Spring Boot移除内嵌Tomcat，使用非web方式启动

       <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <!--去除内嵌tomcat -->
                <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>compile</scope>
        </dependency>    

<packaging>jar</packaging>

spring:
    main:
      web-application-type: none

@SpringBootApplication
public class TestiopojApplication extends SpringBootServletInitializer {

    public static void main(String[] args) {
        System.out.println("项目开始启动，开始执行任务============");
        SpringApplication.run(TestiopojApplication.class, args);
        String file = "E:\\copyFile";//文件存放路径
        String fileName = "test测试";//生成的文件名
        String strContext = "测试成功=======";//文件内容
        try {
            FileUtils.writeStringToFile((new File(file + File.separator + fileName + ".txt")), strContext, "UTF-8");
            System.out.println("文件创建成功============");
        } catch (IOException e) {
            System.out.println("文件创建失败============");
        }
    }

}