解决Caused by: java.lang.IllegalArgumentException: Result Maps collection does not contain value for com.geek.dao.ContentDao.Integer

mybatis报错：Caused by: java.lang.IllegalArgumentException: Result Maps collection does not contain value for com.geek.dao.ContentDao.Integer

出错原因：一个手误

  <select id="selectAllFirstNavigationName" resultMap="firstNavigation">
        SELECT first_navigation_name
        FROM first_navigation
    </select>

修改方法：将resultMap修改为resultType，因为返回的是基本的数据类型

resultType和resultMap的区别：resultType是直接表示返回类型的，而resultMap则是对外部ResultMap的引用

时间： 2024-08-12 09:19:51

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