报错信信息如下
错误原因,是没有加载上mapper.xml文件,可以去targer目录里查看
解决方法,我们需要在pom.xml文件中,添加如下配置,可以加载xml文件中的配置
<build> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.xml</include> <include>**/*.properties</include> </includes> <filtering>true</filtering> </resource> <resource> <directory>src/main/resources</directory> <includes> <include>**/*.xml</include> <include>**/*.properties</include> </includes> <filtering>true</filtering> </resource> </resources>
</build>