是因为xml文件中resultType类型写错导致。
要定义resultMap
<resultMap id="map" type="com.wf.dao.entity.UserEntity">
<id column="id" property="id"></id>
<result column="name" property="name"></result>
</resultMap>
完整代码如下:
<?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.wf.dao.mapper.UserMapper">
<resultMap id="map" type="com.wf.dao.entity.UserEntity">
<id column="id" property="id"></id>
<result column="name" property="name"></result>
</resultMap>
<select id="select" resultType="map">
select
id,
name
from
wf
</select>
</mapper>