本文为博主原创，未经允许不得转载：　　mybatis plus 使用过程中已经很大程度提升了我们开发的效率，因为它内部已经对单表的操作进行了完美的封装，但是关联表操作时，这时就需要自己定义sql，自定义实现。　　1.在idea中配置 mybatis sql 映射文件的模版。步骤如下图：　　其中的模版如下： ...

文章 2024-06-24 来自：开发者社区

后端数据库开发JDBC编程Mybatis之用基于XML文件的方式映射SQL语句实操

之前的SQL语句是基于注解以后开发中一般是一个接口对应一个映射文件 ...

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