Java优学网SpringBoot启动类教程：快速掌握项目启动与端口配置

@SpringBootApplication public class JavaLearnApplication {

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

}

@SpringBootApplication(

scanBasePackages = "com.javayouxue",
exclude = {DataSourceAutoConfiguration.class}

) public class JavaLearnApplication {

// 启动逻辑

}

server: port: 9090 tomcat:

max-threads: 200

spring: profiles:

active: dev

@SpringBootApplication public class JavaYouXueApplication {

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

}

netstat -ano | findstr :8080

server.port=8081

server.port=8080 spring.datasource.url=jdbc:mysql://localhost:3306/app