Mapper that could not be found

简介: Mapper that could not be found

现象1 mapper 资源扫不到

resources 建的是 目录 ,不是 package 所以如果直接 a.b 的方式创建,会扫描不到 mapper.xml 文件

现象2 缺少配置文件 HisDruidConfig

SpringBoot 配置多数据源

现象3 没有启动添加扫描

启动项缺少扫描 MapperScan

//@MapperScan(basePackages ={"com.iron.his.mapper"} ) -- 如果两个MapperScan 就需要 classpath: 改成 classpath*

这边多数据源,放到了 IronDruidConfig、HisDruidConfig 中处理

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