springboot项目启动后，自动打开默认浏览器

版权声明：本文为博主原创文章，转载请注明出处。 https://blog.csdn.net/superlover_/article/details/88418934

1、手动给spring加入监听任务

1、先写1个线程类，在springboot启动加载完，自动执行的操作放在里面

@Component
public class StepExecutor implements Runnable {
    @Override
    public void run() {
        startStreamTask();
 
    }
    /**
     * 项目启动后打开1个页面
     */
    public void startStreamTask() {
        try {
            Runtime.getRuntime().exec("cmd   /c   start   http://localhost:8080/index");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

2、写1个监听器，监听项目加载完后执行指定操作

public class ApplicationStartup implements ApplicationListener<ContextRefreshedEvent> {
    @Override
    public void onApplicationEvent(ContextRefreshedEvent event) {
        ApplicationContext ac = event.getApplicationContext();
        StepExecutor StepExecutor = ac.getBean(StepExecutor .class);
        Thread thread = new Thread(StepExecutor);
        thread.start();
    }
}

3、给springboot的启动类添加监听任务

@SpringBootApplication
public class SpeechApplication {
 
    public static void main(String[] args) {
        SpringApplication springApplication = new SpringApplication(SpeechApplication .class);
        springApplication.addListeners(new ApplicationStartup());
        springApplication.run(args);
    }
}

2、spring容器加载完自动监听

1、实现springboot默认的监听接口，该方法在spring容器加载完自动监听

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;


/**
 * 配置自动启动浏览器
 */

@Component
public class MyCommandRunner implements CommandLineRunner {

    @Value("${server.port}")
    private String port;

    @Override
    public void run(String... args) {
        try {
            Runtime.getRuntime().exec("cmd   /c   start   http://localhost:" + port + "/index");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

2、正常启动

@EnableWebMvc
@SpringBootApplication
public class PhotoShowApplication {

    public static void main(String[] args) {
        SpringApplication.run(PhotoShowApplication.class, args);
    }
}

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