基础版本完成

user-service/src/main/java/com/test/UserApplication.java

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+package com.test;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * ClassName: UserApplication
+ * Package: com.test
+ *
+ * @author yovinchen
+ * @Create 2023/8/14 16:26
+ */
+@SpringBootApplication
+public class UserApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(UserApplication.class, args);
+    }
+}

user-service/src/main/java/com/test/controller/UserController.java

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+package com.test.controller;
+
+import com.test.entity.User;
+import com.test.service.UserService;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+
+/**
+ * ClassName: UserController
+ * Package: com.test.controller
+ *
+ * @author yovinchen
+ * @Create 2023/8/14 17:08
+ */
+@RestController
+public class UserController {
+
+    @Resource
+    UserService service;
+
+    //这里以RESTFul风格为例
+    @RequestMapping("/user/{uid}")
+    public User findUserById(@PathVariable("uid") int uid) {
+        return service.getUserById(uid);
+    }
+}

user-service/src/main/java/com/test/mapper/UserMapper.java

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+package com.test.mapper;
+
+import com.test.entity.User;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+/**
+ * ClassName: UserMapper
+ * Package: com.test.mapper
+ *
+ * @author yovinchen
+ * @Create 2023/8/14 17:04
+ */
+@Mapper
+public interface UserMapper {
+    @Select("select * from DB_USER where uid = #{uid}")
+    User getUserById(int uid);
+}

user-service/src/main/java/com/test/service/UserService.java

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+package com.test.service;
+
+import com.test.entity.User;
+
+/**
+ * ClassName: UserService
+ * Package: com.test.service
+ *
+ * @author yovinchen
+ * @Create 2023/8/14 17:05
+ */
+public interface UserService {
+    User getUserById(int uid);
+}

user-service/src/main/java/com/test/service/impl/UserServiceImpl.java

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+package com.test.service.impl;
+
+import com.test.entity.User;
+import com.test.mapper.UserMapper;
+import com.test.service.UserService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+
+/**
+ * ClassName: UserServiceImpl
+ * Package: com.test.service.impl
+ *
+ * @author yovinchen
+ * @Create 2023/8/14 17:07
+ */
+@Service
+public class UserServiceImpl implements UserService {
+
+    @Resource
+    UserMapper mapper;
+
+    @Override
+    public User getUserById(int uid) {
+        return mapper.getUserById(uid);
+    }
+}

user-service/src/main/resources/application.yml

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+server:
+  port: 8101
+spring:
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://43.143.164.194:3306/mac
+    username: mac
+    password: mactest