异常:
Exception in thread "main" org.apache.ibatis.binding.BindingException: Type interface com.yihaomen.mybatis.inter.IUserOperation is not known to the MapperRegistry.
at
org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:42)
at
org.apache.ibatis.session.Configuration.getMapper(Configuration.java:655)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.getMapper(DefaultSqlSession.java:218)
at com.yihaomen.test.Test.main(Test.java:33)
原因:User.xml 文件中 mapper中:错误如下红色字体为错误命名空间,接口编程中应对应接口所在路径 ,绿色为正确配置。
<--------?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">
<--------!--namespace="com.yihaomen.mybatis.inter.IUserOperation"
-->
<--------mapper namespace="com.yihaomen.mybatis.models.UserMapper"
>
<--------select id="selectUserByID" parameterType="int"
resultType="User">
select * from `user` where id = #{id}
<--------/select>
<--------/mapper>