Question

我已经有一个能正常运作的视图和模板来显示我的球员数据。我检索我的玩家获胜总数，然后创建一个名为points的新变量，然后创建（Wins * 3）并将此值添加到数组中。我将此数组传递给模板并显示。

我现在正在转换为基于类的视图，并且我不知道如何计算点。

以下工作正常：

def players(request):
# descending order player list by points
players = Player.objects.all().order_by('-points')
won = Match.objects.filter(won=True)
lost = Match.objects.filter(won=False)
tie = Match.objects.filter(won=None)

player_stats = []

for player in players:
    print(player.name)
    # print(player.preferredfoot)
    won_matches = len(won.filter(player__name=player.name))
    lost_matches = len(lost.filter(player__name=player.name))
    tie_matches = len(tie.filter(player__name=player.name))
    points = won_matches * 3 + tie_matches
    player_stats.append([player.name, player.preferredfoot, won_matches, tie_matches, lost_matches, points, player.position, player.trait, player.goalsscored, player.assists, player.motmawards])

content = {
    'player_stats': player_stats
}

return render(request, 'manager/players.html', content)

现在有了基于类的视图：-

 class PlayerListView(ListView):
 model = Player
 template_name = 'manager/players.html'
 context_object_name = 'player_stats' (used by my template)

我不明白如何在上面添加额外的数据，我只具有仅与Player对象相关的字段。在将上下文传递到模板之前，我需要向Player对象添加额外的值。

如何添加等效项

    for player in players:
    won_matches = len(won.filter(player__name=player.name))
    won = Match.objects.filter(won=True)
    ...
    points = won_matches * 3

进入我的context_object_name'player_stats'吗？

谢谢

在基于通用类的视图中，如何将计算字段添加到ListView中？

0 个答案: