import pytzfrom datetime import datetimenow = datetime.now() #這是一個(gè)navie類型的時(shí)間utc_timezone = pytz.timezone('UTC') #定義UTC的時(shí)區(qū)對(duì)象utc_now = now.astimezone(utc_timezone) #將當(dāng)前時(shí)區(qū)時(shí)間轉(zhuǎn)換為UTC時(shí)區(qū)的時(shí)間>> ValueError: astimezone() cannot be applied to a navie datetime# 會(huì)拋出一個(gè)異常，原因就是因?yàn)閚avie類型的時(shí)間不能調(diào)用astimezone方法now = now.replace(tzinfo=pytz.timezone('Asia/Shanghai'))utc_now = now.astimezone(utc_timezone)#這時(shí)候就可以進(jìn)行時(shí)區(qū)的轉(zhuǎn)換#更改時(shí)間

TIME_ZONE = 'Asia/Shanghai' # 時(shí)區(qū)的選擇# 如果USE_TZ=False,那么django獲取到的當(dāng)前時(shí)間就是一個(gè)navie類型的時(shí)間,# 網(wǎng)上很多資料寫的是設(shè)置False,但是實(shí)際開發(fā)過程中設(shè)置TrueUSE_TZ = True

from django.db import modelsclass ArticleModel(models.Model): """ 文章的模型 """ create_time = models.DateTimeField(verbose_name='文章創(chuàng)建時(shí)間') class Meta(object): db_table = 'article' def __str__(self): return '<ArticleModel>({}, {})'.format(self.title, self.create_time)

from django.shortcuts import renderfrom django.views import View# 引入模塊from django.utils.timezone import now, localtimefrom . import modelsclass ArticleView(View): """ 文章的視圖類 """ def get(self, request, *args, **kwargs): models.ArticleModel.objects.create(title='第一篇文章', create_time=now()) return render(request, 'article.html')

from django.shortcuts import renderfrom django.views import View# 引入模塊from django.utils.timezone import now, localtimefrom . import modelsclass ArticleView(View): """ 文章的視圖類 """ def get(self, request, *args, **kwargs): result = models.ArticleModel.objects.get(pk=1) print(result) print(localtime(result.create_time)) return render(request, 'article.html')

<p>{{ article.title }}</p><p>{{ article.create_time }}</p><!--直接使用django內(nèi)置過濾器格式化數(shù)據(jù)--><p>{{ article.create_time | date:"Y-m-d H:i:s" }}</p>

create_time = models.DateTimeField(auto_now_add=True, null=True, verbose_name='創(chuàng)建時(shí)間')update_time = models.DateTimeField(auto_now=True, null=True, verbose_name='修改時(shí)間')