django mysql数据库及图片上传接口详解

workon python35
pip install pillow
pip install pymysql

from django.db import models
import datetime
class Image(models.Model):
 # url = models.TextField(null=True)
 image = models.ImageField(upload_to=str('image/{time}'.format(time=str(datetime.date.today().strftime("%Y%m/%d")))))
 create_time = models.DateTimeField(auto_now_add=True, null=True)
 update_time = models.DateTimeField(auto_now=True, null=True)

 class Meta:
 pass

DATABASES = {
 'default': {
  'ENGINE': 'django.db.backends.mysql',
  'NAME': 'test',
  'USER': 'root',
  'PASSWORD': '111111',
  'HOST': '127.0.0.1',
  'PORT': '3306',
 }
}

import pymysql
pymysql.install_as_MySQLdb()

workon python35
python manage.py makemigrations
python manage.py migrate

from rest_framework import serializers
class ImageUploadSerializer(serializers.Serializer):
  token = serializers.CharField(max_length=100)
  image = serializers.ImageField()

from .models import *
from django.views.decorators.csrf import csrf_exempt
import time
import hashlib
class ImageUpload(APIView):
  '''
  图片上传接口 \n
  "http://127.0.0.1:8000/pages/uploadImage"   (我简单写了个页面做提交)\n
  '''

  # coreapi_fields = (DocParam(name='token', description='token'),
  #          DocParam(name='image', description='文件', type='file'),)

  @csrf_exempt
  def post(self, request, *args, **kwargs):

    image = request.FILES['image']
    data = get_parameter_dic(request)
    # 需要判断文件类型是否是图片.
    serial = ImageUploadSerializer(data={"token": data["token"],
                       "image": image})
    if serial.is_valid():
      print("校验成功")
    else:
      return JsonError("参数校验失败")

    image = serial.validated_data.get("image")

    new_image = Image(image=image)
    imageName = str(new_image.image.name)
    location = str(imageName).find('.')
    extension = imageName[location:]

    name = imageName[:location]
    namestring = name+str(time.time())
    md5 = hashlib.md5(namestring.encode('utf-8')).hexdigest()
    new_image.image.name = md5[:10] + extension
    new_image.save()


    return JsonResponse(data=new_image)

http://localhost:8000/image/201710/20/d527b242d1.jpg

MEDIA_URL = '/media/'

MEDIA_ROOT = os.path.join(BASE_DIR, 'media').replace('\\', '/')

from django.conf.urls import url, include
from django.contrib import admin
from rest_framework.schemas import get_schema_view
from mytest.views import ReturnJson
import mytest
from mytest.views import SwaggerSchemaView
from mytest.views import ImageUpload
from django.views.static import serve
from django.conf import settings

urlpatterns = [
  url(r'^admin/', admin.site.urls),
  url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
  url(r'^docs/', SwaggerSchemaView.as_view(), name='apiDocs'),
  url(r'^api/getjson', ReturnJson.as_view()),
  url(r'^api/uploadimage', ImageUpload.as_view()),
  # url(r'^static/(?P<path>.*)$', serve, {'document_root': settings.STATIC_ROOT}),
  url(r'^media/(?P<path>.*)$', serve, {'document_root': settings.MEDIA_ROOT}),
]

http://localhost:8000/media/image/201710/20/d527b242d1.jpg

from .models import Image
class GETAllImages(APIView):

  def get(self, request, *args, **kwargs):
    imagesset=Image.objects.all()
    return JsonResponse(data=imagesset)

from django.conf.urls import url, include
from django.contrib import admin
from rest_framework.schemas import get_schema_view
from mytest.views import ReturnJson
import mytest
from mytest.views import SwaggerSchemaView
from mytest.views import ImageUpload, GETAllImages
from django.views.static import serve
from django.conf import settings

urlpatterns = [
  url(r'^admin/', admin.site.urls),
  url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
  url(r'^docs/', SwaggerSchemaView.as_view(), name='apiDocs'),
  url(r'^api/getjson', ReturnJson.as_view()),
  url(r'^api/uploadimage', ImageUpload.as_view()),
  url(r'^api/getallimage', GETAllImages.as_view()),
  url(r'^static/(?P<path>.*)$', serve, {'document_root': settings.STATIC_ROOT}),
  url(r'^media/(?P<path>.*)$', serve, {'document_root': settings.MEDIA_ROOT}),
]