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解決 Expected one result (or null) to be returned by selectOne(), but found: 2
時間 2021-07-12
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這個問題同樣是在前後端交換數據的時候遇到的一個問題,然後我通過有道翻譯給他翻譯了一下: 剛開始看到這個對於新手小白來說可能還不能準確的定位到自己的錯誤,但是這個錯誤很明顯就是在告訴我們: 你想查詢多條數據,但是前臺限制只能查詢一條 這個錯誤在剛開始並沒有出現,是因爲我們剛開始的時候可能只是爲了測試在數據庫中只插入了一條數據,但是隨着業務的增加,我們在數據庫中加入了新的數據,但是同樣的後端方法,導致
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