本文實例講述了java獲取服務器基本信息的方法。分享給大家供大家參考。具體如下：
利用第三方的jar包：（Hyperic-hq官方網站：http://www.hyperic.com） 通過Hyperic-hq產品的基礎包sigar.jar來實現服務器狀態數據的獲取。Sigar.jar包是通過本地方法來調用操作系統API來獲取系統相關數據。Windows操作系統下Sigar.jar依賴sigar-amd64-winnt.dll或sigar-x86-winnt.dll，linux 操作系統下則依賴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資源信息 // a)CPU數量（單位：個） public static int getCpuCount() throws SigarException { Sigar sigar = new Sigar(); try { return sigar.getCpuInfoList().length; } finally { sigar.close(); } } // b)CPU的總量（單位：HZ）及CPU的相關信息 public void getCpuTotal() { Sigar sigar = new Sigar(); CpuInfo[] infos; try { infos = sigar.getCpuInfoList(); for (int i = 0; i < infos.length; i++) {// 不管是單塊CPU還是多CPU都適用 CpuInfo info = infos[i]; System.out.println("mhz=" + info.getMhz());// CPU的總量MHz System.out.println("vendor=" + info.getVendor());// 獲得CPU的賣主，如：Intel System.out.println("model=" + info.getModel());// 獲得CPU的類別，如：Celeron System.out.println("cache size=" + info.getCacheSize());// 緩沖存儲器數量 } } catch (SigarException e) { e.printStackTrace(); } } // c)CPU的用戶使用量、系統使用剩余量、總的剩余量、總的使用占用量等（單位：100%） public void testCpuPerc() { Sigar sigar = new Sigar(); // 方式一，主要是針對一塊CPU的情況 CpuPerc cpu; try { cpu = sigar.getCpuPerc(); printCpuPerc(cpu); } catch (SigarException e) { e.printStackTrace(); } // 方式二，不管是單塊CPU還是多CPU都適用 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()));// 用戶使用率 System.out.println("Sys :" + CpuPerc.format(cpu.getSys()));// 系統使用率 System.out.println("Wait :" + CpuPerc.format(cpu.getWait()));// 當前等待率 System.out.println("Nice :" + CpuPerc.format(cpu.getNice()));// System.out.println("Idle :" + CpuPerc.format(cpu.getIdle()));// 當前空閑率 System.out.println("Total :" + CpuPerc.format(cpu.getCombined()));// 總的使用率 } // 2.內存資源信息 public void getPhysicalMemory() { // a)物理內存信息 Sigar sigar = new Sigar(); Mem mem; try { mem = sigar.getMem(); // 內存總量 System.out.println("Total = " + mem.getTotal() / 1024L + "K av"); // 當前內存使用量 System.out.println("Used = " + mem.getUsed() / 1024L + "K used"); // 當前內存剩余量 System.out.println("Free = " + mem.getFree() / 1024L + "K free"); // b)系統頁面文件交換區信息 Swap swap = sigar.getSwap(); // 交換區總量 System.out.println("Total = " + swap.getTotal() / 1024L + "K av"); // 當前交換區使用量 System.out.println("Used = " + swap.getUsed() / 1024L + "K used"); // 當前交換區剩余量 System.out.println("Free = " + swap.getFree() / 1024L + "K free"); } catch (SigarException e) { e.printStackTrace(); } } // 3.操作系統信息 // a)取到當前操作系統的名稱： 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)取當前操作系統的信息 public void testGetOSInfo() { OperatingSystem OS = OperatingSystem.getInstance(); // 操作系統內核類型如： 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());// // 系統描述 System.out.println("OS.getDescription() = " + OS.getDescription()); System.out.println("OS.getMachine() = " + OS.getMachine());// // 操作系統類型 System.out.println("OS.getName() = " + OS.getName()); System.out.println("OS.getPatchLevel() = " + OS.getPatchLevel());// // 操作系統的賣主 System.out.println("OS.getVendor() = " + OS.getVendor()); // 賣主名稱 System.out .println("OS.getVendorCodeName() = " + OS.getVendorCodeName()); // 操作系統名稱 System.out.println("OS.getVendorName() = " + OS.getVendorName()); // 操作系統賣主類型 System.out.println("OS.getVendorVersion() = " + OS.getVendorVersion()); // 操作系統的版本號 System.out.println("OS.getVersion() = " + OS.getVersion()); } // c)取當前系統進程表中的用戶信息 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()); // 當前系統進程表中的用戶名 System.out.println("getUser() = " + _who.getUser()); } } } catch (SigarException e) { e.printStackTrace(); } } // 4.資源信息（主要是硬盤） // a)取硬盤已有的分區及其詳細信息（通過sigar.getFileSystemList()來獲得FileSystem列表對象，然后對其進行編歷）： public void testFileSystemInfo() throws Exception { Sigar sigar = new Sigar(); FileSystem fslist[] = sigar.getFileSystemList(); //String dir = System.getProperty("user.home");// 當前用戶文件夾路徑 for (int i = 0; i < fslist.length; i++) { System.out.println("/n~~~~~~~~~~" + i + "~~~~~~~~~~"); FileSystem fs = fslist[i]; // 分區的盤符名稱 System.out.println("fs.getDevName() = " + fs.getDevName()); // 分區的盤符名稱 System.out.println("fs.getDirName() = " + fs.getDirName()); System.out.println("fs.getFlags() = " + fs.getFlags());// // 文件系統類型，比如 FAT32、NTFS System.out.println("fs.getSysTypeName() = " + fs.getSysTypeName()); // 文件系統類型名，比如本地硬盤、光驅、網絡文件系統等 System.out.println("fs.getTypeName() = " + fs.getTypeName()); // 文件系統類型 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 : 本地硬盤 // 文件系統總大小 System.out.println(" Total = " + usage.getTotal() + "KB"); // 文件系統剩余大小 System.out.println(" Free = " + usage.getFree() + "KB"); // 文件系統可用大小 System.out.println(" Avail = " + usage.getAvail() + "KB"); // 文件系統已經使用量 System.out.println(" Used = " + usage.getUsed() + "KB"); double usePercent = usage.getUsePercent() * 100D; // 文件系統資源的利用率 System.out.println(" Usage = " + usePercent + "%"); break; case 3:// TYPE_NETWORK ：網絡 break; case 4:// TYPE_RAM_DISK ：閃存 break; case 5:// TYPE_CDROM ：光驅 break; case 6:// TYPE_SWAP ：頁面交換 break; } System.out.println(" DiskReads = " + usage.getDiskReads()); System.out.println(" DiskWrites = " + usage.getDiskWrites()); } return; } // 5.網絡信息 // a)當前機器的正式域名 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)取到當前機器的IP地址 public String getDefaultIpAddress() { String address = null; try { address = InetAddress.getLocalHost().getHostAddress(); // 沒有出現異常而正常當取到的IP時，如果取到的不是網卡循回地址時就返回 // 否則再通過Sigar工具包中的方法來獲取 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)取到當前機器的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; } /* * 如果存在多張網卡包括虛擬機的網卡，默認只取第一張網卡的MAC地址，如果要返回所有的網卡（包括物理的和虛擬的）則可以修改方法的返回類型為數組或Collection * ，通過在for循環里取到的多個MAC地址。 */ hwaddr = cfg.getHwaddr(); break; } return hwaddr != null hwaddr : null; } catch (Exception e) { return null; } finally { if (sigar != null) sigar.close(); } } // d)獲取網絡流量等信息 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);// 網絡設備名 print("Address = " + ifconfig.getAddress());// IP地址 print("Netmask = " + ifconfig.getNetmask());// 子網掩碼 if ((ifconfig.getFlags() & 1L) <= 0L) { print("!IFF_UP...skipping getNetInterfaceStat"); continue; } try { NetInterfaceStat ifstat = sigar.getNetInterfaceStat(name); print("RxPackets = " + ifstat.getRxPackets());// 接收的總包裹數 print("TxPackets = " + ifstat.getTxPackets());// 發送的總包裹數 print("RxBytes = " + ifstat.getRxBytes());// 接收到的總字節數 print("TxBytes = " + ifstat.getTxBytes());// 發送的總字節數 print("RxErrors = " + ifstat.getRxErrors());// 接收到的錯誤包數 print("TxErrors = " + ifstat.getTxErrors());// 發送數據包時的錯誤數 print("RxDropped = " + ifstat.getRxDropped());// 接收時丟棄的包數 print("TxDropped = " + ifstat.getTxDropped());// 發送時丟棄的包數 } 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());// 網關廣播地址 System.out.println("cfg.getHwaddr() = " + cfg.getHwaddr());// 網卡MAC地址 System.out.println("cfg.getNetmask() = " + cfg.getNetmask());// 子網掩碼 System.out.println("cfg.getDescription() = " + cfg.getDescription());// 網卡描述信息 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(); } }}希望本文所述對大家的java程序設計有所幫助。
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