一个获取cpu序列号的方法

public static String getCPUSerial() {
		String result = "";
		try {
			File file = File.createTempFile("tmp", ".vbs");
			file.deleteOnExit();
			FileWriter fw = new java.io.FileWriter(file);

			String vbs = "Set objWMIService = GetObject(\"winmgmts:\\\\. \\root\\cimv2\")\r\n"
					+ "Set colItems = objWMIService.ExecQuery(\"Select * from Win32_Processor\")  \r\n "
					+ "For Each objItem in colItems\r\n "
					+ "    Wscript.Echo objItem.ProcessorId  \r\n "
					+ "    exit for  \r\n" + "Next";
			fw.write(vbs);
			fw.close();
			Process p = Runtime.getRuntime().exec(
					"cscript //NoLogo " + file.getPath());
			BufferedReader input = new BufferedReader(new InputStreamReader(p
					.getInputStream()));
			String line;
			while ((line = input.readLine()) != null) {
				result += line;
			}
			input.close();
			file.delete();
		} catch (Exception e) {
			e.fillInStackTrace();
		}
		if (result.trim().length() < 1 || result == null) {
			result = "无CPU_ID被读取";
		}
		return result.trim();
	}