SpringBoot项目去除内嵌tomcat

SpringBoot内嵌tomcat，直接run Application即可，那么我们如何去除内嵌的tomcat，使用自己的呢？
一、pom.xml(去除内嵌tomcat后，需要添加servlet依赖)

 <dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-web</artifactId>
  <!-- 去除内嵌tomcat -->
  <exclusions>
    <exclusion>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-tomcat</artifactId>
    </exclusion>
  </exclusions>
</dependency>
<!--添加servlet的依赖-->
<dependency>
  <groupId>javax.servlet</groupId>
  <artifactId>javax.servlet-api</artifactId>
  <version>3.1.0</version>
  <scope>provided</scope>
</dependency>
 
  <plugin>
    <artifactId>maven-war-plugin</artifactId>
    <version>3.0.0</version>
  </plugin>

打包方式设置成war

 <packaging>war</packaging>

二、继承SpringBootServletInitializer重写configure方法

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 ExportApplication extends SpringBootServletInitializer {
	public static void main(String[] args) {
		SpringApplication.run(ExportApplication.class, args);
	}
 
	@Override
	protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
		return builder.sources(this.getClass());
	}
 
}

三、添加到tomcat容器、run 即可