學院管理系統（mysql版）
阿新 • • 發佈：2017-06-03
desc pen 退出 strip() log mod 創建 print status 
需求
用戶角色，講師＼學員， 用戶登陸後根據角色不同，能做的事情不同，分別如下
講師視圖
管理班級，可創建班級，根據學員qq號把學員加入班級
可創建指定班級的上課紀錄，註意一節上課紀錄對應多條學員的上課紀錄， 即每節課都有整班學員上， 為了紀錄每位學員的學習成績，需在創建每節上課紀錄是，同時 為這個班的每位學員創建一條上課紀錄
為學員批改成績， 一條一條的手動修改成績
學員視圖
提交作業
查看作業成績
一個學員可以同時屬於多個班級，就像報了Linux的同時也可以報名Python一樣， 所以提交作業時需先選擇班級，再選擇具體上課的節數
附加：學員可以查看自己的班級成績排名
表結構
部分代碼
from sqlalchemy import create_engine,Column, Integer, String from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import ForeignKey,Table from sqlalchemy.orm import relationship ############創建數據表結構######################3 # 創建實例，並連接work庫 engine = create_engine("mysql+pymysql://root:@localhost/home_work?charset=utf8表結構") Base = declarative_base() # 生成orm基類 # 班級與講師的對應關系表 teacher_m2m_class = Table("teacher_m2m_class",Base.metadata, Column("teacher_id", Integer, ForeignKey("teacher.teacher_id")), Column("class_id", Integer, ForeignKey("class.class_id")), )# 班級與學生的對應關系表 class_m2m_student = Table("class_m2m_student",Base.metadata, Column("class_id",Integer,ForeignKey("class.class_id")), Column("stu_id", Integer, ForeignKey("student.stu_id")), ) class Class_m2m_Lesson(Base): ‘‘‘班級和課節對應表‘‘‘ __tablename__ = "class_m2m_lesson" id = Column(Integer, primary_key=True) class_id = Column(Integer,ForeignKey("class.class_id")) lesson_id = Column(Integer, ForeignKey("lesson.lesson_id")) classes = relationship("Class",backref="class_m2m_lessons") lessons = relationship("Lesson", backref="class_m2m_lessons") def __repr__(self): return "%s %s" % (self.classes,self.lessons) class Study_record(Base): "上課記錄" __tablename__ = "study_record" id = Column(Integer,primary_key=True) class_m2m_lesson_id = Column(Integer,ForeignKey("class_m2m_lesson.id")) stu_id = Column(Integer, ForeignKey("student.stu_id")) status = Column(String(32),nullable=False) score = Column(Integer,nullable=True) class_m2m_lessons = relationship("Class_m2m_Lesson",backref="my_study_record") students = relationship("Student", backref="my_study_record") def __repr__(self): return "\033[35;0m%s,%s,狀態：【%s】,成績：【%s】\33[0m"%(self.class_m2m_lessons,self.students,self.status,self.score) class Teacher(Base): "講師" __tablename__ = "teacher" teacher_id = Column(Integer, primary_key=True) teacher_name = Column(String(32), nullable=False, unique=True) #唯一 classes = relationship("Class", secondary=teacher_m2m_class, backref="teachers") def __repr__(self): return "講師：【%s】"%self.teacher_name class Class(Base): "班級" __tablename__ ="class" class_id = Column(Integer, primary_key=True) class_name = Column(String(32), nullable=False,unique=True) course = Column(String(32), nullable=False) students = relationship("Student",secondary=class_m2m_student,backref="classes") def __repr__(self): return "班級名：【%s】"%self.class_name class Student(Base): "學生" __tablename__ ="student" stu_id = Column(Integer, primary_key=True) stu_name = Column(String(32), nullable=False, unique=True) QQ = Column(Integer(), nullable=False) def __repr__(self): return "學生名：【%s】"%self.stu_name class Lesson(Base): "課節" __tablename__ = "lesson" lesson_id = Column(Integer, primary_key=True) lesson_name = Column(String(32), nullable=False, unique=True) def __repr__(self): return "節次名：【%s】"%self.lesson_name Base.metadata.create_all(engine)
from sqlalchemy import desc from .models import Teacher,Class,Student,Lesson,Class_m2m_Lesson,Study_record import random class Student_Center(object): "學生視圖" def __init__(self,session): self.session = session self.authentication() self.handler() def handler(self): while True: print(‘‘‘\n\33[35;1m———歡迎來【%s】進入學員管理系統————\33[0m \n \33[34;0mup_homework 上傳作業 show_homework 查看作業成績 show_rank 查看班級排名 exit 退出管理系統 \33[0m‘‘‘ % self.student_obj.stu_name) user_func = input("\033[34;0m請輸入進行操作的命令:\033[0m").strip() if hasattr(self, user_func): getattr(self, user_func)() def authentication(self): ‘‘‘認證‘‘‘ while True: student_name = input("\033[34;0m請輸入學生名:\033[0m").strip() self.student_obj = self.session.query(Student).filter_by(stu_name=student_name).first() if not self.student_obj: print("\33[31;1m輸入錯誤：請輸入有效的學生名\33[0m") continue else: # print(self.teacher_obj) break def up_homework(self): "上傳作業" class_name = input("\033[34;0m請輸入班級名:\033[0m") for class_obj in self.student_obj.classes: print(class_obj.class_name) if class_name == class_obj.class_name: lesson_name = input("\033[34;0m請輸入的課節名（lesson）:\033[0m") lesson_obj = self.session.query(Lesson).filter_by(lesson_name=lesson_name).first() if lesson_obj: # 輸入的lesson名字存在 class_m2m_lesson_obj = self.session.query(Class_m2m_Lesson).filter( Class_m2m_Lesson.class_id == class_obj.class_id). filter(Class_m2m_Lesson.lesson_id == lesson_obj.lesson_id).first() if class_m2m_lesson_obj: # 班級對應的課lesson表數據存在 study_record_obj = self.session.query(Study_record).filter( Study_record.class_m2m_lesson_id == class_m2m_lesson_obj.id).filter( Study_record.stu_id == self.student_obj.stu_id).first() if study_record_obj: # 上課記錄存在 score = random.randint(10,100) study_record_obj.score = score self.session.commit() print("上傳成功") else: print("\33[31;1m系統錯誤：當前上課記錄已經創建\33[0m") else: print("\33[31;1m系統錯誤：lesson未創建\33[0m") def show_homework(self): ‘‘‘查看作業成績‘‘‘ class_name = input("\033[34;0m請輸入學習記錄的班級名:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if class_obj: lesson_name = input("\033[34;0m請輸入學習記錄的課節名（lesson）:\033[0m") lesson_obj = self.session.query(Lesson).filter_by(lesson_name=lesson_name).first() if lesson_obj: # 輸入的lesson名字存在 class_m2m_lesson_obj = self.session.query(Class_m2m_Lesson).filter( Class_m2m_Lesson.class_id == class_obj.class_id). filter(Class_m2m_Lesson.lesson_id == lesson_obj.lesson_id).first() if class_m2m_lesson_obj: # 班級對應的課lesson表數據存在 study_record_objs = self.session.query(Study_record).filter( Study_record.class_m2m_lesson_id == class_m2m_lesson_obj.id).all() for obj in study_record_objs: if obj.stu_id == self.student_obj.stu_id: print(obj) def show_rank(self): ‘‘‘查看排名‘‘‘ class_name = input("\033[34;0m請輸入學習記錄的班級名:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if class_obj: lesson_name = input("\033[34;0m請輸入學習記錄的課節名（lesson）:\033[0m") lesson_obj = self.session.query(Lesson).filter_by(lesson_name=lesson_name).first() if lesson_obj: # 輸入的lesson名字存在 class_m2m_lesson_obj = self.session.query(Class_m2m_Lesson).filter( Class_m2m_Lesson.class_id == class_obj.class_id). filter(Class_m2m_Lesson.lesson_id == lesson_obj.lesson_id).first() if class_m2m_lesson_obj: # 班級對應的課lesson表數據存在 score_rank_obj = self.session.query(Study_record).order_by(desc(Study_record.score)) for obj in score_rank_obj: if obj.class_m2m_lesson_id == class_m2m_lesson_obj.id: print(obj)學生視圖
from .models import Teacher,Class,Student,Lesson,Class_m2m_Lesson,Study_record,class_m2m_student class Teacher_Center(object): "講師視圖" def __init__(self,session): self.session = session self.authentication() self.handler() def handler(self): while True: print(‘‘‘\n\33[35;1m———歡迎來【%s】進入講師管理系統————\33[0m \n \33[34;0mshow_classes 顯示可管理的班級 add_class 創建班級 add_student 添加學員 add_lesson 添加課程節次 add_studyrecord 創建上課記錄 modify_scores 修改學員成績 exit 退出管理系統 \33[0m‘‘‘ % self.teacher_obj.teacher_name) user_func = input("\033[34;0m請輸入進行操作的命令:\033[0m").strip() if hasattr(self, user_func): getattr(self, user_func)() def authentication(self): ‘‘‘認證‘‘‘ while True: teacher_name = input("\033[34;0m請輸入講師名:\033[0m").strip() self.teacher_obj = self.session.query(Teacher).filter_by(teacher_name=teacher_name).first() if not self.teacher_obj: print("\33[31;1m輸入錯誤：請輸入有效的講師名\33[0m") continue else: #print(self.teacher_obj) break def add_class(self): ‘‘‘創建班級‘‘‘ class_name = input("\033[34;0m請輸入創建班級的名稱:\033[0m") course = input("\033[34;0m請輸入創建班級的類型:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if not class_obj: class_new = Class(class_name=class_name,course=course) self.teacher_obj.classes.append(class_new) self.session.add(class_new) self.session.commit() print("\033[34;1m班級創建成功\033[0m") else: print("\33[31;1m系統錯誤：班級已經存在\33[0m") def show_classes(self): ‘‘‘查看所有的班級‘‘‘ print(self.teacher_obj) for class_obj in self.teacher_obj.classes: print("講師：【%s】\t班級：【%s】\t類型：【%s】" % (class_obj.teachers[0].teacher_name, class_obj.class_name,class_obj.course)) def add_student(self): ‘‘‘添加學員‘‘‘ class_name = input("\033[34;0m請輸入要添加學員的班級名:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if class_obj and class_obj.teachers[0] == self.teacher_obj: stu_name = input("\033[34;0m請輸入學員的姓名:\033[0m") QQ = input("\033[34;0m請輸入學員的QQ號:\033[0m") student_obj = self.session.query(Student).filter_by(QQ = QQ).first() if student_obj: if student_obj.stu_name not in class_obj.students: class_obj.students.append(student_obj) self.session.add(class_obj) self.session.commit() print("\033[34;1m學員添加成功\033[0m") else: print("\33[31;1m系統錯誤：學員已經存在此班中\33[0m") elif not student_obj: student_new = Student(stu_name=stu_name, QQ=QQ) class_obj.students.append(student_new) self.session.add(student_new) self.session.commit() print("\033[34;1m學員添加成功\033[0m") else: print("\33[31;1m系統錯誤：學員已經存在\33[0m") else: print("\33[31;1m輸入錯誤：班級不存在或沒有權限管理此班級\33[0m") def add_lesson(self): ‘‘‘添加課程節次‘‘‘ class_name = input("\033[34;0m請輸入要添加lesson的班級名:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if class_obj and class_obj.teachers[0] == self.teacher_obj: #輸入的班級名存在且在屬於當前老師管理 lesson_name = input("\033[34;0m請輸入添加的lesson名（類day1）:\033[0m") lesson_obj = self.session.query(Lesson).filter_by(lesson_name=lesson_name).first() if not lesson_obj: #輸入的lesson名字不存在 print("lesson 不存在") lesson_obj = Lesson(lesson_name=lesson_name) #增加lesson表數據 self.session.add(lesson_obj) self.session.commit() rest = self.session.query(Class_m2m_Lesson).filter(Class_m2m_Lesson.class_id==class_obj.class_id). filter(Class_m2m_Lesson.lesson_id==lesson_obj.lesson_id).first() if not rest: #如果class_m2m_lesson沒有存儲班級和課節的對應關系 print("class:%s----lesson:%s"%(class_obj.class_id,lesson_obj.lesson_id)) class_m2m_lesson_new = Class_m2m_Lesson(class_id=class_obj.class_id,lesson_id=lesson_obj.lesson_id) self.session.add(class_m2m_lesson_new) #創建class_m2m_lesson對應關系 self.session.commit() else: print("\33[31;1m輸入錯誤：班級不存在或沒有權限管理此班級\33[0m") def add_studyrecord(self): ‘‘‘添加學習記錄‘‘‘ class_name = input("\033[34;0m請輸入要添加學習記錄的班級名:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if class_obj and class_obj.teachers[0] == self.teacher_obj: # 輸入的班級名存在且在屬於當前老師管理 lesson_name = input("\033[34;0m請輸入添加學習記錄的課節名（lesson）:\033[0m") lesson_obj = self.session.query(Lesson).filter_by(lesson_name=lesson_name).first() if lesson_obj: # 輸入的lesson名字存在 class_m2m_lesson_obj = self.session.query(Class_m2m_Lesson).filter(Class_m2m_Lesson.class_id == class_obj.class_id). filter(Class_m2m_Lesson.lesson_id == lesson_obj.lesson_id).first() if class_m2m_lesson_obj: # 班級對應的課lesson表數據存在 study_record_obj = self.session.query(Study_record).filter_by(class_m2m_lesson_id=class_m2m_lesson_obj.id).first() if not study_record_obj: # 上課記錄為創建 for student_obj in class_obj.students: status = input("輸入學生 %s 的上課狀態（yes/no）："%student_obj.stu_name) study_record_new = Study_record(class_m2m_lesson_id=class_m2m_lesson_obj.id, stu_id=student_obj.stu_id, status=status) self.session.add(study_record_new) self.session.commit() else: print("\33[31;1m系統錯誤：當前上課記錄已經創建\33[0m") else: print("\33[31;1m系統錯誤：當前班級的lesson課節未創建\33[0m") else: print("\33[31;1m系統錯誤：lesson未創建\33[0m") else: print("\33[31;1m輸入錯誤：班級不存在或沒有權限管理此班級\33[0m") def modify_scores(self): ‘‘‘修改成績‘‘‘ class_name = input("\033[34;0m請輸入學習記錄的班級名:\033[0m") class_obj = self.session.query(Class).filter_by(class_name=class_name).first() if class_obj and class_obj.teachers[0] == self.teacher_obj: # 輸入的班級名存在且在屬於當前老師管理 lesson_name = input("\033[34;0m請輸入學習記錄的課節名（lesson）:\033[0m") lesson_obj = self.session.query(Lesson).filter_by(lesson_name=lesson_name).first() if lesson_obj: # 輸入的lesson名字存在 class_m2m_lesson_obj = self.session.query(Class_m2m_Lesson).filter( Class_m2m_Lesson.class_id == class_obj.class_id). filter(Class_m2m_Lesson.lesson_id == lesson_obj.lesson_id).first() if class_m2m_lesson_obj: # 班級對應的課lesson表數據存在 while True: study_record_objs = self.session.query(Study_record).filter( Study_record.class_m2m_lesson_id==class_m2m_lesson_obj.id).all() for obj in study_record_objs: print(obj) student_name = input("\033[34;0m輸入要修改成績的學生名：[Q 退出]\33[0m") if student_name == "q" or student_name == "Q":break student_obj = self.session.query(Student).filter_by(stu_name=student_name).first() if student_obj: study_record_obj = self.session.query(Study_record).filter( Study_record.class_m2m_lesson_id==class_m2m_lesson_obj.id).filter( Study_record.stu_id == student_obj.stu_id).first() if study_record_obj: # 上課記錄存在 score = input("\033[34;0m輸入修改後的成績\33[0m") study_record_obj.score= score self.session.commit() else: print("\33[31;1m系統錯誤：當前上課記錄已經創建\33[0m") else: print("\33[31;1m系統錯誤：當前班級的lesson課節未創建\33[0m") else: print("\33[31;1m系統錯誤：lesson未創建\33[0m") else: print("\33[31;1m輸入錯誤：班級不存在或沒有權限管理此班級\33[0m") def exit(self): exit()教師視圖
不足
- readme文件寫的不夠詳細，測試環境沒有寫詳細
- 入口文件路徑不對
- 代碼存在現實邏輯缺陷（因為完成作業需求，暫時不計較）
完整代碼
https://github.com/lixiaoliuer1229/work_demo/tree/master/day12
學院管理系統（mysql版）