Mapped Statements collection does not contain value for cn.itsource.crm.mapper.BaseMapper.selectAll

報錯信息：Mapped Statements collection does not contain value for cn.itsource.crm.mapper.BaseMapper.selectAll 看了其它很多文章都不得行，最後發現是因爲mapper這個父類沒加泛型類型，下圖已經加上。

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