java能获取电脑的品牌吗 java怎么获取电脑的唯一标识？
Java\u5982\u4f55\u53d6\u5f97\u8ba1\u7b97\u673a\u786c\u4ef6\u4fe1\u606f\u4e48\u53ef\u4ee5\u7684
IMonitorService\u63a5\u53e3\uff1a public interface IMonitorService { public MonitorInfoBean getMonitorInfoBean() throws Exception; } MonitorInfoBean\u7c7b\uff1a /*\u91c7\u96c6\u7cfb\u7edf\u5b58\u53d6\u6570\u636eJavaBean*/ public class MonitorInfoBean implements Comparable { /** \u64cd\u4f5c\u7cfb\u7edf. */ private String osName; /** \u603b\u7684\u7269\u7406\u5185\u5b58. */ private float totalMemorySize; /** \u5df2\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58. */ private float usedMemory; /** cpu\u4f7f\u7528\u7387. */ private double cpuRatio; /** \u4e3b\u673aIP\u5730\u5740 */ private String mIpAddress; /** \u6570\u636e\u5b58\u50a8\u65f6\u95f4 */ private String dDateTime; /**\u5185\u5b58\u4f7f\u7528\u7387*/ private float memoryRatio; /**linux\u4e0bBuffers\u5185\u5b58*/ private float buffersMemory; /**linux\u4e0bCached\u5185\u5b58*/ private float cachedMemory; public float getBuffersMemory() { return buffersMemory; } public float getCachedMemory() { return cachedMemory; } public String getDDateTime() { return dDateTime; } public void setDDateTime(String dateTime) { dDateTime = dateTime; } public String getMIpAddress() { return mIpAddress; } public void setMIpAddress(String ipAddress) { mIpAddress = ipAddress; } public String getOsName() { return osName; } public void setOsName(String osName) { this.osName = osName; } public float getTotalMemorySize() { return totalMemorySize; } public void setTotalMemorySize(float totalMemorySize) { this.totalMemorySize = totalMemorySize; } public float getUsedMemory() { return usedMemory; } public void setUsedMemory(long usedMemory) { this.usedMemory = usedMemory; } public double getCpuRatio() { return cpuRatio; } public void setCpuRatio(double cpuRatio) { this.cpuRatio = cpuRatio; } public int compareTo(MonitorInfoBean m) { String stra = this.getDDateTime(); String strb = m.getDDateTime(); Timestamp a = Timestamp.valueOf(stra); Timestamp b = Timestamp.valueOf(strb); if (a.before(b)) { return -1; } else if (a.after(b)) { return 1; } else { return 0; } } public float getMemoryRatio() { return memoryRatio; } public void setMemoryRatio(float memoryRatio) { this.memoryRatio = memoryRatio; } public void setUsedMemory(float usedMemory) { this.usedMemory = usedMemory; } public void setBuffersMemory(float buffersMemory) { this.buffersMemory = buffersMemory; } public void setCachedMemory(float cachedMemory) { this.cachedMemory = cachedMemory; } } import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.LineNumberReader; import java.net.Inet6Address; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.net.UnknownHostException; import java.util.Enumeration; import java.util.StringTokenizer; import sun.management.ManagementFactory; import com.sun.management.OperatingSystemMXBean;
UUID uuid=UUID.randomUUID();
System.out.println(uuid.toString());
UUID\u542b\u4e49\u662f\u901a\u7528\u552f\u4e00\u8bc6\u522b\u7801 (Universally Unique Identifier)\uff0c\u8fd9 \u662f\u4e00\u4e2a\u8f6f\u4ef6\u5efa\u6784\u7684\u6807\u51c6\uff0c\u4e5f\u662f\u88ab\u5f00\u6e90\u8f6f\u4ef6\u57fa\u91d1\u4f1a (Open Software Foundation, OSF) \u7684\u7ec4\u7ec7\u5e94\u7528\u5728\u5206\u5e03\u5f0f\u8ba1\u7b97\u73af\u5883 (Distributed Computing Environment, DCE) \u9886\u57df\u7684\u4e00\u90e8\u5206\u3002
先定义一个结构SYSTEMINFO sysinfo(MSDN里有，在调用WIN API GetSystemInfo()；根据返回值，可获得系统全部信息！
一个程序示例：IMonitorService接口： public interface IMonitorService { public MonitorInfoBean getMonitorInfoBean() throws Exception; } MonitorInfoBean类： /*采集系统存取数据JavaBean*/ public class MonitorInfoBean implements Comparable<MonitorInfoBean> { /** 操作系统. */ private String osName; /** 总的物理内存. */ private float totalMemorySize; /** 已使用的物理内存. */ private float usedMemory; /** cpu使用率. */ private double cpuRatio; /** 主机IP地址 */ private String mIpAddress; /** 数据存储时间 */ private String dDateTime; /**内存使用率*/ private float memoryRatio; /**linux下Buffers内存*/ private float buffersMemory; /**linux下Cached内存*/ private float cachedMemory; public float getBuffersMemory() { return buffersMemory; } public float getCachedMemory() { return cachedMemory; } public String getDDateTime() { return dDateTime; } public void setDDateTime(String dateTime) { dDateTime = dateTime; } public String getMIpAddress() { return mIpAddress; } public void setMIpAddress(String ipAddress) { mIpAddress = ipAddress; } public String getOsName() { return osName; } public void setOsName(String osName) { this.osName = osName; } public float getTotalMemorySize() { return totalMemorySize; } public void setTotalMemorySize(float totalMemorySize) { this.totalMemorySize = totalMemorySize; } public float getUsedMemory() { return usedMemory; } public void setUsedMemory(long usedMemory) { this.usedMemory = usedMemory; } public double getCpuRatio() { return cpuRatio; } public void setCpuRatio(double cpuRatio) { this.cpuRatio = cpuRatio; } public int compareTo(MonitorInfoBean m) { String stra = this.getDDateTime(); String strb = m.getDDateTime(); Timestamp a = Timestamp.valueOf(stra); Timestamp b = Timestamp.valueOf(strb); if (a.before(b)) { return -1; } else if (a.after(b)) { return 1; } else { return 0; } } public float getMemoryRatio() { return memoryRatio; } public void setMemoryRatio(float memoryRatio) { this.memoryRatio = memoryRatio; } public void setUsedMemory(float usedMemory) { this.usedMemory = usedMemory; } public void setBuffersMemory(float buffersMemory) { this.buffersMemory = buffersMemory; } public void setCachedMemory(float cachedMemory) { this.cachedMemory = cachedMemory; } } import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.LineNumberReader; import java.net.Inet6Address; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.net.UnknownHostException; import java.util.Enumeration; import java.util.StringTokenizer; import sun.management.ManagementFactory; import com.sun.management.OperatingSystemMXBean;
package com.axatp.online.test;
import java.net.InetAddress;
import java.util.Properties;
public class Test {
public static void main(String[] args) {
try{
InetAddress addr = InetAddress.getLocalHost();
String ip=addr.getHostAddress().toString(); //获取本机ip
String hostName=addr.getHostName().toString(); //获取本机计算机名称
System.out.println("本机IP："+ip+"\n本机名称:"+hostName);
Properties props=System.getProperties();
System.out.println("操作系统的名称："+props.getProperty("os.name"));
System.out.println("操作系统的版本："+props.getProperty("os.version"));
System.out.println("操作系统的位数："+props.getProperty("os.arch"));
}catch(Exception e){
e.printStackTrace();
}
}
}
以上能获取的信息。
可以的。通过io流读取电脑信息
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