Result Maps collection already contains value

＂Result Maps collection already contains value＂

最近研究ｍｙｂａｔｉｓ

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configuration        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"        "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>    <environments default="development">        <environment id="development">            <transactionManager type="JDBC"/>            <dataSource type="POOLED">                <property name="driver" value="com.mysql.jdbc.Driver"/>                <property name="url" value="jdbc:mysql://localhost:3306/gp?useUnicode=true&amp;characterEncoding=utf-8&amp;useSSL=false&amp;useJDBCCompliantTimezoneShift=true&amp;useLegacyDatetimeCode=false&amp;serverTimezone=UTC"/>                <property name="username" value="root"/>                <property name="password" value=""/>            </dataSource>        </environment>    </environments>    <!--<mappers>-->        <!--<mapper resource="xml/TestMapper.xml"/>-->        <!--<mapper resource="xml/SCDataMapper.xml"/>-->    <!--</mappers>--></configuration>

建议将下面的ｍａｐｐｅｒｓ注释掉
然后将该配置文件与接口放在同
一目录下，问题解决