JAVA 执行系统命令
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; public class TestJavaCommand { /** * 执行命令 */ public static void executeCommand() { Runtime runtime = Runtime.getRuntime(); try { String[] command = {"java", "-version"}; Process process = runtime.exec(command); // 标准输入流(必须写在 waitFor 之前) String inStr = consumeInputStream(process.getInputStream()); // 标准错误流(必须写在 waitFor 之前) String errStr = consumeInputStream(process.getErrorStream()); //若有错误信息则输出 int proc = process.waitFor(); if (proc == 0) { } else { System.out.println("执行失败"); } } catch (IOException | InterruptedException e) { e.printStackTrace(); } } /** * @param is * @return * @throws IOException */ private static String consumeInputStream(InputStream is) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(is, "GBK")); String s; StringBuilder sb = new StringBuilder(); while ((s = br.readLine()) != null) { System.out.println(s); sb.append(s); } return sb.toString(); } }