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The data property "num" is already declared as a prop. Use prop default value instead.
時間 2021-01-07
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在寫父組件子組件相互傳遞數據的時候,出現The data property "num" is already declared as a prop. Use prop default value instead. 這裏意思是這個data的屬性num已經在prop聲明瞭,使用prop默認的值替代。因爲num我在父組件已經創建聲明後面又在子組件的data 聲明和初始化,衝突。 所以報這個錯,然後需要把
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