黑马程序员_ｊａｖａ小程序可以关机重启

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import java.io.IOException;

public class shutDown {
 
 public static void shutDownAtTime(String time){
  Runtime run=Runtime.getRuntime();
  try {
   run.exec("at "+time+" Shutdown -s");
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void shutDownHaveTime(String time){
  Runtime run=Runtime.getRuntime();
  try {
   run.exec("Shutdown.exe -s -t "+time);
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void shutDownAtNow(){
  Runtime run=Runtime.getRuntime();
  try {
   run.exec("Shutdown.exe -s");
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void reboot(){
  Runtime run=Runtime.getRuntime();
  try {
   run.exec("Shutdown.exe -r");
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void shutDownHaveTimeWithMess(String time,String mes){
  Runtime run=Runtime.getRuntime();
  try {
   run.exec("shutdown -s -t "+time+" -c""+mes+""");
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void noShutDown(){
  Runtime run=Runtime.getRuntime();
  try {
   run.exec("shutdown -a");
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }