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UseRuntime.java
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33 lines (31 loc) · 1.08 KB
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class UseRuntime {
public static void runScript(String scriptpath) {
try {
Process subProcess = Runtime.getRuntime().exec(scriptpath);
// ProcessHandle Java 9可用,打印PID
ProcessHandle pHandle = subProcess.toHandle();
System.out.println("SubProcess id is " + pHandle.pid());
// 新启一个子进程
InputStream inputStream = subProcess.getInputStream();
BufferedReader subInput = new BufferedReader(new InputStreamReader(inputStream));
// 子进程向主进程输出信息
String lineString = null;
while ((lineString = subInput.readLine()) != null) {
System.out.println(lineString);
}
subInput.close();
subProcess.waitFor();
// waitFor()函数是让当前主进程等待该子进程执行完毕，正常退出则返回0
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}