读取硬件信息代码java java获取硬盘id
java 代码如何获取用户的硬件信息，就是判断用户是否用同一个手机或者同一台电脑或者同一个ipad访问了
不可以，这属于用户隐私信息，再说如果可以的话，那我们的电脑你不觉得很危险吗？随便一个网页都可以看到你的硬件信息，很危险的。我原来遇到过用户想这样搞，最后跟用户谈，不能实现，修改成cookie验证了,像韩家_四少发的代码，只可以在特定环境下使用，还需要考虑网络状态，而且nbtstat -a是windows 下面的命令，根本不可行。
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Java如何取得计算机硬件信息么
可以的
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 ComparableMonitorInfoBean {
/** 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;
java如何读取硬件信息 高手进
public class Main {
public static void main(String[] args) {
/* Total number of processors or cores available to the JVM */
System.out.println("Available processors (cores): " +
Runtime.getRuntime().availableProcessors());
/* Total amount of free memory available to the JVM */
System.out.println("Free memory (bytes): " +
Runtime.getRuntime().freeMemory());
/* This will return Long.MAX_VALUE if there is no preset limit */
long maxMemory = Runtime.getRuntime().maxMemory();
/* Maximum amount of memory the JVM will attempt to use */
System.out.println("Maximum memory (bytes): " +
(maxMemory == Long.MAX_VALUE ? "no limit" : maxMemory));
/* Total memory currently available to the JVM */
System.out.println("Total memory available to JVM (bytes): " +
Runtime.getRuntime().totalMemory());
/* Get a list of all filesystem roots on this system */
File[] roots = File.listRoots();
/* For each filesystem root, print some info */
for (File root : roots) {
System.out.println("File system root: " + root.getAbsolutePath());
System.out.println("Total space (bytes): " + root.getTotalSpace());
System.out.println("Free space (bytes): " + root.getFreeSpace());
System.out.println("Usable space (bytes): " + root.getUsableSpace());
}
}}
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