配置springboot项目使用外部tomcat

在pom文件中添加依赖

<!--使用自带的tomcat-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-tomcat</artifactId>
    <scope>provided</scope>
</dependency>

在Springboot自带的Application启动类所在目录下新建启动类SpringBootStartApplication

package com.huang;

import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;

//让该类继承springboot的SpringBootServletInitializer
public class SpringBootStartApplication extends SpringBootServletInitializer {

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application){
        //找到原先的启动类
        return application.sources(WebchatApplication.class);
    }
}

#目录如下
src
 |-main
 	|-java
 		|-WebchatApplication.class #原本的启动类
 		|-SpringBootStartApplication.class #新的启动类
 	|-resources

（编辑：李大同）

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