def register(request):
# 判断是否为post请求
if request.method == "POST":
# 获取请求头数据，请求以json的格式传输
registerinformation = request.body
# 将请求头数据转化为json格式
registerinformationData = json.loads(registerinformation)
# 获取用户名
userName = registerinformationData.get('userName')
# 从数据库中查找是否存在该用户名
userNameDB = loginModels.Userinfo.objects.filter(userName=userName)
# 判断用户名是否存在，若存在，则提示已有该用户，若不存在，则进行密码加密后存储到数据库中
if userNameDB:
return HttpResponse(json.dumps(requestResult.result_json('312', '该用户名已经存在', '')),
content_type="application/json,charset=utf-8")
else:
# 获取用户密码
#
userPwd = registerinformationData.get('userPwd')
# 密码加密操作md5，md5加密功能具体看md5加密代码
userPwdMd5 = md5.Md5(userPwd)
# 将加密后的密码赋值给请求头中的密码参数
registerinformationData["userPwd"] = userPwdMd5
# 将json格式数据，类型为dict 存储到数据库中，表明为Userinfo，将注册请求存储到数据库中
loginModels.Userinfo.objects.create(**registerinformationData)
return HttpResponse(json.dumps(requestResult.result_json('201', '注册成功，请登录', '')),
content_type="application/json,charset=utf-8")
else:
return HttpResponse(json.dumps(requestResult.result_json('501', '不是post请求', '')),
content_type="application/json,charset=utf-8")
def image_upload(request):
if request.method == 'POST':
img = json.loads(request.body, encoding='utf-8')
b64_data = img.get('product_pic')
'''
1:"data:image/jpg;base64,/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAgGBgcGBQgHBwc
JCQgKDBQNDAsLDBkSEw8UHRofH"
2:base64编码图片格式为上述样式，需要截取base64,号以后的内容
'''
baseImg = b64_data.split(';base64,')[1]
'''
base64解码异常解决办法
在解码base64字符串的时候抛异常 TypeError: Incorrect padding
'''
missing_padding = 4 - len(baseImg) % 4
if missing_padding:
baseImg += '=' * missing_padding
# base64格式解码 需要 import base64
base64Data = base64.b64decode(baseImg)
# 获得当前工作目录
root = os.path.abspath(os.curdir)
# 设置图片保存路径
urlPath = '\\zhylbwg\\templates\\img\\'
# 按时间自动生成文件名称
imgName = str(
datetime.datetime.now().strftime('%Y%m%d%H%M%S')) + '.jpg'
# 图片保存全路径
imgUrl = root + urlPath + imgName
# 打开文件
fp = open(imgUrl, 'wb')
# 将解码后的base64写入文件中
fp.write(base64Data)
'''
将图片路径写入数据库中并保存
'''
img['product_pic'] = imgUrl
# 外键处理
product_brand_id = img.get('product_brand_id')
brandName = productInfo_models.BrandName.objects.filter(
brand_name=product_brand_id)[0].id
img['product_brand_id'] = productInfo_models.BrandName.objects.get(
id=brandName)
# 保存前端传入的数据
productInfo_models.ProductInfo.objects.create(**img)
# 返回响应
return HttpResponse(json.dumps(
requestResult.result_json('204', '图片上传成功', '')),
content_type="application/json,charset=utf-8")
else:
return HttpResponse(json.dumps(
requestResult.result_json('204', '图片上传失败', '')),
content_type="application/json,charset=utf-8")
def add_product(request):
productInformation = json.loads(request.body, encoding='utf-8')
product_brand_id = productInformation.get('product_brand_id')
brandName = productInfo_models.BrandName.objects.filter(brand_name=product_brand_id)[0].id
productInformation['product_brand_id'] = productInfo_models.BrandName.objects.get(id=brandName)
print(productInformation)
if request.method == 'POST':
productInfo_models.ProductInfo.objects.create(**productInformation)
return HttpResponse(json.dumps(requestResult.result_json('204', '产品新增成功', '')),
content_type="application/json,charset=utf-8")
def login(request):
if request.method == 'POST':
# 获取请求头数据，请求以json的格式传输
loginInfor = request.body
loginInformation = json.loads(loginInfor)
# 获取用户名
userName = loginInformation.get('userName')
# 判断该用户名是否存在
userNameDB = loginModels.Userinfo.objects.filter(userName=userName)
print(userNameDB.values_list('userName')[0])
if len(userNameDB) == 0:
return HttpResponse(json.dumps(requestResult.result_json('202', '该用户名不存在，请注册', '')),
content_type="application/json,charset=utf-8")
else:
# 判断密码是否正确
userPwd = loginInformation.get('userPwd')
userPwdMd5 = md5.Md5(userPwd)
checkLogin = loginModels.Userinfo.objects.get(userName=userName)
if userPwdMd5 == checkLogin.userPwd:
return HttpResponse(json.dumps(requestResult.result_json('203', '登录成功', '')),
content_type="application/json,charset=utf-8")
else:
return HttpResponse(json.dumps(requestResult.result_json('504', '密码错误', '')),
content_type="application/json,charset=utf-8")
def query_product(request):
productInformation = json.loads(request.body, encoding='utf-8')
if request.method == 'POST':
porductName = productInformation.get('product_name')
'''
1:在Django框架中，我们不能直接将QuerySet对象通过 HttpResponse(json.dumps(QeurySet))返回给前端Ajax....
否则会报错：Object of type 'QuerySet' is not JSON serializable
2:因此需要序列号后才能返回给前端Ajax....
serializers.serialize("json",productInfo_models.ProductInfo.objects.filter(product_name=porductName))
jango.core import serializers
'''
quere_result = serializers.serialize("json",
productInfo_models.ProductInfo.objects.filter(
product_name=porductName))
return HttpResponse(json.dumps(requestResult.result_json('205', '查询成功', quere_result)),
content_type="application/json,charset=utf-8")
def add_brand(request):
brandInformation = json.loads(request.body, encoding='utf-8')
if request.method == 'POST':
productInfo_models.BrandName.objects.create(**brandInformation)
return HttpResponse(json.dumps(requestResult.result_json('204', '品牌新增成功', '')),
content_type="application/json,charset=utf-8")