import tkinter from tkinter import ttk import pymysql from utils import * RADIO = 0.1 WINDOW_SIZE = '800x500+200+100' TEXT_INDENT = 60 TEXT_LINE_SPACE = 30 class menu: def __init__(self, StudentNum): self.studentNum = StudentNum self.root = tkinter.Tk() self.root.geometry(WINDOW_SIZE) self.root.title('学生') self.root.resizable(False, False) # 子区域 self.info = tkinter.Frame(self.root) self.choose = tkinter.Frame(self.root) self.drop = tkinter.Frame(self.root) self.grade = tkinter.Frame(self.root) # 菜单栏 self.menu = tkinter.Frame(self.root) self.stu_info = tkinter.Button(self.menu, text='个人信息', command=self.stu_info) self.stu_choose = tkinter.Button(self.menu, text='选课', command=self.stu_choose) self.stu_drop = tkinter.Button(self.menu, text='退课', command=self.stu_drop) self.stu_grade = tkinter.Button(self.menu, text='课程成绩', command=self.stu_grade) # 控件布局 self.initialize() def initialize(self): self.menu.place(relheight=1, relwidth=RADIO) self.stu_info.place(rely=0.0, relheight=0.25, relwidth=1) self.stu_choose.place(rely=0.25, relheight=0.25, relwidth=1) self.stu_drop.place(rely=0.5, relheight=0.25, relwidth=1) self.stu_grade.place(rely=0.75, relheight=0.25, relwidth=1) def stu_info(self): self.info.place_forget() self.choose.place_forget() self.drop.place_forget() self.grade.place_forget() stuInfo(self.info, self.studentNum) def stu_choose(self): self.info.place_forget() self.choose.place_forget() self.drop.place_forget() self.grade.place_forget() stuChoose(self.choose, self.studentNum) def stu_drop(self): self.info.place_forget() self.choose.place_forget() self.drop.place_forget() self.grade.place_forget() stuDrop(self.drop, self.studentNum) def stu_grade(self): self.info.place_forget() self.choose.place_forget() self.drop.place_forget() self.grade.place_forget() stuGrade(self.grade, self.studentNum) # 启动窗口 def start(self): self.root.mainloop() # 个人信息区域 class stuInfo: def __init__(self, frame, studentNum): self.frame = frame self.studentNum = studentNum # 个人信息 self.numLabel = tkinter.Label(self.frame, text='学号：') self.nameLabel = tkinter.Label(self.frame, text='姓名：') self.sexLabel = tkinter.Label(self.frame, text='性别：') self.ageLabel = tkinter.Label(self.frame, text='年龄：') self.pswdLabel = tkinter.Label(self.frame, text='密码：') # 个人信息显示 self.num_Label = tkinter.Label(self.frame) self.name_Label = tkinter.Label(self.frame) self.sex_Label = tkinter.Label(self.frame) self.age_Label = tkinter.Label(self.frame) self.pswdVar = tkinter.StringVar() self.pswd_Entry = tkinter.Entry(self.frame, textvariable=self.pswdVar) # 修改密码 self.commitButton = tkinter.Button(self.frame, text='修改密码') # 规则提示，修改密码提示信息是同一个标签 self.promptLabel = tkinter.Label(self.frame, text='密码不少于6位, 不能与原密码相同', font=("TkDefaultFont", 8)) # 控件布局 self.initialize() def initialize(self): self.frame.place(relx=RADIO, relheight=1, relwidth=1-RADIO) # 放置不变的组件 self.numLabel.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 0, anchor='ne') self.nameLabel.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 1, anchor='ne') self.sexLabel.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 2, anchor='ne') self.ageLabel.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 3, anchor='ne') self.pswdLabel.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 4, anchor='ne') # 获取信息 info = self.get_student_info(self.studentNum)[0] # 设置要显示的信息，及修改密码的函数 self.num_Label.configure(text=info[0]) self.name_Label.configure(text=info[1]) self.sex_Label.configure(text=info[2]) self.age_Label.configure(text=info[3]) self.pswd_Entry.insert(tkinter.INSERT, info[4]) self.commitButton.configure(command=lambda :self.change_pswd(info[4], self.pswd_Entry.get())) # 放置组件，显示信息 self.num_Label.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 0) self.name_Label.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 1) self.sex_Label.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 2) self.age_Label.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 3) self.pswd_Entry.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 4) # 放置修改密码按钮，和密码提示 self.frame.update() self.promptLabel.place(x=self.pswd_Entry.winfo_x(), y=self.pswd_Entry.winfo_y() + self.pswd_Entry.winfo_height() + 5) self.commitButton.place(x=self.pswd_Entry.winfo_x() + self.pswd_Entry.winfo_width() + 5, y=self.pswd_Entry.winfo_y() - 5) def change_pswd(self, origPswd, pswd): pswd = pswd.strip() if pswd == origPswd: self.promptLabel.configure(text='密码不能与原密码相同！') return elif len(pswd) < 6: self.promptLabel.configure(text='密码不能小于六位！') return else: self.promptLabel.configure(text='密码修改成功！') self.set_student_pswd(pswd) return def get_student_info(self, studentID): db = connect() cursor = db.cursor() sql = f'select distinct * from tb_student where studentID = \'{studentID}\'' cursor.execute(sql) result = cursor.fetchall() db.close() return result def set_student_pswd(self, pswd): db = connect() cursor = db.cursor() sql = f'UPDATE tb_student SET studentPswd= \'{pswd}\' WHERE studentID = \'{self.studentNum}\'' cursor.execute(sql) try: db.commit() except Exception as e: db.rollback() db.close() # 选课区域 class stuChoose: def __init__(self, frame, studentNum): self.frame = frame self.studentNum = studentNum # 信息放置处, 滚动条 self.resultScrollbar = tkinter.Scrollbar(self.frame) self.resultTable = ttk.Treeview(self.frame, height=10, columns=['课程号', '课程名', '课序号', '学分'], show='headings', yscrollcommand=self.resultScrollbar.set) # 选课按钮 self.chooseButton = tkinter.Button(self.frame, text='选课', command=self.chooseCourse) # 提示信息 self.promptLabel = tkinter.Label(self.frame, text='一次选一门课，已选的课不出现在列表里') # 选中的课程 self.selected = None self.initialize() # frame和button的布局 def initialize(self): self.frame.place(relx=RADIO, relheight=1, relwidth=1-RADIO) # 放置组件 self.frame.update() self.frame.update() self.resultTable.place(height=self.frame.winfo_height(), relwidth=0.6) self.frame.update() self.promptLabel.place(x=self.resultTable.winfo_x() + self.resultTable.winfo_width() + 5, y=self.resultTable.winfo_y() + self.resultTable.winfo_height(), anchor='sw') self.chooseButton.place(x=self.resultTable.winfo_x() + self.resultTable.winfo_width() + 5, y=self.resultTable.winfo_y() + self.resultTable.winfo_height() - 30, anchor='sw') self.displayInfo() # 显示选课信息 def displayInfo(self): self.clear_course_info() self.resultTable.heading('课程号', text='课程号', anchor='w') self.resultTable.heading('课程名', text='课程名') self.resultTable.heading('课序号', text='课序号') self.resultTable.heading('学分', text='学分') self.resultTable.column('课程号', width=100, minwidth=100) self.resultTable.column('课程名', width=150, minwidth=150) self.resultTable.column('课序号', width=50, minwidth=50) self.resultTable.column('学分', width=100, minwidth=100) info_valid = self.get_class_optional() for x in info_valid: self.resultTable.insert('', tkinter.END, values=x) # print('以下是暂未安排老师的课程,不支持选择') # info_invalid = self.get_invalid_class_optional() # for x in info_invalid: # self.resultTable.insert('', tkinter.END, values=x) self.resultTable.bind('', self.get_selected_item) # 选课按钮 def chooseCourse(self): if self.selected is None: self.promptLabel.configure(text='还未选择课程!') else: if self.insert_student_course(self.studentNum, self.selected['values'][0], self.selected['values'][2]) == 0: self.promptLabel.configure(text='选课成功！') else: self.promptLabel.configure(text='选课失败！') # 选课完成后更新选课列表 self.displayInfo() # 获得选中课程信息 def get_selected_item(self, event): curItem = self.resultTable.focus() self.selected = self.resultTable.item(curItem) print(self.selected) # 获取有效选课信息 def get_class_optional(self): db = connect() cursor = db.cursor() sql = f'select C.courseID, C.courseName, C.courseNum, C.courseCredit ' \ f'from tb_course as C, tb_teacher_course as TC ' \ f'where C.courseID = TC.courseID and C.courseNum = TC.courseNum ' \ f'and C.courseID not in (select courseID from tb_student_course where studentID = \'{self.studentNum}\')' cursor.execute(sql) result = cursor.fetchall() db.close() return result # 获取无效选课信息（没有分配老师的课程） def get_invalid_class_optional(self): db = connect() cursor = db.cursor() sql = f'select C.courseID, C.courseName, C.courseNum, C.courseCredit ' \ f'from tb_course as C ' \ f'where C.courseID not in \ (select C.courseID \ from tb_course as C, tb_teacher_course as TC, tb_student_course as SC \ where C.courseID = TC.courseID and C.courseNum = TC.courseNum and SC.studentID = \'{self.studentNum}\') ' cursor.execute(sql) result = cursor.fetchall() db.close() return result # 选课信息提交 def insert_student_course(self, studentID, courseID, courseNum): db = connect() cursor = db.cursor() sql = f'INSERT INTO tb_student_course (studentID, courseID, courseNum, grade) VALUES (\'{studentID}\', \'{courseID}\', \'{courseNum}\', -1)' cursor.execute(sql) try: db.commit() db.close() return 0 except: db.rollback() db.close() return 1 # 选课信息清除 def clear_course_info(self): for x in self.resultTable.get_children(): self.resultTable.delete(x) # 退课区域 class stuDrop: def __init__(self, frame, studentNum): self.studentNum = studentNum self.frame = frame # 信息放置处, 滚动条 self.resultScrollbar = tkinter.Scrollbar(self.frame) self.resultTable = ttk.Treeview(self.frame, height=10, columns=['课程号', '课程名', '课序号', '学分'], show='headings', yscrollcommand=self.resultScrollbar.set) # 退课按钮 self.dropButton = tkinter.Button(self.frame, text='退课', command=self.dropCourse) # 提示信息 self.promptLabel = tkinter.Label(self.frame, text='一次退一门课，已退的课不出现在列表里') # 选中的课程 self.selected = None self.initialize() def initialize(self): self.frame.place(relx=RADIO, relheight=1, relwidth=1-RADIO) # 放置组件 # self.frame.update() self.frame.update() self.resultTable.place(height=self.frame.winfo_height(), relwidth=0.6) self.frame.update() self.promptLabel.place(x=self.resultTable.winfo_x() + self.resultTable.winfo_width() + 5, y=self.resultTable.winfo_y() + self.resultTable.winfo_height(), anchor='sw') self.dropButton.place(x=self.resultTable.winfo_x() + self.resultTable.winfo_width() + 5, y=self.resultTable.winfo_y() + self.resultTable.winfo_height() - 30, anchor='sw') self.displayInfo() # 显示选课信息 def displayInfo(self): self.clear_course_info() self.resultTable.heading('课程号', text='课程号', anchor='w') self.resultTable.heading('课程名', text='课程名') self.resultTable.heading('课序号', text='课序号') self.resultTable.heading('学分', text='学分') self.resultTable.column('课程号', width=50, minwidth=50) self.resultTable.column('课程名', width=120, minwidth=120) self.resultTable.column('课序号', width=50, minwidth=50) self.resultTable.column('学分', width=50, minwidth=50) info = self.get_class_optional() for x in info: self.resultTable.insert('', tkinter.END, values=x) self.resultTable.bind('', self.get_selected_item) # 退课按钮 def dropCourse(self): if self.selected is None: self.promptLabel.configure(text='还未选择课程!') else: if self.drop_student_course(self.studentNum, self.selected['values'][0], self.selected['values'][2]) == 0: self.promptLabel.configure(text='退课成功！') else: self.promptLabel.configure(text='退课失败！') # 选课完成后更新选课列表 self.displayInfo() # 获得选中课程信息 def get_selected_item(self, event): curItem = self.resultTable.focus() self.selected = self.resultTable.item(curItem) print(self.selected) # 获取已选信息 def get_class_optional(self): db = connect() cursor = db.cursor() sql = f'select C.courseID, C.courseName, C.courseNum, C.courseCredit ' \ f'from tb_course as C, tb_student_course as SC ' \ f'where SC.studentID = \'{self.studentNum}\' and C.courseID = SC.courseID and C.courseNum = SC.courseNum' cursor.execute(sql) result = cursor.fetchall() db.close() return result # 退课信息提交 def drop_student_course(self, studentID, courseID, courseNum): db = connect() cursor = db.cursor() sql = f'DELETE FROM tb_student_course WHERE studentID = \'{studentID}\' ' \ f'and courseID = \'{courseID}\' and courseNum = \'{courseNum}\'' cursor.execute(sql) try: db.commit() db.close() return 0 except: db.rollback() db.close() return 1 # 课程信息清除 def clear_course_info(self): for x in self.resultTable.get_children(): self.resultTable.delete(x) # 课程成绩区域 class stuGrade: def __init__(self, frame, studentNum): self.studentNum = studentNum self.frame = frame # 信息放置处, 滚动条 self.resultScrollbar = tkinter.Scrollbar(self.frame) self.resultTable = ttk.Treeview(self.frame, height=10, columns=['课程号', '课程名', '课序号', '教师', '学分', '成绩'], show='headings', yscrollcommand=self.resultScrollbar.set) self.initialize() def initialize(self): self.frame.place(relx=RADIO, relheight=1, relwidth=1-RADIO) # 放置组件 self.frame.update() self.frame.update() self.resultTable.place(height=self.frame.winfo_height(), relwidth=0.8) self.displayInfo() # 显示选课信息 def displayInfo(self): self.clear_course_info() self.resultTable.heading('课程号', text='课程号', anchor='w') self.resultTable.heading('课程名', text='课程名') self.resultTable.heading('课序号', text='课序号') self.resultTable.heading('教师', text='教师') self.resultTable.heading('学分', text='学分') self.resultTable.heading('成绩', text='成绩') self.resultTable.column('课程号', width=50, minwidth=50) self.resultTable.column('课程名', width=120, minwidth=120) self.resultTable.column('课序号', width=50, minwidth=50) self.resultTable.column('教师', width=50, minwidth=50) self.resultTable.column('学分', width=50, minwidth=50) self.resultTable.column('成绩', width=50, minwidth=50) info = self.get_class_selected() for x in info: self.resultTable.insert('', tkinter.END, values=x) # 获取已选课程 def get_class_selected(self): db = connect() cursor = db.cursor() sql = f'select SC.courseID, C.courseName, SC.courseNum, T.teacherName, C.courseCredit, SC.grade ' \ f'from tb_student_course as SC, tb_teacher as T, tb_teacher_course as TC, tb_course as C ' \ f'where SC.studentID = \'{self.studentNum}\' and SC.courseNum = C.courseNum and SC.courseID = C.courseID ' \ 'and T.teacherID = TC.teacherID and TC.courseID = C.courseID and TC.courseNum = C.courseNum' cursor.execute(sql) result = cursor.fetchall() db.close() return result def clear_course_info(self): for x in self.resultTable.get_children(): self.resultTable.delete(x) if __name__ == '__main__': c = menu('202101') c.start()