mybatis檔案在maven建構時沒有打到包中。
需要打入包的檔案 src/main/java/commybatis/mapping/**Mapper.xml
pom.xml中添加如下配置即可
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
</resources>
</build>