springboot配置内置tomcat

Springboot使用内置tomcat作为默认的web容器，无需额外安装Tomcat，只需在服务部署时直接启动jar包即可。这是因为在spring-boot-starter-web中，默认导入的是tomcat，所以启动时使用的web容器就是tomcat。如果你想配置使用其他的web容器，比如Undertow，可以按照以下步骤进行操作：
1. 修改pom.xml文件，排除默认引入的spring-boot-starter-tomcat依赖，并添加Undertow依赖：

<dependencies>
    <!-- 导入web场景启动器 -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <!-- 排除tomcat starter -->
        <exclusions>
            <exclusion>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-tomcat</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <!-- 引入undertow -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-undertow</artifactId>
    </dependency>
</dependencies>

通过这样的配置，你就可以使用Undertow作为springboot的内置web容器了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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