详细出错代码: org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'cn.mgy.mapper.UserMapper.findById'. I…
今天在做ssm项目的时候出现了: 先是出现 了错误: mybatis报错:A query was run and no Result Maps were found for the Mapped Statement 这是因为Dao.xml中的select标签中必须指定要返回的值的类型(注意:是返回值的单个类型,即如果你是返回一个List<User>的话,需要指定的是User) 具体的这种错误的解决办法见:https://www.cnblogs.com/isme-zjh/p/11757155.h…
使用mybatis时出现异常问题: 有如下的错误 Error querying database. Cause: org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'user.insertUser!selectKey'. It's likely that neither a Result Type nor a Re…
mybatis测试方法报错: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'com.xxx.mapper.ExamReportStuMapper.findReportStuIsNotA…
ExecutorException: A query was run and no Result Maps were found for the Mapped Statement 'com.win.mall.dao.CartMapper.test'. It's likely that neither a Result Type nor a Result Map was specified. 原因:mybatis没有resultMap报错 在mapper文件的 select 标签中没有指定 res…
在使用mybatis进行多参数传递时,报错: A query was run and no Result Maps were found for the Mapped Statement 'xx.xx.'. It's likely that neither a Result Type nor a Result Map was specified. 后来发现,原来是没有指定resultMap或resultType mybatis中的所有查询,都必须返回resultType或者resultMap的…
转自:https://blog.csdn.net/u013399093/article/details/53087469 今天编辑mybatis的xml文件,出现如下错误: 程序出现异常[A query was run and no Result Maps were found for the Mapped Statement '***'. It's likely that neither a Result Type nor a Result Map was specified. at or…
在学习动态SQL语句之前,首先必须对条件查询有一定了解,先来学习如何向IBatis.Net的映射文件里传入参数. 一.条件查询 1.传递单个参数 如根据Id查询: <select id="SelectPersonById" resultMap="Person" parameterClass="Int32" > SELECT * FROM Person WHERE Id = #Id# --这样传入一个参数 </select>…
在学习动态SQL语句之前,首先必须对条件查询有一定了解,先来学习如何向IBatis.Net的映射文件里传入参数. 一.条件查询 1.传递单个参数 如根据Id查询: <select id="SelectPersonById" resultMap="Person" parameterClass="Int32" > SELECT * FROM Person WHERE Id = #Id# --这样传入一个参数 </select>…