Java执行.bat文件的四种高效方法

<!-- 标准 Java API，无需引入额外依赖 -->

public class BatExecutor {
    public static void main(String[] args) {
        try {
            Process process = Runtime.getRuntime().exec("cmd /c start cmd.exe /c your-script.bat");
            int exitCode = process.waitFor();
            System.out.println("Exit Code: " + exitCode);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

<!-- 标准 Java API，无需引入额外依赖 -->

import java.io.IOException;

public class BatWithProcessBuilder {
    public static void main(String[] args) {
        try {
            ProcessBuilder pb = new ProcessBuilder("cmd.exe", "/c", "your-script.bat");
            pb.redirectErrorStream(true); // 合并标准输出与错误输出
            Process process = pb.start();

            int exitCode = process.waitFor();
            System.out.println("Exit Code: " + exitCode);
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}

<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-exec</artifactId>
    <version>1.3</version>
</dependency>

import org.apache.commons.exec.*;

import java.io.IOException;

public class BatWithApacheExec {
    public static void main(String[] args) {
        CommandLine cmdLine = new CommandLine("cmd");
        cmdLine.addArgument("/c");
        cmdLine.addArgument("your-script.bat");

        DefaultExecutor executor = new DefaultExecutor();
        executor.setExitValue(0);

        PumpStreamHandler streamHandler = new PumpStreamHandler(System.out, System.err);
        executor.setStreamHandler(streamHandler);

        try {
            int exitCode = executor.execute(cmdLine);
            System.out.println("Exit Code: " + exitCode);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

<!-- 标准 Java API，无需引入额外依赖 -->

import java.io.IOException;

public class BatWithProcessHandle {
    public static void main(String[] args) {
        try {
            ProcessBuilder pb = new ProcessBuilder("cmd.exe", "/c", "your-script.bat");
            Process process = pb.start();

            ProcessHandle handle = process.toHandle();
            System.out.println("Process PID: " + handle.pid());

            boolean finished = handle.onExit().toCompletableFuture().isDone();
            if (finished) {
                System.out.println("Process exited.");
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}