Django项目：CRM(客户关系管理系统)--60--50PerfectCRM实现CRM客户报名流程学生合同URL随机码

 # sales_urls.py
 # ————————47PerfectCRM实现CRM客户报名流程————————
 from django.conf.urls import url
 from bpm.sales import sales_views

 urlpatterns = [

     url(r'^customer/(\d+)/enrollment/$', sales_views.enrollment, name="enrollment"),#客户招生#报名流程一 下一步

     # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
     # ————————48PerfectCRM实现CRM客户报名流程学生合同————————
     # url(r'^customer/registration/(\d+)/$', sales_views.stu_registration, name="stu_registration"),  # 报名流程二 学员签同合
     # ————————48PerfectCRM实现CRM客户报名流程学生合同————————
     url(r'^customer/registration/(\d+)/(\w+)/$', sales_views.stu_registration, name="stu_registration"),  # 报名流程二 学员签同合
     # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————

 ]
 # ————————47PerfectCRM实现CRM客户报名流程————————

# sales_urls.py

 # sales_views.py
 # ————————47PerfectCRM实现CRM客户报名流程————————
 from django.db import IntegrityError  # 主动捕捉错误信息
 from django.shortcuts import render  # 页面返回
 from crm import models  # 数据库
 from bpm.bpm_auxiliary import bpm_forms  # 自定制 forms
 from  django.contrib.auth.decorators import login_required  # 登陆后页面才能访问

 # ————————47PerfectCRM实现CRM客户报名流程————————
 from django.core.mail import send_mail
 # send_mail的参数分别是  邮件标题，邮件内容，发件箱(settings.py中设置过的那个)，收件箱列表(可以发送给多个人),失败静默(若发送失败，报错提示我们)
 import random
 import datetime  # 获取时间#登陆过期

 # 发送邮件的功能 #验证码#密码
 class stmp():
     def __init__(self):
         self.emaillist = []  # 发送给谁
         self.code = None  # 验证码#密码

     def stmps(self, request, email, msg_mail):  # 传参数#页面，session #邮箱，发送给谁 #内容
         self.emaillist.append(email)  # 将邮箱地址添加到调用Django发送邮件功能
         # ——————生成验证码——————
         _letter_cases = "abcdefghjkmnpqrstuvwxy"  # 小写字母，去除可能干扰的i，l，o，z
         _upper_cases = _letter_cases.upper()  # 大写字母
         _numbers = ''.join(map(str, range(3, 10)))  # 数字
         chars = ''.join((_letter_cases, _upper_cases, _numbers))  # 变成一条字符串
         list = random.sample(chars, 4)  # 从一条字符串随机选4个字符变成列表
         self.code = ''.join(list)  # 列表变字符串
         # ——————生成验证码——————
         # ——————调用Django发送邮件——————
         title = 'PerfectCRM项目自动邮件：%s' % self.code  # 邮件标题#防止一样的内容被邮箱屏蔽
         send_mail(title,  # 邮件标题
                   msg_mail,  # 验证码内容
                   'perfectcrm@sina.cn',  # 发送的邮箱  #根据情况重新配置
                   self.emaillist,  # 接受的邮箱
                   fail_silently=False,  # 静默,抛出异常
                   )
         print('发送邮件成功！没收到要换标题！检查发送邮箱的配置！')
         # ——————调用Django发送邮件——————

 # ————————47PerfectCRM实现CRM客户报名流程————————
 # ————————47PerfectCRM实现CRM客户报名流程————————
 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
 import random  # 随机
 import string  # 字母 数字
 from django.core.cache import cache  # 缓存

 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
 # 报名填写 销售
 @login_required  # 登陆后页面才能访问
 def enrollment(request, customer_id):
     msgs = {}  # 错误信息
     customer_obj = models.Customer.objects.get(id=customer_id)  # 取到客户信息记录 #返回到页面#报名人
     consultant_obj = models.UserProfile.objects.get(id=request.user.id)  # 报名课程顾问

     stmp_mail = {}  # 邮件发送成功
     stmpemail = stmp()  # 实例化发送邮件的功能
     email = request.POST.get('email')  # 让页面POST提交的值，在页面GET后仍然存在显示
     if request.method == "POST":
         enroll_form = bpm_forms.EnrollmentForm(request.POST)  # 获取数据
         if enroll_form.is_valid():  # 表单验证

             # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
             # msg = "http://127.0.0.1:8000/bpm/customer/registration/{enroll_obj_id}/"
             msg = "http://127.0.0.1:8000/bpm/customer/registration/{enroll_obj_id}/{random_str}/ "
             random_str = ''.join(random.sample(string.ascii_lowercase + string.digits, 8))  # 生成8位随机字符串 #URL使用
             url_str = '''customer/registration/{enroll_obj_id}/{random_str}/'''  # 报名链接
             # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————

             try:
                 enroll_form.cleaned_data['customer'] = customer_obj  # 添加学员对象 记录 #报名人
                 enroll_form.cleaned_data['consultant'] = consultant_obj  # 报名课程顾问
                 enroll_obj = models.Enrollment.objects.create(**enroll_form.cleaned_data)  # 创建记录

                 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
                 # msgs['msg']=msg.format(enroll_obj_id=enroll_obj.id)#报名记录对应的id,随机字符串，报名链接
                 sort_url = enroll_obj.id  # 获取报名表对应的ID
                 cache.set(enroll_obj.id, random_str, 61000)  # 加入过期时间   #URL使用    # cache缓存
                 msgs['msg'] = msg.format(enroll_obj_id=enroll_obj.id, random_str=random_str)  # 报名记录对应的id,随机字符串，报名链接
                 url_str = url_str.format(enroll_obj_id=enroll_obj.id, random_str=random_str)  # 报名链接
                 print(url_str)
                 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
             except IntegrityError as e:
                 # 取到这条记录
                 enroll_obj = models.Enrollment.objects.get(customer_id=customer_obj.id,
                                                            enrolled_class_id=enroll_form.cleaned_data[
                                                                'enrolled_class'].id)
                 enroll_form.add_error('__all__', '记录已经存在，不能重复创建！')

                 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
                 # msgs['msg']=msg.format(enroll_obj_id=enroll_obj.id)#报名记录对应的id
                 cache.set(enroll_obj.id, random_str, 61000)  # 加入过期时间  #URL使用    # cache缓存
                 msgs['msg'] = msg.format(enroll_obj_id=enroll_obj.id, random_str=random_str)  # 报名记录对应的id
                 url_str = url_str.format(enroll_obj_id=enroll_obj.id, random_str=random_str)  # 报名链接
                 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————

             if email:
                 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
                 # msg_mail = "http://127.0.0.1:8000/bpm/customer/registration/%s" %enroll_obj.id
                 msg_mail = "http://127.0.0.1:8000/bpm/customer/registration/%s/%s" %(enroll_obj.id,random_str)
                 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
                 stmpemail.stmps(request, email, msg_mail)  # 发送邮件
                 stmp_mail['ok'] = "邮件已发送成功！"

     else:
         enroll_form = bpm_forms.EnrollmentForm()  # modelform表单
     return render(request, 'bpm_sales/enrollment.html', locals())

 # ————————47PerfectCRM实现CRM客户报名流程————————

 # ————————48PerfectCRM实现CRM客户报名流程学生合同————————
 #学员合同签定
 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
 from django.shortcuts import HttpResponse #页面返回
 # def stu_registration(request,enroll_id):
 def stu_registration(request,enroll_id,random_str):
     # enroll_obj=models.Enrollment.objects.get(id=enroll_id)#获取报名记录
     if cache.get(enroll_id) == random_str:  # 判断链接失效了没有
         enroll_obj = models.Enrollment.objects.get(id=enroll_id)  # 报名记录
 # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————

     # ————————49PerfectCRM实现CRM客户报名流程学生合同表单验证————————
         # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
         if request.method == "POST":
             customer_form = bpm_forms.CustomerForm(request.POST, instance=enroll_obj.customer)  # 生成表单验证
             if customer_form.is_valid():  # 表单验证通过
                 customer_form.save()  # 保存
                 enroll_obj.contract_agreed = True  # 同意协议
                 enroll_obj.save()  # 保存
                 status = 1  # 修改报名状态 # 1 已经报名
                 return render(request, 'bpm_sales/stu_registration.html', locals())

         else:
             if enroll_obj.contract_agreed == True:  # 如果协议已经签订
                 status = 1  # 修改报名状态 # 1 已经报名
             else:
                 status = 0
             customer_form = bpm_forms.CustomerForm(instance=enroll_obj.customer)  # 生成表单
     # customer_form = bpm_forms.CustomerForm(instance=enroll_obj.customer)  # 生成表单
     # ————————49PerfectCRM实现CRM客户报名流程学生合同表单验证————————

         return render(request,'bpm_sales/stu_registration.html',locals())
         # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
 # ————————48PerfectCRM实现CRM客户报名流程学生合同————————
     # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————
     else:
         return HttpResponse('链接失效，非法链接，请自重！')
     # ————————50PerfectCRM实现CRM客户报名流程学生合同URL随机码————————

# sales_views.py