POWERCFG在Java程序中沒有錯誤沒有輸出,當我運行它不會顯示任何輸出POWERCFG在Java程序中沒有錯誤沒有輸出
import java.net.*;
import java.io.*;
public class ip{
public static void main(String args[]) throws IOException{
try{
String inputLine;
Runtime r=Runtime.getRuntime();
Process p=r.exec("cmd.exe /c powercfg/batteryreport");
BufferedReader in=new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((inputLine = in.readLine()) != null) {
System.out.println(inputLine);
//pingResult += inputLine;
}
}
catch(Exception e){
System.out.println(e);
}
}
}
是'inputLine'爲空。你檢查過了嗎? – 2014-10-30 09:51:11