From 8a3188b2fda400a1005c12834d98c4f7f8e7a8b0 Mon Sep 17 00:00:00 2001 From: dxj <2643100034@qq.com> Date: Tue, 28 May 2024 22:30:28 +0800 Subject: [PATCH] first commit --- teacher.py | 306 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 306 insertions(+) create mode 100644 teacher.py diff --git a/teacher.py b/teacher.py new file mode 100644 index 0000000..9fd28a1 --- /dev/null +++ b/teacher.py @@ -0,0 +1,306 @@ +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 + +# 个人信息区域 +class menu: + def __init__(self, teacherID): + self.studentNum = teacherID + self.root = tkinter.Tk() + self.root.geometry(WINDOW_SIZE) + self.root.title('教师') + self.root.resizable(False, False) + # 子区域 + self.info = tkinter.Frame(self.root) + self.course = tkinter.Frame(self.root) + self.grade = tkinter.Frame(self.root) + self.input = tkinter.Frame(self.root) + # 菜单栏 + self.menu = tkinter.Frame(self.root) + self.tc_info = tkinter.Button(self.menu, text='个人信息', command=self.tea_info) + self.tc_grade = tkinter.Button(self.menu, text='课程成绩', command=self.tea_grade) + # 控件布局 + self.initialize() + + def initialize(self): + self.menu.place(relheight=1, relwidth=RADIO) + self.tc_info.place(rely=0.0, relheight=0.5, relwidth=1) + self.tc_grade.place(rely=0.5, relheight=0.5, relwidth=1) + + def tea_info(self): + self.course.place_forget() + self.grade.place_forget() + self.input.place_forget() + tcInfo(self.info, self.studentNum) + + def tea_grade(self): + self.course.place_forget() + self.info.place_forget() + self.input.place_forget() + tcGrade(self.grade, self.studentNum) + + def start(self): + self.root.mainloop() + +# 个人信息区域 +class tcInfo: + def __init__(self, frame, teacherID): + self.teacherID = teacherID + self.frame = frame + # 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.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.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.pswdLabel.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 3, anchor='ne') + # 获取信息 + info = self.get_teacher_info(self.teacherID)[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.pswd_Entry.insert(tkinter.INSERT, info[3]) + self.commitButton.configure(command=lambda :self.change_pswd(info[3], 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.pswd_Entry.place(x=TEXT_INDENT, y=TEXT_LINE_SPACE * 3) + # 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_teacher_pswd(pswd) + return + + + def get_teacher_info(self, teacherID): + db = connect() + cursor = db.cursor() + sql = f'select distinct * from tb_teacher where teacherID = \'{teacherID}\'' + cursor.execute(sql) + result = cursor.fetchall() + db.close() + return result + + def set_teacher_pswd(self, pswd): + db = connect() + cursor = db.cursor() + sql = f'UPDATE tb_teacher SET studentPswd= \'{pswd}\' WHERE teacherID = \'{self.teacherID}\'' + cursor.execute(sql) + try: + db.commit() + except: + db.rollback() + db.close() + +# 课程成绩区域 +class tcGrade: + def __init__(self, frame, teacherID): + self.teacherID = teacherID + self.frame = frame + # 信息放置处 + self.courseTable = ttk.Treeview(self.frame, + height=10, + columns=['课程号', '课程名', '课序号', '学分', '人数'], + show='headings') + + + self.studentTable = ttk.Treeview(self.frame, + height=10, + columns=[1, 2, 3], + show='headings') + + # 提示信息 + self.promptLabel = tkinter.Label(self.frame, text='点击列表中的课程，查看成绩') + self.gradeEntry = tkinter.Entry(self.frame) + self.enterButton = tkinter.Button(self.frame, text='修改成绩', command=self.inputGrade) + # 选中的课程 + self.selectedCourse = None + self.selectedStudent = None + + self.initialize() + + def initialize(self): + self.frame.place(relx=RADIO, relheight=1, relwidth=1-RADIO) + # 放置组件 + self.frame.update() + self.courseTable.place(height=self.frame.winfo_height(), + relwidth=0.6) + + self.studentTable.place(relx=0.6, relheight=0.8, + relwidth=0.4) + self.frame.update() + self.promptLabel.place(x=self.courseTable.winfo_x() + self.courseTable.winfo_width() + 5, + y=self.courseTable.winfo_y() + self.courseTable.winfo_height(), anchor='sw') + + self.gradeEntry.place(x=self.courseTable.winfo_x() + self.courseTable.winfo_width() + 5, + y=self.courseTable.winfo_y() + self.courseTable.winfo_height() - 60, anchor='sw') + + self.enterButton.place(x=self.courseTable.winfo_x() + self.courseTable.winfo_width() + 5, + y=self.courseTable.winfo_y() + self.courseTable.winfo_height() - 30, anchor='sw') + + self.displayInfo() + + self.studentTable.heading(1, text='姓名', anchor='w') + self.studentTable.heading(2, text='学号') + self.studentTable.heading(3, text='成绩') + + self.studentTable.column(1, width=00) + self.studentTable.column(2, width=50) + self.studentTable.column(3, width=50) + + # 显示教授课程信息 + # 只显示已有同学选择的课程 + def displayInfo(self): + self.clear_table([self.studentTable, self.courseTable]) + self.selectedStudent = None + + self.courseTable.heading('课程号', text='课程号', anchor='w') + self.courseTable.heading('课程名', text='课程名') + self.courseTable.heading('课序号', text='课序号') + self.courseTable.heading('学分', text='学分') + self.courseTable.heading('人数', text='人数') + + self.courseTable.column('课程号', width=100, minwidth=100) + self.courseTable.column('课程名', width=150, minwidth=150) + self.courseTable.column('课序号', width=50, minwidth=50) + self.courseTable.column('学分', width=50, minwidth=50) + self.courseTable.column('人数', width=50, minwidth=50) + + info = self.get_class_teached() + for x in info: + self.courseTable.insert('', tkinter.END, values=x) + + self.courseTable.bind('', self.click_course) + + + def displayStu(self): + self.clear_table([self.studentTable]) + info = self.get_class_student(self.selectedCourse['values'][0], self.selectedCourse['values'][2]) + for x in info: + self.studentTable.insert('', tkinter.END, values=x) + + self.studentTable.bind('', self.get_selected_student) + + def click_course(self, event): + self.selectedStudent = None + self.get_selected_course(event) + self.displayStu() + + + def inputGrade(self): + # studentID, courseID, courseNum, grade + if self.selectedCourse == None: + self.promptLabel.configure(text='请选择课程') + elif self.selectedStudent == None: + self.promptLabel.configure(text='请选择学生') + else: + studentID, courseID, courseNum, grade = self.selectedStudent['values'][0], self.selectedCourse['values'][0], \ + self.selectedCourse['values'][2], self.gradeEntry.get() + if self.set_student_grade(studentID, courseID, courseNum, grade) == 0: + self.promptLabel.configure(text='成绩录入成功') + self.displayStu() + else: + self.promptLabel.configure(text='成绩录入失败') + + + # 获得表中选中课程 + def get_selected_course(self, event): + curItem = self.courseTable.focus() + self.selectedCourse = self.courseTable.item(curItem) + print(self.selectedCourse) + + # 获得表中选中课程 + def get_selected_student(self, event): + curItem = self.studentTable.focus() + self.selectedStudent = self.studentTable.item(curItem) + print(self.selectedStudent) + + # 获取 + def get_class_teached(self): + db = connect() + cursor = db.cursor() + sql = f'select C.courseID, C.courseName, C.courseNum, C.courseCredit, count(distinct SC.studentID) ' \ + f'from tb_course as C, tb_teacher_course as TC, tb_student_course as SC ' \ + f'where TC.teacherID = \'{self.teacherID}\' and TC.courseID = C.courseID '\ + f'and TC.courseNum = C.courseNum and SC.courseID = C.courseID and SC.courseNum = C.courseNum ' \ + f'group by SC.courseID, SC.courseNum' + cursor.execute(sql) + result = cursor.fetchall() + db.close() + return result + + def get_class_student(self, courseID, courseNum): + db = connect() + cursor = db.cursor() + sql = f'select distinct s.studentID, s.studentName, sc.grade ' \ + f'from tb_student as s, tb_student_course as sc ' \ + f'where s.studentID = sc.studentID and courseID = \'{courseID}\' and courseNum = {courseNum} ' + cursor.execute(sql) + result = cursor.fetchall() + db.close() + return result + + def set_student_grade(self, studentID, courseID, courseNum, grade): + db = connect() + cursor = db.cursor() + print(studentID, courseID, courseNum, grade) + sql = f'update tb_student_course ' \ + f'set grade = {grade} ' \ + f'where studentID = \'{studentID}\' and courseID = \'{courseID}\'and courseNum = {courseNum}' + cursor.execute(sql) + try: + db.commit() + db.close() + return 0 + except: + db.rollback() + db.close() + return 1 + + + def clear_table(self, tables): + for table in tables: + for x in table.get_children(): + table.delete(x) + +if __name__ == '__main__': + c = menu('200407') + c.start() \ No newline at end of file