mybatics異常org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be
遍歷結果集1-n的時候出現數據庫
org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 5apache
這個異常；io
個人問題是在數據庫之中，主鍵表和外鍵表的的列名相同，不可以同時遍歷，獲得的結果不可以存放人本身設置的select
mapresult之中會出現獲得多個結果的mapresultexception
只須要把兩個表的列名修改一下，讓它們不相同就能夠了遍歷
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- 1. org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned
- 2. Expected one result (or null) to be returned by...
- 3. TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2]
- 4. nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or nu
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