begin new project

src/main/resources/mapper/book/CountyDao.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.peanut.modules.common.dao.CountyDao">
+
+	<!-- 可根据自己的需求，是否要使用 -->
+    <resultMap type="com.peanut.modules.common.entity.County" id="countyMap">
+        <result property="countyId" column="county_id"/>
+        <result property="cityId" column="city_id"/>
+        <result property="countyName" column="county_name"/>
+        <result property="createDate" column="create_date"/>
+        <result property="regionCode" column="region_code"/>
+    </resultMap>
+
+
+</mapper>