报错提示:Could not find resource mybatis-config.xml
1.<mapper resource="com/wzx/mapper/BookMapper.xml"/>写错了
2.target中没有加载.xml文件, 需要在pom文件中添加
<build>
<resources>
<resource>
<directory>src/main/java</directory><!--所在目录-->
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory><!--所在目录-->
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
原文:https://www.cnblogs.com/wzxstudy/p/14674075.html