Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could

Spring Boot項目中含有Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.錯誤. 問題原因: Mybatis沒有找到合適的加載類,其實是大部分spring - datasource - url沒有加載成功,分析原因

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