DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mappernamespace="com.example.demo.mapper.UserMapper"><updateid="updateByMyWrapper">UPDATE user SET email = #{user.email} ${ew.customSqlSegment}</update></mapper> @Testpublicvo...
wxUserExtMapper会标红,不用理会2.没有做第三步,在调用时会报异常(看了其他博主的解决方法也是): 通用异常org.apache.ibatis.binding.BindingException:Invalidbound statement(not found):com.test.mapper.WxUserExtMapper.oneUser3.若将ExtMapper.xml文件放入静态文件目下的话,就需要更改mybatis.mapper-locations ...