资源video的时长记录

src/main/resources/mapper/ResourceVideoMapper.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="xyz.playedu.api.mapper.ResourceVideoMapper">
+
+    <resultMap id="BaseResultMap" type="xyz.playedu.api.domain.ResourceVideo">
+            <result property="rid" column="rid" jdbcType="INTEGER"/>
+            <result property="duration" column="duration" jdbcType="INTEGER"/>
+            <result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        rid,duration,created_at
+    </sql>
+</mapper>