Mybatis與springboot專案啟動時出現Field XXX in com.xxx that could not be found

阿新 • • 發佈：2018-12-21

Mybatis與springboot專案，啟動時報錯，詳細的錯誤如下：

Field xxx in com.xxxl required a bean of type ‘xxx’ that could not be found.
Action:
Consider defining a bean of type ‘xxx’ in your configuration.

原因是bean裝配失敗，springboot掃描時沒有找到DAO 的@Mapper對應的介面。
解決方法：
在啟動類前加上：

@MapperScan(basePackages = { "mapper所在的包路徑" }）

掃描xx.xx.mapper包下的所有mapper

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