報錯如下
屬性或方法“范圍”不是在實例上定義的，而是在呈現期間引用的。 通過初始化屬性，確保此屬性是反應性的，無論是在數據選項中，還是對於基於類的組件。
原因在template中未添加此行聲明 slot-scope="scope"
免責聲明！
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