后端微服务框架初步完成（还没跑起来）

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>