Detailed explanation of mybatis.mapper-locations

# MybatisProperties

# Scan the XML file corresponding to the Mapper interface, as shown in the following figure: All files ending in xml in the mapper folder under resources are scanned. Note: If you use the @Mapper annotation throughout, you don't need to use this configuration. SpringBoot advocates "convention is better than configuration"

mybatis.mapper-locations=classpath:mapper/*.xml

# To specify the POJO scanning package to let mybatis automatically scan to the custom POJO

mybatis.type-aliases-package=com.nowcoder.community.entity

# Allow JDBC to support automatic generation of primary keys, which requires driver compatibility

mybatis.configuration.useGeneratedKeys=true

# Automatic camel case conversion

mybatis.configuration.mapUnderscoreToCamelCase=true