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120 lines
3.9 KiB
120 lines
3.9 KiB
from django.shortcuts import reverse, redirect
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from django.views.generic import CreateView, UpdateView
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from user.forms import StuRegisterForm, TeaRegisterFrom, StuUpdateForm, TeaUpdateForm
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from user.models import Student, Teacher
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import random
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#
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class CreateStudentView(CreateView):
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model = Student
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form_class = StuRegisterForm
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template_name = "user/register.html"
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success_url = "login"
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def form_valid(self, form):
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grade = form.cleaned_data['grade']
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student_set = Student.objects.filter(grade=grade).order_by("-number")
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# 年级号是学生注册时自己选择的，子学号是注册时按照其年级内注册的先后顺序生成的
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if student_set.count() > 0:
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last_student = student_set[0]
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new_number = str(int(last_student.number) + 1)
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for i in range(6 - len(new_number)):
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new_number = '0' + new_number
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else:
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new_number = '000001'
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# 创建新的学生实例，但不保存
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new_student = form.save(commit=False)
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# 修改学生
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new_student.number = new_number
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# 保存新实例
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new_student.save()
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# 保存表单的多对多数据
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form.save_m2m()
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self.object = new_student
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uid = grade + new_number
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from_url = "register"
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base_url = reverse(self.get_success_url(), kwargs={'kind': 'student'})
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# 学生注册成功后，会返回到该重定向页面所指向的网页，
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# 注册后的账号是后台生成的，注册者并不知道，所以重定向后需要将账号展示给注册者看
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return redirect(base_url + '?uid=%s&from_url=%s' % (uid, from_url))
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def get_context_data(self, **kwargs):
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context = super(CreateStudentView, self).get_context_data(**kwargs)
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context["kind"] = "student"
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return context
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class CreateTeacherView(CreateView):
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model = Teacher
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form_class = TeaRegisterFrom
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template_name = "user/register.html"
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success_url = "login"
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def form_valid(self, form):
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department_no = random.randint(0, 300)
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department_no = '{:0>3}'.format(department_no)
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teacher_set = Teacher.objects.filter(department_no=department_no).order_by("-number")
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if teacher_set.count() > 0:
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last_teacher = teacher_set[0]
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new_number = str(int(last_teacher.number) + 1)
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new_number = '{:0>7}'.format(new_number)
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else:
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new_number = '0000001'
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new_teacher = form.save(commit=False)
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new_teacher.department_no = department_no
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new_teacher.number = new_number
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new_teacher.save()
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form.save_m2m()
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self.object = new_teacher
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uid = department_no + new_number
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from_url = "register"
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base_url = reverse(self.get_success_url(), kwargs={'kind': 'teacher'})
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return redirect(base_url + '?uid=%s&from_url=%s' % (uid, from_url))
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def get_context_data(self, **kwargs):
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context = super(CreateTeacherView, self).get_context_data(**kwargs)
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context["kind"] = "teacher"
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return context
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class UpdateStudentView(UpdateView):
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model = Student
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form_class = StuUpdateForm
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template_name = "user/update.html"
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def get_context_data(self, **kwargs):
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context = super(UpdateStudentView, self).get_context_data(**kwargs)
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context.update(kwargs)
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context["kind"] = "student"
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return context
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def get_success_url(self):
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return reverse("course", kwargs={"kind": "student"})
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class UpdateTeacherView(UpdateView):
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model = Teacher
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form_class = TeaUpdateForm
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template_name = "user/update.html"
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def get_context_data(self, **kwargs):
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context = super(UpdateTeacherView, self).get_context_data(**kwargs)
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context.update(kwargs)
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context["kind"] = "teacher"
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return context
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def get_success_url(self):
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return reverse("course", kwargs={"kind": "teacher"})
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