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  • java当前进程获取pid

    public class PidUtil {
        public final static String OS_NAME = StringUtils.defaultString(System.getProperty("os.name"));
        public static void getCurrentPid() {
            if (!OS_NAME.startsWith("Windows")) return;
            // 获取pid
            String name = ManagementFactory.getRuntimeMXBean().getName();
            // get pid
            String pid = name.split("@")[0];
            System.out.println("Pid is:" + pid);
    
            String userDir = System.getProperty("user.dir");
            System.out.println(userDir);
            File file = new File(userDir+"\SidecarApplication.pid"); // 创建文件对象,可以再加个异常分析,是否已存在该文件
            // 写入
            try {
                FileWriter fw = new FileWriter(file);// 创建FileWriter类对象
                BufferedWriter bufw = new BufferedWriter(fw);
                bufw.write(pid);// 将字符串数组中的每个元素写入到磁盘文件中
                bufw.close();
                fw.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/hulian425/p/14522997.html
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