java怎么调用bat脚本

要调用bat脚本，可以使用Java的ProcessBuilder类。下面是一个示例代码：

import java.io.IOException;


public class CallBatScript {

    public static void main(String[] args) {

        try {
    
            // 创建ProcessBuilder对象，传入要执行的命令或脚本
            ProcessBuilder pb = new ProcessBuilder("cmd", "/c", "path_to_bat_script.bat");
    
            // 启动进程
            Process process = pb.start();
    
            
            // 等待进程执行结束
            int exitCode = process.waitFor();
    
            
            // 打印进程输出和错误信息（可选）
            System.out.println("Exit Code: " + exitCode);
    
            System.out.println("Standard Output: " + readStream(process.getInputStream()));
    
            System.out.println("Error Output: " + readStream(process.getErrorStream()));

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

        }

    }

    
    // 读取InputStream并将其转换为字符串
    private static String readStream(java.io.InputStream is) throws IOException {
    
        StringBuilder sb = new StringBuilder();
    
        byte[] buf = new byte[1024];
    
        int length;

        while ((length = is.read(buf)) != -1) {
    
            sb.append(new String(buf, 0, length));

        }
    
        return sb.toString();

    }

}
    

请将上述代码中的path_to_bat_script.bat替换为你要调用的bat脚本的路径。

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