django FileField檔案上傳重新命名,ModelForm驗證儲存
阿新 • • 發佈:2018-11-10
models.py
class TeleplayTable(models.Model):
tid = models.CharField(max_length=50, primary_key=True, verbose_name='ID')
name = models.CharField(max_length=30, verbose_name='名稱')
video = models.FileField(upload_to="teleplay",storage=VideoStorage(), max_length=100, verbose_name='影視劇')
state = models.IntegerField(null=False , default=0, choices=((0, '未上傳'),(1, '已上傳')), verbose_name='視訊上傳狀態')
createTime = models.DateTimeField(auto_now_add=True)
updateTime = models.DateTimeField(auto_now=True)
class Meta:
verbose_name = "影視劇"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
新建 storage.py
from django.core.files.storage import FileSystemStorage
class VideoStorage(FileSystemStorage):
from django.conf import settings
def __init__(self, location=settings.MEDIA_ROOT, base_url=settings.MEDIA_URL):
# 初始化
super(VideoStorage, self).__init__(location, base_url)
# 重寫 _save方法
def _save(self, name, content):
# name為上傳檔名稱
import os, time, random
# 副檔名
ext = os.path.splitext(name)[1]
# 檔案目錄
d = os.path.dirname(name)
# 定義檔名,年月日時分秒隨機數
fn = time.strftime('%Y%m%d%H%M%S')
fn = fn + '_%d' % random.randint(10000, 99999)
# 重寫合成檔名
name = os.path.join(d, fn + ext)
# 呼叫父類方法
return super(VideoStorage, self)._save(name, content)
forms.py
class UploadVideoForm(forms.ModelForm):
class Meta:
model = TeleplayTable
fields = ['video']
view.py
class AddTeleplayVideo(View):
"""
上傳視訊
"""
def post(self, request):
req_teleplayID = request.POST.get('tid', '')
if req_teleplayID:
try:
teleplay = TeleplayTable.objects.get(tid=req_teleplayID)
video_form = UploadVideoForm(request.POST or None, request.FILES or None, instance=teleplay)
if video_form.is_valid():
video_form.save()
teleplay.state=1
teleplay.save()
……
#儲存成功
參考:
django如何給上傳的圖片重新命名(給上傳檔案重新命名)
https://www.cnblogs.com/zhaoyingjie/p/6894979.html
django上傳檔案
https://www.cnblogs.com/linjiqin/p/3731751.html
django form表單上傳檔案
https://blog.csdn.net/qxp3415926/article/details/80314303