完善Dao之Mapper，和pojo实体类代码

liurunyu

2023-11-08 80e496eaef6ad23fbcc2b68b70422b7fc5e7568b

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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar