SpringBoot去除内嵌tomcat的实现

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(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

package com.example.export;

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

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