后端微服务框架初步完成（还没跑起来）

backend/microservice-provider-user-8001/src/main/java/com/cxyxiaomo/epp/UserProvider.java

@@ -0,0 +1,13 @@
+package com.cxyxiaomo.epp;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+// 启动类
+
+@SpringBootApplication
+public class UserProvider {
+    public static void main(String[] args) {
+        SpringApplication.run(UserProvider.class, args);
+    }
+}

backend/microservice-provider-user-8001/src/main/java/com/cxyxiaomo/epp/controller/UserController.java

@@ -0,0 +1,32 @@
+package com.cxyxiaomo.epp.controller;
+
+import com.cxyxiaomo.epp.pojo.User;
+import com.cxyxiaomo.epp.service.UserServiceImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+// 提供 restful 服务
+
+@RestController
+public class UserController {
+
+    @Autowired
+    private UserServiceImpl userService;
+
+    @PostMapping("/user/add")
+    public boolean addUser(User user) {
+        return userService.addUser(user);
+    }
+
+    @GetMapping("/user/get/{id}")
+    public User getUserById(@PathVariable("id") Long id) {
+        return userService.getUserById(id);
+    }
+
+    @GetMapping("/user/list")
+    public List<User> addUser() {
+        return userService.getUserList();
+    }
+}

backend/microservice-provider-user-8001/src/main/java/com/cxyxiaomo/epp/dao/UserDao.java

@@ -0,0 +1,18 @@
+package com.cxyxiaomo.epp.dao;
+
+import com.cxyxiaomo.epp.pojo.User;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Mapper
+@Repository
+public interface UserDao {
+
+    public boolean addUser(User user);
+
+    public User getUserById(Long id);
+
+    public List<User> getUserList();
+}

backend/microservice-provider-user-8001/src/main/java/com/cxyxiaomo/epp/service/UserService.java

@@ -0,0 +1,14 @@
+package com.cxyxiaomo.epp.service;
+
+import com.cxyxiaomo.epp.pojo.User;
+
+import java.util.List;
+
+public interface UserService {
+
+    public boolean addUser(User user);
+
+    public User getUserById(Long id);
+
+    public List<User> getUserList();
+}

backend/microservice-provider-user-8001/src/main/java/com/cxyxiaomo/epp/service/UserServiceImpl.java

@@ -0,0 +1,30 @@
+package com.cxyxiaomo.epp.service;
+
+import com.cxyxiaomo.epp.dao.UserDao;
+import com.cxyxiaomo.epp.pojo.User;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class UserServiceImpl implements UserService {
+
+    @Autowired
+    private UserDao userDao;
+
+    @Override
+    public boolean addUser(User user) {
+        return userDao.addUser(user);
+    }
+
+    @Override
+    public User getUserById(Long id) {
+        return userDao.getUserById(id);
+    }
+
+    @Override
+    public List<User> getUserList() {
+        return userDao.getUserList();
+    }
+}

backend/microservice-provider-user-8001/src/main/resources/application.yml

@@ -0,0 +1,21 @@
+server:
+  port: 8001
+
+# Mybatis 配置
+mybatis:
+  type-aliases-package: com.cxyxiaomo.epp.pojo
+  config-location: classpath:mybatis/mybatis-config.xml
+  mapper-locations: classpath:mybatis/mapper/*.xml
+  configuration:
+    map-underscore-to-camel-case: on
+
+# Spring 配置
+spring:
+  application:
+    name: microservice-provider-user
+  datasource:
+    type: com.alibaba.druid.pool.DruidDataSource
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://127.0.0.1:3306/epp?useUnicode=true&characterEncoding=utf8&useSSL=false
+    username: root
+    password: root

backend/microservice-provider-user-8001/src/main/resources/mybatis/mapper/UserMapper.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.cxyxiaomo.epp.dao.UserDao">
+
+    <insert id="addUser" parameterType="com.cxyxiaomo.epp.pojo.User">
+        INSERT INTO user (username, password)
+        VALUES (#{username}, #{password})
+    </insert>
+
+    <select id="getUserById" parameterType="java.lang.Long" resultType="com.cxyxiaomo.epp.pojo.User">
+        SELECT * FROM user
+        WHERE id = #{id}
+    </select>
+
+    <select id="getUserList" resultType="com.cxyxiaomo.epp.pojo.User">
+        SELECT * FROM user
+    </select>
+</mapper>

backend/microservice-provider-user-8001/src/main/resources/mybatis/mybatis-config.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE configuration
+        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-config.dtd">
+<configuration>
+    <settings>
+        <!--开启二级缓存-->
+        <setting name="cacheEnabled" value="true"/>
+    </settings>
+</configuration>

backend/microservice-provider-user-8001/src/test/java/com/cxyxiaomo/epp/AppTest.java

@@ -0,0 +1,20 @@
+package com.cxyxiaomo.epp;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest
+{
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue()
+    {
+        assertTrue( true );
+    }
+}