SpringBoot-手动配置环境

1.创建Maven项目

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 2.在pom.xml中引入相关依赖

•  -父项目依赖

•   <!--配置SpringBoot的父项目--><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>3.5.2</version></parent>

•  -引入SpringWeb依赖

•  <!--spring-boot-starter-web SpringWeb依赖此处不指定版本号，它的版本号依赖父项目版本--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency>
  

3.在根包中创建SpringBoot项目的启动类

• package com.jiazhong;import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.context.annotation.ComponentScan;
  import org.springframework.context.annotation.Configuration;/*** SpringBootApplication:设置启动类注解* 该注解中包含三个注解*  @Configuration:配置类注解*  @ComponentScan:组件扫描器注解*      它自动扫描当前包及其子包中的所有类*  @EnableAutoConfiguration:启动SpringBoot自动配置注解**/
  @SpringBootApplication
  public class SpringBootConfig {public static void main(String[] args) {//启动SpringBoot环境SpringApplication.run(SpringBootConfig.class);}
  }
  

4.创建controller包创建测试类 

• package com.jiazhong.controller;import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;import java.util.ArrayList;
  import java.util.List;@RestController
  @RequestMapping("/test")
  public class TestController {@RequestMapping("/test1")public String test1(){return "test1.OK";}@RequestMapping("/test2")public List<String> test2(){List<String> strings=new ArrayList<>();strings.add("aaaa");strings.add("bbbb");strings.add("ffff");strings.add("wwww");return strings;}
  }
  

5.在 resources包下创建static类写HTML文件

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6.修改配置在resources包下创建application.yml文件

• server:# 配置tomcat的端口号port: 8080servlet:# 配置项目的访问路径context-path: /springboot001