DAO's operation in the query, the query to the database record, sql statement is successfully executed, but returned object is null - Code World

DAO's operation in the query, the query to the database record, sql statement is successfully executed, but returned object is null

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Origin www.cnblogs.com/Strugglinggirl/p/11963541.html

DAO's operation in the query, the query to the database record, sql statement is successfully executed, but returned object is null

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