我想在文本字段(GUI面板)中显示主板序列号.我创建了一个文本字段和操作按钮.我在动作按钮中写了这段代码.我在这段代码中犯了什么错误?
try {
Process p = Runtime.getRuntime().exec("wmic baseboard get serialnumber");
BufferedReader inn = new BufferedReader(new InputStreamReader(p.getInputStream()));
while (true) {
String line = inn.readLine();
if (line == null) {
break;
}
motherboard.setText(line);
}
} catch (Exception e) {
JOptionPane.showMessageDialog(this, "Sorry could not found motherboard serial!");
}
最佳答案
try
{
String result = null;
Process p = Runtime.getRuntime().exec("wmic baseboard get serialnumber");
BufferedReader input
= new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
while ((line = input.readLine()) != null)
{
result += line;
}
if (result.equalsIgnoreCase(" ")) {
System.out.println("Result is empty");
} else
{
motherboard.setText(result);
}
input.close();
} catch (IOException ex)
{
Exceptions.printStackTrace(ex);
}