Django_调查问卷

1  s = [1,4,5,8]
2     s2 = [2,4,7,8,6]
3     print(set(s).difference(s2))  #做差集，在s中找和s2不同的元素  {1, 5}
4     print(set(s2).difference(s))  #做差集，在s2中找和s不同的元素  {2, 6, 7}
5     print(set(s)-set(s2))  #这种方式和上面的一样   {1, 5}
6     print(set(s2)^set(s))  #交集   {1, 2, 5, 6, 7}
7     print(set(s2)|set(s))   #并集  {1, 2, 4, 5, 6, 7, 8}

 1 # def outer():
 2 #     a=1
 3 #     def inner():
 4 #         for b in range(10):
 5 #             yield a
 6 #
 7 #     return inner()
 8 # for i in outer():
 9 #     print(i)
10 
11 
12 # class P:
13 #     pass
14 # print(‘type(P)---‘,type(P))
15 # print(‘P.__name__===‘,P.__name__)
16 #
17 # f = type(‘W‘,(object,),{})
18 # print(‘type(f)---‘,type(f))
19 # print(‘f.__name__===‘,f.__name__)
20 
21 
22 
23 # x = set(‘pwf‘)
24 # y = set(‘pwf123‘)
25 #
26 # print(y - x)  # {‘2‘, ‘3‘, ‘1‘}
27 # print(x - y)  # set()
28 
29 # l = []
30 # d =  {‘option_1‘: ‘2‘, ‘option_2‘: ‘4‘, ‘val_3‘: ‘4‘, ‘text_4‘: ‘123123123213213213213‘}
31 # for k,v in d.items() :
32 #     # print(‘k‘,k,‘v‘,v)
33 #     key,qid = k.rsplit(‘_‘,1)
34 #     # print(key,qid)
35 #     answer_dict = {‘stu_id‘: id, ‘que_id‘: qid, key: v}
36 #     print(answer_dict)
37 #     l.append(answer_dict)
38 # print(l)

from django.db import models

# Create your models here.
class UserInfo(models.Model):
    ‘‘‘
    员工表
    ‘‘‘
    name = models.CharField(max_length=12)
    password = models.CharField(max_length=32)

    def __str__(self):
        return self.name
class ClassList(models.Model):
    ‘‘‘
    班级表
    ‘‘‘
    title = models.CharField(max_length=32,verbose_name=‘班级名称‘)
    def __str__(self):
        return self.title
class Student(models.Model):
    ‘‘‘
    道友表
    ‘‘‘
    name = models.CharField(max_length=12,verbose_name=‘道友姓名‘)
    password = models.CharField(max_length=24,verbose_name=‘道友密码‘)
    classlist = models.ForeignKey(to=ClassList,verbose_name=‘道友所在班级‘)
    def __str__(self):
        return self.name
class QuestionNaire(models.Model):
    ‘‘‘
    问卷表
    ‘‘‘
    title = models.CharField(max_length=64,verbose_name=‘问卷标题‘)
    classlist = models.ForeignKey(to=ClassList,verbose_name=‘答问卷的班级‘)
    creator = models.ForeignKey(to=UserInfo,verbose_name=‘创建问卷的辣个银‘)
    def __str__(self):
        return self.title

class Question(models.Model):
    ‘‘‘
    问题表
    ‘‘‘
    caption = models.CharField(max_length=64,verbose_name=‘问题‘)
    question_type = (
        (1,‘打分‘),
        (2,‘单选‘),
        (3,‘评价‘),
    )
    tp = models.IntegerField(choices=question_type)
    questionnaire = models.ForeignKey(to=QuestionNaire,verbose_name=‘该问卷下的问题‘,default=1)
    def __str__(self):
       return self.caption


class Option(models.Model):
    ‘‘‘
    单选题的选项
    ‘‘‘
    option_name = models.CharField(max_length=32,verbose_name=‘选项名称‘)
    score = models.IntegerField(verbose_name=‘选项对应的分值‘)
    question = models.ForeignKey(to=Question,verbose_name=‘所在的问题‘)
    def __str__(self):
        return self.option_name

class Answer(models.Model):
    ‘‘‘
    Answer my questions
    ‘‘‘
    val = models.IntegerField(verbose_name=‘打分项的得分‘,null=True,blank=True)
    content = models.CharField(max_length=255,null=True,blank=True,verbose_name=‘评价‘)
    student = models.ForeignKey(to=Student,verbose_name=‘哪位道友答的题‘)
    question = models.ForeignKey(to=Question,verbose_name=‘答的是哪道题‘)
    option = models.ForeignKey(to=Option,verbose_name=‘单选选项‘,null=True)
    def __str__(self):
        return self.val

 1 from django.forms import Form       #代表类的基类
 2 from django.forms import fields     #代表字段
 3 from django.forms import widgets    #插件
 4 from django.forms import ModelForm  #代表数据库和form可以一起用
 5 from app01 import models
 6 
 7 class QuestionNaire_Form(Form):
 8     ‘‘‘添加页面的Form验证‘‘‘
 9     title = fields.CharField(required=True,max_length=64,
10                                 error_messages={
11                                     ‘required‘ : ‘问卷标题不可以为空!‘,
12                                     ‘max_length‘ : ‘超过最大长度‘
13                                 },
14                                 widget=widgets.Textarea(attrs={‘placeholder‘:‘请输入问卷标题‘,‘type‘:‘text‘,‘style‘:‘width:80%;height:100px;‘,‘class‘:‘form-control qn_title‘}))
15 
16     classlist = fields.ChoiceField(required=True,initial=1,
17                                        error_messages={‘required‘:‘请选择班级‘},widget=widgets.Select)
18 
19     # fields.RegexField()
20     # 实时更新问卷列表
21     def __init__(self,*args,**kwargs):
22         super(QuestionNaire_Form, self).__init__(*args,**kwargs)
23         self.fields[‘classlist‘].choices = models.ClassList.objects.values_list("id","title")
24 
25 
26 
27 class QuestionModelForm(ModelForm):
28     class Meta:
29         model = models.Question
30         fields = [‘caption‘,‘tp‘]     #这两行代表  拿到当前表所有的字段
31                                       #这个fields 是按照models里面写的字段格式在前端页面生成相应的东西.
32         widgets={‘caption‘:widgets.Textarea(attrs={‘style‘:‘width:600px;height:80px‘,‘class‘:‘form-control‘,‘placeholder‘:‘请输入问题名称‘})}
33 class OptionModelForm(ModelForm):
34     class Meta:
35         model = models.Option
36         fields = [‘option_name‘,‘score‘]