first commit

.idea/.gitignore

@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/Courseselection.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12 (xuanke1)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Courseselection.iml" filepath="$PROJECT_DIR$/.idea/Courseselection.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

student.py

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+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('<ButtonRelease-1>', 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('<ButtonRelease-1>', 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()