org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.hujin.springboottest18logback.dao.StudentMapper.selectStudentCount
at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:232) ~[mybatis-3.5.0.jar:3.5.0]
at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:50) ~[mybatis-3.5.0.jar:3.5.0]
是扫描不到mapper文件，在pom.xml中手动指定资源文件夹，
<!--手动指定文件夹为resources-->
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
</resources>
