订单管理功能实现

服务端异常，请联系管理员<br/>Could not find result map 'com.java1234.mapper.OrderMapper.Long' referenced from 'com.java1234.mapper.OrderMapper.getTotal'

服务端异常，请联系管理员<br/>Could not find parameter map com.java1234.mapper.WxUserInfoMapper.String

<?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.java1234.mapper.WxUserInfoMapper">

    <resultMap id="wxUserInfoResult" type="com.java1234.entity.WxUserInfo">

    </resultMap>

    <select id="findByOpenId" parameterType="String" resultMap="wxUserInfoResult">
        select * from t_wxuserinfo where openid=#{openId}
    </select>
</mapper>

<?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.java1234.mapper.OrderMapper">

    <resultMap id="orderResult" type="com.java1234.entity.Order">
        <association property="wxUserInfo" column="userId" select="com.java1234.mapper.WxUserInfoMapper.findByOpenId">

        </association>
    </resultMap>

    <select id="list" parameterType="Map" resultMap="orderResult">
        select * from t_order
        <where>
            <if test="orderNo!=null and orderNo!='' ">
                and orderNo like concat