Django框架【五】—教学管理模块代码实现

1.班级课程记录展示

客户成功转化后，就成为我们教学机构的学生，既然是我们学生，那么他是报名的什么课程啊，还有报名的具体是哪一期啊？

学校根据学生报名课程来划分班级，而我们的班级记录表就是用来记录某个班级某一天课程的详细信息，比如课程节次，课程内容，课程作业内容等等。

学生学习记录表就是用来记录某个班级的每一位学生在某一天的课程学习信息，比如他的考勤，作业提交情况，老师对作业的批语等等。

对应的数据表结构之前已详细介绍，不再赘述。

from django.db import models

# Create your models here.

# 课程选择
course_choices = (
    ('Linux', 'Linux高级'),
    ('PythonFullStack', 'Python高级全栈开发'),
    ('BigData', '大数据开发'),
)

# 班级类型
class_type_choices = (('fulltime', '脱产班',),
                      ('online', '网络班'),
                      ('weekend', '周末班',),)

# 分数分类
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'),)

# 记录选项
record_choices = (
    ('checked', "已签到"),
    ('vacate', "请假"),
    ('late', "迟到"),
    ('absence', "缺勤"),
    ('leave_early', "早退"),
)


# 校区表
class Campuses(models.Model):
    """
    校区表
    """
    name = models.CharField(verbose_name='校区', max_length=64)
    address = models.CharField(verbose_name='详细地址', max_length=512, blank=True, null=True)

    def __str__(self):
        return self.name


# 班级表
class ClassList(models.Model):
    """
    班级表
    """
    course = models.CharField("课程名称", max_length=64, choices=course_choices)
    semester = models.IntegerField("学期")  # python20期等
    campuses = models.ForeignKey('Campuses', verbose_name="校区", on_delete=models.CASCADE)
    price = models.IntegerField("学费", default=10000)
    memo = models.CharField('说明', blank=True, null=True, max_length=100)
    start_date = models.DateField("开班日期")
    graduate_date = models.DateField("结业日期", blank=True, null=True)  # 不一定什么时候结业，哈哈，所以可为空

    # contract = models.ForeignKey('ContractTemplate', verbose_name="选择合同模版", blank=True, null=True,on_delete=models.CASCADE)
    teachers = models.ManyToManyField('rbac.UserInfo', verbose_name="老师")  # 对了，还有一点，如果你用的django2版本的，那么外键字段都需要自行写上on_delete=models.CASCADE

    class_type = models.CharField(choices=class_type_choices, max_length=64, verbose_name='班额及类型', blank=True, null=True)

    class Meta:
        unique_together = ("course", "semester", 'campuses')

    def __str__(self):
        return "{}{}({})".format(self.get_course_display(), self.semester, self.campuses)


class Student(models.Model):
    """
    学生表（已报名）
    """
    customer = models.OneToOneField(verbose_name='客户信息', to='customer.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')

    # 学员毕业就业后的相关信息字段，默认为空
    company = models.CharField(verbose_name='公司', max_length=128, blank=True, null=True)
    date = models.DateField(verbose_name='入职时间', help_text='格式yyyy-mm-dd', 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)
    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）
    """
    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='rbac.UserInfo', on_delete=models.CASCADE)
    date = models.DateField(verbose_name="上课日期")
    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=False, verbose_name="本节有作业", blank=True)
    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='得分点', 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)
    class_study_record = models.ForeignKey(verbose_name="第几天课程", to="ClassStudyRecord", on_delete=models.CASCADE)

    record = models.CharField("上课纪录", choices=record_choices, default="checked", max_length=64)
    score = models.IntegerField("本节成绩", choices=score_choices, default=-1)

    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)

    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)

    def __str__(self):
        return "{0}-{1}".format(self.class_study_record, self.student)

    class Meta:
        unique_together = ["student", "class_study_record"]

教学系统详细表结构