计数特定用户登录的数量django? [英] count number of logins by specific user django?

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问题描述

他们是否计数django登录的数量?
auth_user的last_login字段将随每次登录更新。
我们可以使用该字段来计算特定用户的登录数量吗?

解决方案

是的,在感。您需要使用应用程序的 UserProfile 模型中的字段来保存登录号或用于存储完整登录历史记录的单独模型。然后为last_login更新添加信号处理程序,并将其记录在您选择的模型中。这是我的示例:

 从django.db导入模型,信号来自django.contrib.auth.models的用户
导入用户

class UserLogin(models.Model):
表示用户登录,每记录一个
user = models.ForeignKey(user)
timestamp = models.DateTimeField()

def user_presave(sender,instance,** kwargs):
if instance.last_login:
old = instance .__ class __。objects.get( pk = instance.pk)
if instance.last_login!= old.last_login:
instance.userlogin_set.create(timestamp = instance.last_login)

signals.pre_save.connect( user_presave,sender = User)


Is their any way of counting number of django logins? The last_login field of the auth_user gets updated with each login. Can we make use of that field to count number of logins by a specific user?

解决方案

Yes, in a sense. You'll need either a field in you app's UserProfile model to hold number of logins or a separate model for storing full login history. Then add signal handlers for last_login updates and record them in a model of your choice. Here's my example:

from django.db import models, signals
from django.contrib.auth.models import User

class UserLogin(models.Model):
    """Represent users' logins, one per record"""
    user = models.ForeignKey(user) 
    timestamp = models.DateTimeField()

def user_presave(sender, instance, **kwargs):
    if instance.last_login:
        old = instance.__class__.objects.get(pk=instance.pk)
        if instance.last_login != old.last_login:
            instance.userlogin_set.create(timestamp=instance.last_login)

signals.pre_save.connect(user_presave, sender=User)

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