SpringBoot项目部署到tomcat

<packaging>war</packaging>

<dependency>
　　<groupId>org.springframework.boot</groupId>
　　<artifactId>spring-boot-starter-tomcat</artifactId>
　　<scope>provided</scope>
</dependency>

server.servlet.context-path=/demo

@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
　　return builder.sources(App.class);
}

package com.st;

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;

@SpringBootApplication
public class App extends SpringBootServletInitializer{

    public static void main(String[] args) throws Exception {
        SpringApplication.run(App.class, args);
    }
    
    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(App.class);
    }

}

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Archetype Created Web Application</display-name>
</web-app>