从表格中提取Tag

DataTable->FindRow
example：

UPROPERTY(EditAnywhere, BlueprintReadOnly,Category="Widget Data")
TObjectPtr<UDataTable> MessageWidgetDataTable;

template<typename T>
T* GatDataTableRowByTag(UDataTable* DataTable, const FGameplayTag& Tag);

template <typename T>
T* UOverlayWidgetController::GatDataTableRowByTag(UDataTable* DataTable, const FGameplayTag& Tag)
{
    return DataTable->FindRow<T*>(Tag.GetTagName(),TEXT(""));
}