springboot打包jar运行

<packaging>jar</packaging>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <configuration>
                <mainClass>com.example.tioncico.TioncicoApplication</mainClass><!--自己项目的启动类-->
            </configuration>
        </plugin>
    </plugins>
</build>

package com.example.tioncico;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
//springboot 应用启动类的标识
@SpringBootApplication
//继承SpringBootServletInitializer 用于springboot内部启动tomcat,并且可自定义端口号,项目名
public class TioncicoApplication extends SpringBootServletInitializer {
    public static void main(String\[\] args) {
        SpringApplication.run(TioncicoApplication.class, args);
    }
    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(this.getClass());
    }
}

server.port=9090