Pycharm+django2.2+python3.6+MySQL实现简单的考试报名系统

 DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME':'cet',    #数据库名字 'USER':'root',   #登陆数据库的用户名 'PASSWORD':'123',   #登陆数据库的密码 'HOST':'localhost',   #数据库的ip地址 'PORT':'3306',   #ip地址的端口号，默认（3306） } }

 django-admin startproject project_name #创建项目 python manage.py startapp app_name  #创建app(可能会报错) #上面创建app失败用下面这个指令 django-admin startapp app_name 1.2.2 注册app INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'login',   #登录注册 'captcha',  #验证码 'home',   #报名主页 ]

 LANGUAGE_CODE = 'zh-hans' TIME_ZONE = 'Asia/Shanghai' USE_I18N = True USE_L10N = True USE_TZ = False

 python manage.py makemigrations python manage.py migrate

 python manage.py createsuperuser

 #login/models.py from django.db import models # Create your models here. class User(models.Model): '''用户表''' gender = ( ('male', '男'), ('female', '女'), ) name = models.CharField(verbose_name="用户名", max_length=128, unique=True) # unique表示唯一 password = models.CharField(verbose_name="密码", max_length=256) email = models.EmailField(verbose_name="邮箱", unique=True) sex = models.CharField(verbose_name="性别", max_length=32, choices=gender, default='男') c_time = models.DateTimeField(auto_now_add=True) def __str__(self): return self.name #用于将django自带管理员端汉化 class Meta: ordering = ['c_time'] verbose_name = '用户' verbose_name_plural = '用户'

 #login/admin.py from django.contrib import admin # Register your models here. from . import models admin.site.register(models.User)

 #login/forms.py from django import forms from captcha.fields import CaptchaField class user_entry(forms.Form): user_name = forms.CharField(label="用户名", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) user_true_name = forms.CharField(label="真实姓名", max_length=128,widget=forms.TextInput(attrs={'class': 'form-control'})) user_id = forms.CharField(label="身份证号", max_length=18, widget=forms.TextInput(attrs={'class': 'form-control'})) email = forms.EmailField(label="邮箱地址", widget=forms.EmailInput(attrs={'class': 'form-control'})) exam_point = forms.CharField(label="考点", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) class user_datas(forms.Form): email = forms.EmailField(label="邮箱地址", widget=forms.EmailInput(attrs={'class': 'form-control'})) user_name = forms.CharField(label="用户名", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) user_true_name = forms.CharField(label="真实姓名", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) user_id = forms.CharField(label="身份证号", max_length=18, widget=forms.TextInput(attrs={'class': 'form-control'})) # user_img = user_school = forms.CharField(label="所在学校", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) # user_f_score = forms.CharField(label="四级成绩", max_length=10, widget=forms.TextInput(attrs={'class': 'form-control'})) # user_s_score = forms.CharField(label="六级成绩", max_length=10, widget=forms.TextInput(attrs={'class': 'form-control'}))

 #项目名/urls.py from django.contrib import admin from django.urls import path,include from login import views urlpatterns = [ path('', views.index),  #修改端口默认主页 path('admin/', admin.site.urls), #管理员端 #登录注册 path('index/', views.index), path('check/', views.check), path('login/', views.login), path('register/', views.register), path('logout/', views.logout), #使用验证码 path('captcha', include('captcha.urls')), #报名app路由 path('homepage/',include('home.urls')), ]

 #login/views.py from django.shortcuts import render, redirect from . import models from .forms import UserForm,RegisterForm from home.models import user_data # Create your views here. def check(request): pass return render(request, 'login/hello.html') def index(request): pass return render(request, 'login/index.html') #加入sesson def login(request): #不允许重复登录 if request.session.get('is_login', None): return redirect('/index') if request.method == "POST": login_form = UserForm(request.POST) message = "请检查填写的内容！" if login_form.is_valid(): username = login_form.cleaned_data['username'] password = login_form.cleaned_data['password'] try: user = models.User.objects.get(name=username) if user.password == password: #往session字典内写入用户状态和数据 request.session['is_login'] = True request.session['user_id'] = user.id request.session['user_name'] = user.name return redirect('/index/') else: message = "密码不正确！" except: message = "用户不存在！" return render(request, 'login/login.html', locals()) login_form = UserForm() return render(request, 'login/login.html', locals()) def logout(request): if not request.session.get('is_login', None): # 如果本来就未登录，也就没有登出一说 return redirect("/index/") request.session.flush() # 或者使用下面的方法 # del request.session['is_login'] # del request.session['user_id'] # del request.session['user_name'] return redirect("/index/") def register(request): if request.session.get('is_login', None): # 登录状态不允许注册。 return redirect("/index/") if request.method == "POST": register_form = RegisterForm(request.POST) message = "请检查填写的内容！" if register_form.is_valid(): # 获取数据 username = register_form.cleaned_data['username'] password1 = register_form.cleaned_data['password1'] password2 = register_form.cleaned_data['password2'] email = register_form.cleaned_data['email'] sex = register_form.cleaned_data['sex'] if password1 != password2: # 判断两次密码是否相同 message = "两次输入的密码不同！" return render(request, 'login/register.html', locals()) else: same_name_user = models.User.objects.filter(name=username) if same_name_user: # 用户名唯一 message = '用户已经存在，请重新选择用户名！' return render(request, 'login/register.html', locals()) same_email_user = models.User.objects.filter(email=email) if same_email_user: # 邮箱地址唯一 message = '该邮箱地址已被注册，请使用别的邮箱！' return render(request, 'login/register.html', locals()) message = "注册成功！" # 当一切都OK的情况下，创建新用户 # 创建用户信息//有问题：放在创建用户表后面会出现DJANGO pymysql.err.IntegrityError: # (1062, "Duplicate entry '' for key 'user_name'") new_user_data = user_data.objects.create() new_user_data.user_name = username new_user_data.user_true_name = '无' new_user_data.user_id = '无' new_user_data.user_school = '无' # new_user_data.user_f_score = 425 # new_user_data.user_s_score = 0 new_user_data.save() #创建用户表 new_user = models.User.objects.create() new_user.name = username new_user.password = password1 new_user.email = email new_user.sex = sex new_user.save() return redirect('/login/') # 自动跳转到登录页面 register_form = RegisterForm() return render(request, 'login/register.html', locals())

 #home/models.py from django.db import models # Create your models here. class exam_entry_table(models.Model): #考点信息表 exam_id = models.CharField(verbose_name="考试编号",max_length=10) exam_type = models.CharField(verbose_name="考试类别",max_length=128) exam_point = models.CharField(verbose_name="考点",max_length=128) exam_time = models.CharField(verbose_name="考试时间",max_length=128) number = models.IntegerField(verbose_name="容量") entry_number = models.IntegerField(verbose_name="已报名数量",default=0) def __str__(self): return self.exam_point class Meta: # ordering = ['c_time'] verbose_name = '考点' verbose_name_plural = '考点信息表' class user_entry_table(models.Model): #用户考试信息表 email = models.EmailField(verbose_name="邮箱") exam_id = models.CharField(verbose_name="考试编号",max_length=10) exam_point = models.CharField(verbose_name="考点",max_length=128) def __str__(self): return self.email class Meta: # ordering = ['c_time'] verbose_name = '用户考试信息' verbose_name_plural = '用户考试信息表' class user_data(models.Model): #用户信息表 user_name = models.CharField(verbose_name="用户名",max_length=128, unique=True) user_true_name = models.CharField(verbose_name="真实姓名",max_length=128, null=True) user_id = models.CharField(verbose_name="身份证号",max_length=18, null=True) # user_img = user_school = models.CharField(verbose_name="在读学校",max_length=128) user_f_score = models.IntegerField(verbose_name="四级成绩", default=0) user_s_score = models.IntegerField(verbose_name="六级成绩", default=0) def __str__(self): return self.user_name class Meta: # ordering = ['c_time'] verbose_name = '用户名' verbose_name_plural = '用户信息表'

 #home/admin.py from django.contrib import admin # Register your models here. from . import models admin.site.register(models.exam_entry_table) #考点信息表 admin.site.register(models.user_entry_table) #用户考试信息表 admin.site.register(models.user_data)  #用户信息表 

 #home/forms.py from django import forms from captcha.fields import CaptchaField class UserForm(forms.Form): username = forms.CharField(label="用户名", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) password = forms.CharField(label="密码", max_length=256, widget=forms.PasswordInput(attrs={'class': 'form-control'})) captcha = CaptchaField(label='验证码') class RegisterForm(forms.Form): gender = ( ('male', "男"), ('female', "女"), ) username = forms.CharField(label="用户名", max_length=128, widget=forms.TextInput(attrs={'class': 'form-control'})) password1 = forms.CharField(label="密码", max_length=256, widget=forms.PasswordInput(attrs={'class': 'form-control'})) password2 = forms.CharField(label="确认密码", max_length=256, widget=forms.PasswordInput(attrs={'class': 'form-control'})) email = forms.EmailField(label="邮箱地址", widget=forms.EmailInput(attrs={'class': 'form-control'})) sex = forms.ChoiceField(label='性别', choices=gender) captcha = CaptchaField(label='验证码')

 #项目名/urls.py path('homepage/',include('home.urls')), #前面已经添加了，这里只做说明

 #home/urls.py from django.contrib import admin from django.urls import path,include from home import views urlpatterns = [ path('test/', views.test), path('my_data/',views.mydate),   #我的信息 path('query_results/',views.query), #查询报告信息 path('cet_4/',views.cet_4),   #四级报名 path('cet_6/',views.cet_6),   #六级报名 path('change_my_data/',views.updata), ]

 #home/views.py from django.shortcuts import render, redirect from . import models from .forms import user_entry, user_datas from django.http import HttpResponse,HttpResponseRedirect # from django.contrib.auth.models import User from login.models import User # Create your views here. def test(request): pass return render(request, 'home/test.html') #我的信息 def mydate(request): username = request.session.get('user_name', None) account = User.objects.get(name=username)#用户登录注册表 user = models.user_data.objects.get(user_name= username) return render(request,"home/myself.html",{"user":user, "account":account}) #修改我的信息 def updata(request): username = request.session.get('user_name', None) # print("-----------------------") # print(username) # print("-----------------------") user_da = models.user_data.objects.get(user_name=username) user = User.objects.get(name=username)#login_user表 if request.method == "POST": userdata = user_datas(request.POST) # print(userdata) if userdata.is_valid(): user_das = userdata.cleaned_data # user.user_name = user_da['user_name'] #用户无法修改用户名 user.email = user_das['email'] user_da.user_true_name = user_das['user_true_name'] user_da.user_id = user_das['user_id'] user_da.user_school = user_das['user_school'] user_da.save() user.save() # 四六级成绩无法修改 # user_datas.user_f_score = user_da['user_f_score'] # user_datas.user_s_score = user_da['user_s_score'] return redirect('/homepage/my_data/') else: userdata = user_datas(initial={"email":user.email,"user_name":user_da.user_name,"user_true_name":user_da.user_true_name,"user_id":user_da.user_id,"user_school":user_da.user_school}) return render(request, 'home/change_mydata.html', {"userdata":userdata}) #查询考试信息 还没完成，优化，条件判断 def query(request): username = request.session.get('user_name',None) user = User.objects.get(name=username) #用于判断用户是否报名 user_en = models.user_entry_table.objects.filter(email=user.email) # print("********************") # print(user_en) # print(user_en[0]) if user_en: # print(len(user_en)) if len(user_en)==1: user_entry = models.user_entry_table.objects.get(email=user.email) user_point = user_entry.exam_point user_eid = user_entry.exam_id exam_entry = models.exam_entry_table.objects.get(exam_point=user_point, exam_id=user_eid) return render(request, 'home/query1.html', {"exam_entry": exam_entry}) else: user_entry4 = models.user_entry_table.objects.get(email=user.email, exam_id=0) user_entry6 = models.user_entry_table.objects.get(email=user.email, exam_id=1) user_point4 = user_entry4.exam_point user_point6 = user_entry6.exam_point exam_entry4 = models.exam_entry_table.objects.get(exam_point=user_point4, exam_id=0) exam_entry6 = models.exam_entry_table.objects.get(exam_point=user_point6, exam_id=1) return render(request, 'home/query2.html', {"exam_entry4": exam_entry4, "exam_entry6":exam_entry6}) else: # message = "你还未报名！请先报名之后再来查看！" # return render(request, 'login/index.html', locals()) user_da = models.user_data.objects.get(user_name=user.name) school = user_da.user_school if school=='无': message = "请先更新你的学校信息！" return render(request, 'login/index.html', locals()) else: point = models.exam_entry_table.objects.filter(exam_point=school) if point: if len(point)==1: exam = models.exam_entry_table.objects.get(exam_point=school) return render(request, 'home/exam1.html', {"exam": exam}) else: exam4 = models.exam_entry_table.objects.get(exam_point=school, exam_id=0) exam6 = models.exam_entry_table.objects.get(exam_point=school, exam_id=1) return render(request, 'home/exam2.html', {"exam4": exam4, "exam6": exam6}) else: message="你的学校还未开放报名！详情请咨询学校相关部门！" return render(request, 'login/index.html', locals()) #四级报名 def cet_4(request): username = request.session.get('user_name', None) # 用户信息表,用户表，获取信息判断资格 user_da = models.user_data.objects.get(user_name=username) user = User.objects.get(name=username) if request.method == "POST": cet4_form = user_entry(request.POST) if cet4_form.is_valid(): # 四级考试对分数无要求 # 只需要获取报考考点信息即可 # email = cet4_form.cleaned_data['email'] exam_id = '0' exam_point = cet4_form.cleaned_data['exam_point'] #用与下面的考点判断 point = models.exam_entry_table.objects.filter(exam_point=exam_point, exam_id='0') # 用与下面的是否重复报名判断 entryer = models.user_entry_table.objects.filter(email=user.email, exam_id=exam_id) #判断个人信息是否完善 if user_da.user_true_name=='无'or user_da.user_id=='无': message="请先完善个人真实信息之后再来报名！" return render(request, 'home/cet_4.html', locals()) # 判断是否重复报名 # print("判断是否重复报名") elif entryer: message = "请勿重复报名！" return render(request, 'home/cet_4.html', locals()) elif point: # 考点存在 # print("没有重复报名") message = "报名成功！请按时参加考试！" # 创建一条数据 new_user = models.user_entry_table.objects.create() new_user.email = user.email new_user.exam_id = exam_id new_user.exam_point = exam_point new_user.save() # 考点容量减1,报考人数加1 exam_entry = models.exam_entry_table.objects.get(exam_point=exam_point, exam_id=exam_id) exam_entry.number -= 1 exam_entry.entry_number += 1 exam_entry.save() return render(request, 'home/cet_4.html', locals()) else: message = "该学校还未开放报名！详情请咨询学校相关部门！" return render(request, 'home/cet_4.html', locals()) cet4_form = user_entry(initial={"email": user.email, "user_name": user_da.user_name, "user_true_name": user_da.user_true_name, "user_id": user_da.user_id}) return render(request, 'home/cet_4.html', locals()) #六级报名： def cet_6(request): username = request.session.get('user_name', None) # 用户信息表,用户表，获取信息判断资格 user_da = models.user_data.objects.get(user_name=username) user = User.objects.get(name=username) if request.method == "POST": cet6_form = user_entry(request.POST) if cet6_form.is_valid(): # 只需要获取报考考点信息即可 # email = cet4_form.cleaned_data['email'] exam_id = '1' exam_point = cet6_form.cleaned_data['exam_point'] f_score = user_da.user_f_score # 用与下面的考点判断 point = models.exam_entry_table.objects.filter(exam_point=exam_point, exam_id=exam_id) # 用与下面的是否重复报名判断 entryer = models.user_entry_table.objects.filter(email=user.email, exam_id=exam_id) # 判断个人信息是否完善 if user_da.user_true_name=='无'or user_da.user_id=='无': message="请先完善个人真实信息之后再来报名！" return render(request, 'home/cet_6.html', locals()) # 判断是否重复报名 elif entryer: # print("判断是否重复报名") message = "请勿重复报名！" return render(request, 'home/cet_6.html', locals()) # 判断考点是否存在 elif point: # 考点存在 #判断四级成绩是否合格 if f_score >= 425: # print("报名成功！请按时参加考试！") # 创建一条数据 message = "报名成功！请按时参加考试！" new_user = models.user_entry_table.objects.create() new_user.email = user.email new_user.exam_id = exam_id new_user.exam_point = exam_point new_user.save() # 考点容量减1,报考人数加1 exam_entry = models.exam_entry_table.objects.get(exam_point=exam_point, exam_id=exam_id) exam_entry.number -= 1 exam_entry.entry_number += 1 exam_entry.save() return render(request, 'home/cet_6.html', locals()) else: message = "四级成绩大于425才能报名六级考试！" return render(request, 'home/cet_6.html', locals()) else: message = "该学校还未开放报名！详情请咨询学校相关部门！" return render(request, 'home/cet_6.html', locals()) cet6_form = user_entry( initial={"email": user.email, "user_name": user_da.user_name, "user_true_name": user_da.user_true_name, "user_id": user_da.user_id}) return render(request, 'home/cet_6.html', locals())