1.路径通配符:
?(匹配单个字符),*(匹配除/外任意字符)、**/(匹配任意多个目录)
2. mapper.xml 不在resource路径下,读取不到
在pom.xml的加上
<build> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.xml</include> </includes> <filtering>true</filtering> </resource> <resource> <directory>src/main/resources</directory> </resource> </resources> </build>