
        //当前系统用户名
        private String systemName;
        //服务器名
        private String serverName;
        //服务器IP
        private String serverIP;
        //服务器端口
        private String serverPort;
        //服务器总内存
        private Object totalMemory;
        //服务器可用内存
        private Object freeMemory;
        //操作系统
        private String osName;
        //系统所在文件夹
        private String osDir;
        //服务器当前时间
        private Timestamp nowTime;
        //CUP总数
        private Object cpuTotal;
        //cpu类型
        private Object cpuType;
        
            
        public String getSystemName() {
            return systemName;
        }
        public void setSystemName(String systemName) {
            this.systemName = systemName;
        }
        public String getServerName() {
            return serverName;
        }
        public void setServerName(String serverName) {
            this.serverName = serverName;
        }
        public String getServerIP() {
            return serverIP;
        }
        public void setServerIP(String serverIP) {
            this.serverIP = serverIP;
        }
        public String getServerPort() {
            return serverPort;
        }
        public void setServerPort(String serverPort) {
            this.serverPort = serverPort;
        }
        public Object getTotalMemory() {
            return totalMemory;
        }
        public void setTotalMemory(Object totalMemory) {
            this.totalMemory = totalMemory;
        }
        public Object getFreeMemory() {
            return freeMemory;
        }
        public void setFreeMemory(Object freeMemory) {
            this.freeMemory = freeMemory;
        }
        public Timestamp getNowTime() {
            return nowTime;
        }
        public void setNowTime(Timestamp nowTime) {
            this.nowTime = nowTime;
        }
        public Object getCpuTotal() {
            return cpuTotal;
        }
        public void setCpuTotal(Object cpuTotal) {
            this.cpuTotal = cpuTotal;
        }
        public Object getCpuType() {
            return cpuType;
        }
        public void setCpuType(Object cpuType) {
            this.cpuType = cpuType;
        }
        public String getOsName() {
            return osName;
        }
        public void setOsName(String osName) {
            this.osName = osName;
        }
        public String getOsDir() {
            return osDir;
        }
        public void setOsDir(String osDir) {
            this.osDir = osDir;
        }
        
    
}

实体类

package com.hncy.common;

import java.net.InetAddress;
import java.sql.Timestamp;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import com.hncy.zfy.pojo.SystemInfor;

import org.hyperic.sigar.CpuInfo;
import org.hyperic.sigar.Mem;
import org.hyperic.sigar.Sigar;

public class OutSystemInfo {
    
    public static SystemInfor getSysTemInfo() throws Exception{
        Map<Object,Object> map = new HashMap<Object,Object>();
        SystemInfor sys = new SystemInfor();
        map = property();
        sys.setSystemName((String)map.get("userName"));
        sys.setServerName((String)map.get("serverName"));
        sys.setCpuTotal(map.get("cpuTotal"));
        sys.setServerIP((String)map.get("serverIP"));
        sys.setOsName((String)map.get("osName"));
        sys.setOsDir((String)map.get("osDir"));
        sys.setTotalMemory( map.get("totalMemory"));
        sys.setFreeMemory( map.get("freeMemory"));
        sys.setCpuType((String) map.get("cupType"));
        sys.setNowTime(new Timestamp(System.currentTimeMillis()) );
        
        return sys;
    }
    
    private static Map<Object,Object> property() throws Exception {
        Runtime r = Runtime.getRuntime();
        Properties props = System.getProperties();
        Sigar sigar = SigarUtils.sigar;
        InetAddress addr;
        addr = InetAddress.getLocalHost();
        String ip = addr.getHostAddress();
        Map<String, String> map = System.getenv();
        String userName = map.get("USERNAME");// 获取用户名
        String computerName = map.get("COMPUTERNAME");// 获取计算机名
        Map<Object,Object> systemMap = new HashMap<Object,Object>();
        systemMap.put("userName", userName);
        systemMap.put("serverName", computerName);
        systemMap.put("serverIP", ip);
        systemMap.put("cpuTotal", r.availableProcessors());
        systemMap.put("osName", props.getProperty("os.name"));
        systemMap.put("osDir", props.getProperty("user.dir"));
        /***************************************************/
        
        Mem mem = sigar.getMem();
        systemMap.put("totalMemory", mem.getTotal() / 1024);
        systemMap.put("freeMemory", mem.getFree() / 1024L);
        /*******************************/
        CpuInfo infos[] = sigar.getCpuInfoList();
        CpuInfo info = infos[0];
        systemMap.put("cupType", info.getModel());
        return systemMap;
    }
}

获取当系统信息，在期间我们需要sigar包，可以把其中的依赖文件加入到jdk的bin中，如果在项目中buildPath会报错，但是sigar.jar是需要的