first commit

.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.5.4</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <groupId>com.ai</groupId>
+    <artifactId>simple-springboot-project</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>simple-springboot-project</name>
+
+    <description>Demo project for Spring Boot</description>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.2.0</version>
+        </dependency>
+    </dependencies>
+
+
+</project>

src/main/java/com/ai/SimpleSpringbootProjectApplication.java

+package com.ai;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SimpleSpringbootProjectApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SimpleSpringbootProjectApplication.class, args);
+    }
+
+}

src/main/java/com/ai/controller/UserController.java

+package com.ai.controller;
+
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@CrossOrigin
+@RequestMapping("/user")
+public class UserController {
+
+
+
+}

src/main/java/com/ai/pojo/User.java

+package com.ai.pojo;
+
+import lombok.Data;
+
+@Data
+public class User {
+    private Long id;
+    private String name;
+    private Integer age;
+    private String email;
+}

src/main/java/com/ai/service/UserService.java

+package com.ai.service;
+
+import com.ai.pojo.User;
+
+import java.util.List;
+
+public interface UserService {
+    List<User> findAllUser();
+}

src/main/java/com/ai/service/impl/UserServiceImpl.java

+package com.ai.service.impl;
+
+import com.ai.pojo.User;
+import com.ai.service.UserService;
+
+import java.util.List;
+
+public class UserServiceImpl implements UserService {
+
+    @Override
+    public List<User> findAllUser() {
+
+        return null;
+    }
+}

src/main/resources/application.yml

+server:
+  port: 8081
\ No newline at end of file