添加的功能：小程序端用户查看当前课程推广码

修改的bug: Web端管理员根据课程id分页查询课程章节

src/main/resources/mapper/CourseQrcodeApplyMapper.xml

@@ -0,0 +1,20 @@
+<?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.greenorange.promotion.mapper.CourseQrcodeApplyMapper">
+
+    <resultMap id="BaseResultMap" type="com.greenorange.promotion.model.entity.CourseQrcodeApply">
+            <id property="id" column="id" jdbcType="BIGINT"/>
+            <result property="userId" column="userId" jdbcType="BIGINT"/>
+            <result property="courseId" column="courseId" jdbcType="BIGINT"/>
+            <result property="isDelete" column="isDelete" jdbcType="TINYINT"/>
+            <result property="createTime" column="createTime" jdbcType="TIMESTAMP"/>
+            <result property="updateTime" column="updateTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,userId,courseId,
+        isDelete,createTime,updateTime
+    </sql>
+</mapper>