1.1：models.py
class Student(models.Model):
"""
学生表（已报名）
"""
customer = models.OneToOneField(verbose_name='客户信息', to='Customer',on_delete=models.CASCADE,null=True,blank=True)
class_list = models.ManyToManyField(verbose_name="已报班级", to='ClassList', blank=True,related_name="students")
emergency_contract = models.CharField(max_length=32, blank=True, null=True, verbose_name='紧急联系人')
company = models.CharField(verbose_name='公司', max_length=128, blank=True, null=True)
location = models.CharField(max_length=64, verbose_name='所在区域', blank=True, null=True)
position = models.CharField(verbose_name='岗位', max_length=64, blank=True, null=True)
salary = models.IntegerField(verbose_name='薪资', blank=True, null=True)
welfare = models.CharField(verbose_name='福利', max_length=256, blank=True, null=True)
date = models.DateField(verbose_name='入职时间', help_text='格式yyyy-mm-dd', blank=True, null=True)
memo = models.CharField(verbose_name='备注', max_length=256, blank=True, null=True)
def __str__(self):
return self.customer.name
class ClassStudyRecord(models.Model):
"""
上课记录表 （班级记录）
学习记录是自己的学习记录,课程记录是大家都有的。
这些重复的 都放到学习记录 会有冗余, 所以把重复的都放到 课程记录里
一对多
一个课程 对应 多个学生
"""
class_obj = models.ForeignKey(verbose_name="班级", to="ClassList",on_delete=models.CASCADE)
day_num = models.IntegerField(verbose_name="节次", help_text=u"此处填写第几节课或第几天课程...,必须为数字")
teacher = models.ForeignKey(verbose_name="讲师", to='UserInfo',on_delete=models.CASCADE)
date = models.DateField(verbose_name="上课日期", auto_now_add=True)
course_title = models.CharField(verbose_name='本节课程标题', max_length=64, blank=True, null=True)
course_memo = models.TextField(verbose_name='本节课程内容概要', blank=True, null=True)
has_homework = models.BooleanField(default=True, verbose_name="本节有作业",)
homework_title = models.CharField(verbose_name='本节作业标题', max_length=64, blank=True, null=True)
homework_memo = models.TextField(verbose_name='作业描述', max_length=500, blank=True, null=True)
exam = models.TextField(verbose_name='踩分点', max_length=300, blank=True, null=True)
def __str__(self):
return "{0} day{1}".format(self.class_obj, self.day_num)
class StudentStudyRecord(models.Model):
'''
学生学习记录
'''
student = models.ForeignKey(verbose_name="学员", to='Student',on_delete=models.CASCADE)
classstudyrecord = models.ForeignKey(verbose_name="第几天课程", to="ClassStudyRecord",on_delete=models.CASCADE)
record_choices = (('checked', "已签到"),
('vacate', "请假"),
('late', "迟到"),
('noshow', "缺勤"),
('leave_early', "早退"),
)
record = models.CharField("上课纪录", choices=record_choices, default="checked", max_length=64)
score_choices = ((100, 'A+'),
(90, 'A'),
(85, 'B+'),
(80, 'B'),
(70, 'B-'),
(60, 'C+'),
(50, 'C'),
(40, 'C-'),
(0, ' D'),
(-1, 'N/A'),
(-100, 'COPY'),
(-1000, 'FAIL'),
)
score = models.IntegerField("本节成绩", choices=score_choices, default=-1)
homework_note = models.CharField(verbose_name='作业评语', max_length=255, blank=True, null=True)
note = models.CharField(verbose_name="备注", max_length=255, blank=True, null=True)
homework = models.FileField(verbose_name='作业文件', blank=True, null=True, default=None)
stu_memo = models.TextField(verbose_name='学员备注', blank=True, null=True)
date = models.DateTimeField(verbose_name='提交作业日期', auto_now_add=True)
def __str__(self):
return "{0}-{1}".format(self.classstudyrecord, self.student)
class Meta:
unique_together=["student","classstudyrecord"]
1.2：url.py
from django.conf.urls import url
from django.contrib import admin
from nbapp import views
urlpatterns = [
# 班级学习记录
url(r'^class_record/', views.ClassRecordView.as_view(), name='class_record'),
# 学详路径
url(r'^study_decord/(\d+)/', views.StudyRecordDeialView.as_view(), name='study_decord'),
]
1.3：views.py
# formset
from django.forms.models import modelformset_factory
from django import forms
# 创建一个forms
class StudyRecordDeialModelForm(forms.ModelForm):
class Meta:
model = models.StudentStudyRecord
# fields = '__all__'
fields = ['score', 'homework_note']
class StudyRecordDeialView(View):
def get(self, request, class_record_id):
class_record_obj = models.ClassStudyRecord.objects.get(pk=class_record_id)
# 找到课程记录的obj
# 找到这个课程记录 所生成的所有学生学习记录
all_study_recored = models.StudentStudyRecord.objects.filter(
classstudyrecord=class_record_obj,
)
form_set_obj = modelformset_factory(model=models.StudentStudyRecord, form=StudyRecordDeialModelForm, extra=0)
# 把这个表给modelformset_factory 针对这行表 进行了modelform的加工 得到了一个对象 form_set_obj
# 最后会多一行,可以用extra=0指定不要多加的这一行
formset = form_set_obj(queryset=all_study_recored)
# 针对StudentStudyRecord表 ,使用StudyRecordDeialModelForm 来加工所有这张表里的all_study_recored记录
# 加工表里的哪些数据 , 通过queryset 指定
return render(request, 'student/study_record_detail.html', {'formset': formset})
def post(self, request, class_record_id):
class_record_obj = models.ClassStudyRecord.objects.get(pk=class_record_id)
all_study_recored = models.StudentStudyRecord.objects.filter(
classstudyrecord=class_record_obj,
)
form_set_obj = modelformset_factory(model=models.StudentStudyRecord, form=StudyRecordDeialModelForm, extra=0)
# 最后会多一行,可以用extra=0指定不要多加的这一行
formset = form_set_obj(request.POST)
if formset.is_valid():
formset.save()
else:
print(formset.errors)
# 因为 效验的是所有的字段 ，所以应该在forms里指定字段
return redirect(reverse('study_decord', args=(class_record_id,)))
1.4：study_record_detail.html
{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="{% static 'bootstrap-3.3.7-dist/css/bootstrap.min.css' %}">
</head>
<body>
<h3 class="text-center">录入{{ class_record_obj.class_obj }}day{{ class_record_obj.day_num }}成绩</h3>
{# 录入Linux中高级10(北京校区)day51成绩 #}
<br>
<hr>
<div class="panel panel-default">
<div class="panel-heading">学习记录</div>
<div class="panel-body">
<div style="width: 680px;margin: 0 auto;">
<form method="post" action="">
{% csrf_token %}
{{ formset.management_form }} <!-- 这句话一定要加上，固定的。是一个modelformset标识符 -->
<table class="table table-bordered">
<thead>
<tr>
<th>姓名</th>
<th>考勤</th>
<th>作业成绩</th>
<th>作业评语</th>
</tr>
</thead>
<tbody>
{% for form in formset %}
<tr>
{{ form.id }}
<td>{{ form.instance.student }}</td>
{# <td>{{ form.student }}</td> #}
{# 默认会自动做成下拉框，如果不让他渲染，那么需要使用 form.instance.student，这是form对象的原值，原来的数据 #}
<td>{{ form.instance.get_record_display }} </td>
<td>{{ form.score }} </td>
<td>{{ form.homework_note }}</td>
</tr>
{% endfor %}
</tbody>
</table>
<input type="submit" value="保存">
</form>
</div>
</div>
</div>
<hr>
</body>
</html>