TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
类型 异常报告 描述 服务器遇到一个意外的情况，阻止它完成请求。 例外情况 因为查询到两条数据 原来的查询语句 解决方法 添加查询的用户的id,会自动将多条数据的同一用户 ...
原文：TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
返回值超过一个，而你设置的接收变量不是集合 ...
2020-05-09 11:51 0 1428 推荐指数：
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Expected one result (or null) to be returned by selectOne(), but found: 2
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