/**
  * 獲取CPU序列號
  *
  * @return CPU序列號(16位)
  * 讀取失敗為"0000000000000000"
  */
  public static String getCPUSerial() {
String str = "", strCPU = "", cpuAddress = "0000000000000000";
try {
	//讀取CPU資訊
	Process pp = Runtime.getRuntime().exec("cat /proc/cpuinfo");
	InputStreamReader ir = new InputStreamReader(pp.getInputStream());
	LineNumberReader input = new LineNumberReader(ir);
	//查詢CPU序列號
	for (int i = 1; i < 100; i++) {
		str = input.readLine();
		if (str != null) {
			//查詢到序列號所在行
			if (str.indexOf("Serial") > -1) {
				//提取序列號
				strCPU = str.substring(str.indexOf(":") + 1,
				str.length());
				//去空格
				cpuAddress = strCPU.trim();
				break;
			}
		}else{
			//檔案結尾
			break;
		}
	}
} catch (IOException ex) {
	//賦予預設值
	ex.printStackTrace();
}
return cpuAddress;
  }