Invalid bound statement (not found): mapper.userMapper.selectById
时间: 2023-11-08 12:04:10 浏览: 46
这个错误提示是由于在映射文件中找不到名为`selectById`的方法所引起的。可能是以下原因之一导致的问题:
1. 请确保在`userMapper.xml`文件中存在一个名为`selectById`的映射语句,且语句的id属性值为`selectById`。
2. 请检查`userMapper.xml`文件中是否正确配置了与数据库表对应的实体类的命名空间。
3. 请确保在`userMapper.xml`文件中配置了正确的SQL语句以执行查询操作。
如果以上步骤都正确无误,但仍然出现这个错误提示,请提供更多的代码和详细的错误信息,以便我能更准确地帮助您解决问题。
相关问题
Invalid bound statement (not found): com.study.mapper.UserMapper.selectById
根据你提供的引用内容,可以得出以下结论。首先,出现"Invalid bound statement (not found): com.study.mapper.UserMapper.selectById"的错误是因为在MyBatis-Plus持久化框架使用中,Mapper.java与Mapper.xml绑定失败导致的[1]。解决这个问题的方法是确保UserMapper继承的BaseMapper也要写上对应的范型。另外,你可以检查target目录下的classes>mapper下是否有相应的Mapper.xml文件,如果没有,需要手动添加。这些方法可以帮助你解决"Invalid bound statement (not found): com.study.mapper.UserMapper.selectById"的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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Invalid bound statement (not found): com.gec.mapper.UserMapper.selectById
当出现"Invalid bound statement (not found): com.gec.mapper.UserMapper.selectById"错误时,通常是由于以下几个问题导致的:
1. UserMapper.xml文件中没有配置名为"selectById"的statement。请检查UserMapper.xml文件中是否存在该方法的映射配置。
2. UserMapper.xml文件中的namespace路径错误。请确保namespace路径与Java接口的包路径一致。
3. UserMapper.xml文件中定义的每个statement的id错误。请检查是否正确配置了selectById方法的id。
4. UserMapper.xml文件中的parameterType路径错误。请确保parameterType的路径与Java实体类路径一致。
5. UserMapper.xml文件中的resultType路径错误。请确保resultType的路径与Java实体类路径一致。
请根据上述问题逐一检查并修复,以解决"Invalid bound statement (not found)"错误。 <span class="em">1</span><span class="em">2</span><span class="em">3</span>
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