本文实例讲述了java获取服务器基本信息的方法。分享给大家供大家参考。具体如下：
利用第三方的jar包：（Hyperic-hq官方网站：http://www.hyperic.com） 通过Hyperic-hq产品的基础包sigar.jar来实现服务器状态数据的获取。Sigar.jar包是通过本地方法来调用操作系统API来获取系统相关数据。Windows操作系统下Sigar.jar依赖sigar-amd64-winnt.dll或sigar-x86-winnt.dll，linux 操作系统下则依赖libsigar-amd64-linux.so或libsigar-x86-linux.so
import java.net.InetAddress; import java.net.UnknownHostException; import org.hyperic.sigar.CpuInfo; import org.hyperic.sigar.CpuPerc; import org.hyperic.sigar.FileSystem; import org.hyperic.sigar.FileSystemUsage; import org.hyperic.sigar.Mem; import org.hyperic.sigar.NetFlags; import org.hyperic.sigar.NetInterfaceConfig; import org.hyperic.sigar.NetInterfaceStat; import org.hyperic.sigar.OperatingSystem; import org.hyperic.sigar.Sigar; import org.hyperic.sigar.SigarException; import org.hyperic.sigar.SigarNotImplementedException; import org.hyperic.sigar.Swap;public class SysInfo {// 1.CPU资源信息 // a)CPU数量（单位：个） public static int getCpuCount() throws SigarException { Sigar sigar = new Sigar(); try { return sigar.getCpuInfoList().length; } finally { sigar.close(); } } // b)CPU的总量（单位：HZ）及CPU的相关信息 public void getCpuTotal() { Sigar sigar = new Sigar(); CpuInfo[] infos; try { infos = sigar.getCpuInfoList(); for (int i = 0; i < infos.length; i++) {// 不管是单块CPU还是多CPU都适用 CpuInfo info = infos[i]; System.out.println("mhz=" + info.getMhz());// CPU的总量MHz System.out.println("vendor=" + info.getVendor());// 获得CPU的卖主，如：Intel System.out.println("model=" + info.getModel());// 获得CPU的类别，如：Celeron System.out.println("cache size=" + info.getCacheSize());// 缓冲存储器数量 } } catch (SigarException e) { e.printStackTrace(); } } // c)CPU的用户使用量、系统使用剩余量、总的剩余量、总的使用占用量等（单位：100%） public void testCpuPerc() { Sigar sigar = new Sigar(); // 方式一，主要是针对一块CPU的情况 CpuPerc cpu; try { cpu = sigar.getCpuPerc(); printCpuPerc(cpu); } catch (SigarException e) { e.printStackTrace(); } // 方式二，不管是单块CPU还是多CPU都适用 CpuPerc cpuList[] = null; try { cpuList = sigar.getCpuPercList(); } catch (SigarException e) { e.printStackTrace(); return; } for (int i = 0; i < cpuList.length; i++) { printCpuPerc(cpuList[i]); } } private void printCpuPerc(CpuPerc cpu) { System.out.println("User :" + CpuPerc.format(cpu.getUser()));// 用户使用率 System.out.println("Sys :" + CpuPerc.format(cpu.getSys()));// 系统使用率 System.out.println("Wait :" + CpuPerc.format(cpu.getWait()));// 当前等待率 System.out.println("Nice :" + CpuPerc.format(cpu.getNice()));// System.out.println("Idle :" + CpuPerc.format(cpu.getIdle()));// 当前空闲率 System.out.println("Total :" + CpuPerc.format(cpu.getCombined()));// 总的使用率 } // 2.内存资源信息 public void getPhysicalMemory() { // a)物理内存信息 Sigar sigar = new Sigar(); Mem mem; try { mem = sigar.getMem(); // 内存总量 System.out.println("Total = " + mem.getTotal() / 1024L + "K av"); // 当前内存使用量 System.out.println("Used = " + mem.getUsed() / 1024L + "K used"); // 当前内存剩余量 System.out.println("Free = " + mem.getFree() / 1024L + "K free"); // b)系统页面文件交换区信息 Swap swap = sigar.getSwap(); // 交换区总量 System.out.println("Total = " + swap.getTotal() / 1024L + "K av"); // 当前交换区使用量 System.out.println("Used = " + swap.getUsed() / 1024L + "K used"); // 当前交换区剩余量 System.out.println("Free = " + swap.getFree() / 1024L + "K free"); } catch (SigarException e) { e.printStackTrace(); } } // 3.操作系统信息 // a)取到当前操作系统的名称： public String getPlatformName() { String hostname = ""; try { hostname = InetAddress.getLocalHost().getHostName(); } catch (Exception exc) { Sigar sigar = new Sigar(); try { hostname = sigar.getNetInfo().getHostName(); } catch (SigarException e) { hostname = "localhost.unknown"; } finally { sigar.close(); } } return hostname; } // b)取当前操作系统的信息 public void testGetOSInfo() { OperatingSystem OS = OperatingSystem.getInstance(); // 操作系统内核类型如： 386、486、586等x86 System.out.println("OS.getArch() = " + OS.getArch()); System.out.println("OS.getCpuEndian() = " + OS.getCpuEndian());// System.out.println("OS.getDataModel() = " + OS.getDataModel());// // 系统描述 System.out.println("OS.getDescription() = " + OS.getDescription()); System.out.println("OS.getMachine() = " + OS.getMachine());// // 操作系统类型 System.out.println("OS.getName() = " + OS.getName()); System.out.println("OS.getPatchLevel() = " + OS.getPatchLevel());// // 操作系统的卖主 System.out.println("OS.getVendor() = " + OS.getVendor()); // 卖主名称 System.out .println("OS.getVendorCodeName() = " + OS.getVendorCodeName()); // 操作系统名称 System.out.println("OS.getVendorName() = " + OS.getVendorName()); // 操作系统卖主类型 System.out.println("OS.getVendorVersion() = " + OS.getVendorVersion()); // 操作系统的版本号 System.out.println("OS.getVersion() = " + OS.getVersion()); } // c)取当前系统进程表中的用户信息 public void testWho() { try { Sigar sigar = new Sigar(); org.hyperic.sigar.Who[] who = sigar.getWhoList(); if (who != null && who.length > 0) { for (int i = 0; i < who.length; i++) { System.out.println("/n~~~~~~~~~" + String.valueOf(i)+ "~~~~~~~~~"); org.hyperic.sigar.Who _who = who[i]; System.out.println("getDevice() = " + _who.getDevice()); System.out.println("getHost() = " + _who.getHost()); System.out.println("getTime() = " + _who.getTime()); // 当前系统进程表中的用户名 System.out.println("getUser() = " + _who.getUser()); } } } catch (SigarException e) { e.printStackTrace(); } } // 4.资源信息（主要是硬盘） // a)取硬盘已有的分区及其详细信息（通过sigar.getFileSystemList()来获得FileSystem列表对象，然后对其进行编历）： public void testFileSystemInfo() throws Exception { Sigar sigar = new Sigar(); FileSystem fslist[] = sigar.getFileSystemList(); //String dir = System.getProperty("user.home");// 当前用户文件夹路径 for (int i = 0; i < fslist.length; i++) { System.out.println("/n~~~~~~~~~~" + i + "~~~~~~~~~~"); FileSystem fs = fslist[i]; // 分区的盘符名称 System.out.println("fs.getDevName() = " + fs.getDevName()); // 分区的盘符名称 System.out.println("fs.getDirName() = " + fs.getDirName()); System.out.println("fs.getFlags() = " + fs.getFlags());// // 文件系统类型，比如 FAT32、NTFS System.out.println("fs.getSysTypeName() = " + fs.getSysTypeName()); // 文件系统类型名，比如本地硬盘、光驱、网络文件系统等 System.out.println("fs.getTypeName() = " + fs.getTypeName()); // 文件系统类型 System.out.println("fs.getType() = " + fs.getType()); FileSystemUsage usage = null; try { usage = sigar.getFileSystemUsage(fs.getDirName()); } catch (SigarException e) { if (fs.getType() == 2) throw e; continue; } switch (fs.getType()) { case 0: // TYPE_UNKNOWN ：未知 break; case 1: // TYPE_NONE break; case 2: // TYPE_LOCAL_DISK : 本地硬盘 // 文件系统总大小 System.out.println(" Total = " + usage.getTotal() + "KB"); // 文件系统剩余大小 System.out.println(" Free = " + usage.getFree() + "KB"); // 文件系统可用大小 System.out.println(" Avail = " + usage.getAvail() + "KB"); // 文件系统已经使用量 System.out.println(" Used = " + usage.getUsed() + "KB"); double usePercent = usage.getUsePercent() * 100D; // 文件系统资源的利用率 System.out.println(" Usage = " + usePercent + "%"); break; case 3:// TYPE_NETWORK ：网络 break; case 4:// TYPE_RAM_DISK ：闪存 break; case 5:// TYPE_CDROM ：光驱 break; case 6:// TYPE_SWAP ：页面交换 break; } System.out.println(" DiskReads = " + usage.getDiskReads()); System.out.println(" DiskWrites = " + usage.getDiskWrites()); } return; } // 5.网络信息 // a)当前机器的正式域名 public String getFQDN() { Sigar sigar = null; try { return InetAddress.getLocalHost().getCanonicalHostName(); } catch (UnknownHostException e) { try { sigar = new Sigar(); return sigar.getFQDN(); } catch (SigarException ex) { return null; } finally { sigar.close(); } } } // b)取到当前机器的IP地址 public String getDefaultIpAddress() { String address = null; try { address = InetAddress.getLocalHost().getHostAddress(); // 没有出现异常而正常当取到的IP时，如果取到的不是网卡循回地址时就返回 // 否则再通过Sigar工具包中的方法来获取 if (!NetFlags.LOOPBACK_ADDRESS.equals(address)) { return address; } } catch (UnknownHostException e) { // hostname not in DNS or /etc/hosts } Sigar sigar = new Sigar(); try { address = sigar.getNetInterfaceConfig().getAddress(); } catch (SigarException e) { address = NetFlags.LOOPBACK_ADDRESS; } finally { sigar.close(); } return address; } // c)取到当前机器的MAC地址 public String getMAC() { Sigar sigar = null; try { sigar = new Sigar(); String[] ifaces = sigar.getNetInterfaceList(); String hwaddr = null; for (int i = 0; i < ifaces.length; i++) { NetInterfaceConfig cfg = sigar.getNetInterfaceConfig(ifaces[i]); if (NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress()) || (cfg.getFlags() & NetFlags.IFF_LOOPBACK) != 0 || NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())) { continue; } /* * 如果存在多张网卡包括虚拟机的网卡，默认只取第一张网卡的MAC地址，如果要返回所有的网卡（包括物理的和虚拟的）则可以修改方法的返回类型为数组或Collection * ，通过在for循环里取到的多个MAC地址。 */ hwaddr = cfg.getHwaddr(); break; } return hwaddr != null hwaddr : null; } catch (Exception e) { return null; } finally { if (sigar != null) sigar.close(); } } // d)获取网络流量等信息 public void testNetIfList() throws Exception { Sigar sigar = new Sigar(); String ifNames[] = sigar.getNetInterfaceList(); for (int i = 0; i < ifNames.length; i++) { String name = ifNames[i]; NetInterfaceConfig ifconfig = sigar.getNetInterfaceConfig(name); print("/nname = " + name);// 网络设备名 print("Address = " + ifconfig.getAddress());// IP地址 print("Netmask = " + ifconfig.getNetmask());// 子网掩码 if ((ifconfig.getFlags() & 1L) <= 0L) { print("!IFF_UP...skipping getNetInterfaceStat"); continue; } try { NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name); print("RxPackets = " + ifstat.getRxPackets());// 接收的总包裹数 print("TxPackets = " + ifstat.getTxPackets());// 发送的总包裹数 print("RxBytes = " + ifstat.getRxBytes());// 接收到的总字节数 print("TxBytes = " + ifstat.getTxBytes());// 发送的总字节数 print("RxErrors = " + ifstat.getRxErrors());// 接收到的错误包数 print("TxErrors = " + ifstat.getTxErrors());// 发送数据包时的错误数 print("RxDropped = " + ifstat.getRxDropped());// 接收时丢弃的包数 print("TxDropped = " + ifstat.getTxDropped());// 发送时丢弃的包数 } catch (SigarNotImplementedException e) { } catch (SigarException e) { print(e.getMessage()); } } } void print(String msg) { System.out.println(msg); } // e)一些其他的信息 public void getEthernetInfo() { Sigar sigar = null; try { sigar = new Sigar(); String[] ifaces = sigar.getNetInterfaceList(); for (int i = 0; i < ifaces.length; i++) { NetInterfaceConfig cfg = sigar.getNetInterfaceConfig(ifaces[i]); if (NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress()) || (cfg.getFlags() & NetFlags.IFF_LOOPBACK) != 0 || NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())) { continue; } System.out.println("cfg.getAddress() = " + cfg.getAddress());// IP地址 System.out .println("cfg.getBroadcast() = " + cfg.getBroadcast());// 网关广播地址 System.out.println("cfg.getHwaddr() = " + cfg.getHwaddr());// 网卡MAC地址 System.out.println("cfg.getNetmask() = " + cfg.getNetmask());// 子网掩码 System.out.println("cfg.getDescription() = " + cfg.getDescription());// 网卡描述信息 System.out.println("cfg.getType() = " + cfg.getType());// System.out.println("cfg.getDestination() = " + cfg.getDestination()); System.out.println("cfg.getFlags() = " + cfg.getFlags());// System.out.println("cfg.getMetric() = " + cfg.getMetric()); System.out.println("cfg.getMtu() = " + cfg.getMtu()); System.out.println("cfg.getName() = " + cfg.getName()); System.out.println(); } } catch (Exception e) { System.out.println("Error while creating GUID" + e); } finally { if (sigar != null) sigar.close(); } }}希望本文所述对大家的java程序设计有所帮助。