导读 这篇文章主要为大家详细介绍了python tkinter实现学生信息管理系统,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

本文实例为大家分享了python tkinter实现学生信息管理系统的具体代码,供大家参考,具体内容如下

初学python,代码写的比较繁杂,系统功能还有完善的空间

系统使用了mysql数据库,数据库:sch,用户名:root ,密码:123456,创建表的语句写在代码里面了

​import tkinter
import tkinter.messagebox
import re
import pymysql
from tkinter import scrolledtext
import os
from tkinter import *
def window_info(main):
        w = main.winfo_screenwidth()
        h = main.winfo_screenheight()
        x = (w / 2) - 200
        y = (h / 2) - 200
        return (x, y)
def conn():
    con = pymysql.connect("localhost", "root", "root", "sch")
    return con
  
def cur(connection):
    cur = connection.cursor()
    return cur
def exitsys():
    root.destroy()
def teacherlogin():
    #===============================================================================
    def managerindex():
        def addstudent():
            def addone():
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('insert into student values(%s,%s,%s,%s,%s)',
                                   (addnameentry.get(), addageentry.get(),
                                    addnoentry.get(), addclassentry.get(),'未注册'))
                    connection.commit()
                except:
                    if addsuccessentry.get() != '':
                        addsuccessentry.delete('0', 'end')
                        addsuccessentry.insert('0', '添加失败!')
                    else:
                        addsuccessentry.insert('0', '添加失败!')
                    connection.rollback()
                    connection.close()
                    cursor.close
                if addsuccessentry.get() != '':
                    addsuccessentry.delete('0', 'end')
                    addsuccessentry.insert('0', '添加成功!')
                else:
                    addsuccessentry.insert('0', '添加成功!')
  
            def addcancel():
                addnameentry.delete('0', 'end')
                addageentry.delete('0', 'end')
                addnoentry.delete('0', 'end')
                addclassentry.delete('0', 'end')
                addsuccessentry.delete('0', 'end')
  
            def exit():
                add.destroy()
  
            add = Toplevel()
            add.title('添加学生信息')
            x, y = window_info(add)
            add.geometry("415x295+%d+%d" % (x, y))
            add['bg'] = 'dodgerblue'
  
            labelname = tkinter.Label(add, text='添加学生', width=80, bg='dodgerblue')
            labelname.place(x=140, y=50, width=150, height=20)
  
            labelname = tkinter.Label(add, text='学生名:', width=80)
            labelname.place(x=140, y=80, width=60, height=20)
            addnameentry = tkinter.Entry(add, width=200)
            addnameentry.place(x=195, y=80, width=80, height=20)
  
            labelage = tkinter.Label(add, text='年  龄:', width=80)
            labelage.place(x=140, y=110, width=60, height=20)
            addageentry = tkinter.Entry(add, width=200)
            addageentry.place(x=195, y=110, width=80, height=20)
  
            labelno = tkinter.Label(add, text='学 号:', width=80)
            labelno.place(x=140, y=140, width=60, height=20)
            addnoentry = tkinter.Entry(add, width=200)
            addnoentry.place(x=195, y=140, width=80, height=20)
  
            labelclass = tkinter.Label(add, text='班  级:', width=80)
            labelclass.place(x=140, y=170, width=60, height=20)
            addclassentry = tkinter.Entry(add, width=200)
            addclassentry.place(x=195, y=170, width=80, height=20)
  
            addsuccessentry = tkinter.Entry(add, width=200, state='normal')
            addsuccessentry.place(x=140, y=200, width=135, height=20)
  
            buttonadd = tkinter.Button(add, text="添加", command=addone)
            buttonadd.place(x=140, y=230, width=50, height=20)
  
            buttoncancel = tkinter.Button(add, text="重置", command=addcancel)
            buttoncancel.place(x=220, y=230, width=50, height=20)
  
            add.mainloop()
            return add
            # ===================================================================================
  
        def findonestudent():
            def search():
                if textsearch.get('1.0', 'end') != '':
                    textsearch.delete('1.0', 'end')
                else:
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select * from student where sno=%s', (entrysearchone.get()))
                        data = list(cursor.fetchone())
                        textsearch.insert('insert', "学生姓名:" + data[0]
                                          + "\n" + "年龄:" + data[1]
                                          + "\n" + "学号" + data[2]
                                          + "\n" + "班级:" + data[3] + "\n\n")
                        connection.commit()
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select * from student where sno=%s', (entrysearchone.get()))
                    data = list(cursor.fetchone())
                    textsearch.insert('insert', "学生姓名:" + data[0]
                                      + "\n" + "年龄:" + data[1]
                                      + "\n" + "学号" + data[2]
                                      + "\n" + "班级:" + data[3] + "\n\n")
                    connection.commit()
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
  
            def searchonecancel():
                textsearch.delete('1.0', 'end')
  
            def searchnocancel():
                entrysearchone.delete('0', 'end')
  
            def exit():
                findone.destroy()
  
            findone = Toplevel()
            findone.title('查询学生信息')
            x, y = window_info(findone)
            findone.geometry("415x295+%d+%d" % (x, y))
            findone['bg'] = 'dodgerblue'
  
            labelname = tkinter.Label(findone, text='请输入要查询学生的学号:', width=80, bg='dodgerblue')
            labelname.place(x=140, y=50, width=140, height=20)
  
            entrysearchone = tkinter.Entry(findone, width=200)
            entrysearchone.place(x=140, y=80, width=150, height=20)
  
            buttonsearch = tkinter.Button(findone, text="查找", command=search)
            buttonsearch.place(x=140, y=110, width=50, height=20)
  
            buttonsearch = tkinter.Button(findone, text="重置", command=searchnocancel)
            buttonsearch.place(x=240, y=110, width=50, height=20)
  
            textsearch = tkinter.scrolledtext.ScrolledText(findone, width=18, height=6)
            textsearch.place(x=140, y=140)
  
            buttoncancel = tkinter.Button(findone, text="清空", command=searchonecancel)
            buttoncancel.place(x=190, y=230, width=50, height=20)
  
            findone.mainloop()
  
        # ==================================================================================
        def deletestudent():
            def deleteone():
                if deleteoneentry.get() == '':
                    tkinter.messagebox.showerror('error', message="请输入学号!")
                else:
                    if textdelete.get('1.0', 'end') != '':
                        textdelete.delete('1.0', 'end')
                    else:
                        connection = conn()
                        cursor = cur(connection)
                        try:
                            cursor.execute('delete from student where sno=%s', (deleteoneentry.get()))
                            connection.commit()
                            cursor.execute('select * from student')
                            data = list(cursor.fetchall())
                            textdelete.insert('insert', "姓名:\t\t年龄:\t\t学号:\t\t班级:")
                            textdelete.insert('insert', "\n")
                            for i in data:
                                print(i)
                                textdelete.insert('insert', '\t\t'.join(i))
                                textdelete.insert('insert', "\n")
                        except:
                            connection.rollback()
                            connection.close()
                            cursor.close
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('delete from student where sno=%s', (deleteoneentry.get()))
                        connection.commit()
                        cursor.execute('select * from student')
                        data = list(cursor.fetchall())
                        textdelete.insert('insert', "姓名:\t\t年龄:\t\t学号:\t\t班级:")
                        textdelete.insert('insert', "\n")
                        for i in data:
                            print(i)
                            textdelete.insert('insert', '\t\t'.join(i))
                            textdelete.insert('insert', "\n")
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
  
            def exit():
                deleteone.destroy()
  
            def deleteonecancel():
                deleteoneentry.delete('0', 'end')
  
            delete = Toplevel()
            delete.title('删除学生信息')
            x, y = window_info(delete)
            delete.geometry("415x295+%d+%d" % (x, y))
            delete['bg'] = 'dodgerblue'
  
            labelname = tkinter.Label(delete, text='请输入要删除学生的学号:', bg='dodgerblue')
            labelname.place(x=5, y=20, width=140, height=20)
  
            deleteoneentry = tkinter.Entry(delete, width=200)
            deleteoneentry.place(x=5, y=50, width=150, height=20)
  
            buttondelete = tkinter.Button(delete, text="删除", command=deleteone)
            buttondelete.place(x=5, y=80, width=50, height=20)
  
            buttondelete = tkinter.Button(delete, text="重置", command=deleteonecancel)
            buttondelete.place(x=105, y=80, width=50, height=20)
  
            textdelete = tkinter.scrolledtext.ScrolledText(delete, width=54, height=9)
            textdelete.place(x=5, y=110)
  
            delete.mainloop()
  
        # =======================================================================================
        def findallstudent():
            def show():
                if textshow.get('1.0', 'end') != '':
                    textshow.delete('1.0', 'end')
                else:
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select * from student')
                        data = list(cursor.fetchall())
                        textshow.insert('insert', "姓名:\t\t年龄:\t\t学号:\t\t班级:\t\t登录密码:")
                        textshow.insert('insert', "\n")
                        for i in data:
                            print(i)
                            textshow.insert('insert', '\t\t'.join(i))
                            textshow.insert('insert', "\n")
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select * from student')
                    data = list(cursor.fetchall())
                    textshow.insert('insert', "姓名:\t\t年龄:\t\t学号:\t\t班级:\t\t登录密码:")
                    textshow.insert('insert', "\n")
                    for i in data:
                        print(i)
                        textshow.insert('insert', '\t\t'.join(i))
                        textshow.insert('insert', "\n")
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
  
            def searchallcancel():
                textshow.delete('1.0', 'end')
  
            def exit():
                findall.destroy()
  
            findall = Toplevel()
            findall.title('查询所有学生信息')
            x, y = window_info(findall)
            findall.geometry("520x295+%d+%d" % (x, y))
            findall['bg'] = 'dodgerblue'
            labelname = tkinter.Label(findall, text='查询所有学生信息?', bg='dodgerblue')
            labelname.place(x=5, y=20, width=100, height=20)
  
            buttonshow = tkinter.Button(findall, text="确定", command=show)
            buttonshow.place(x=5, y=50, width=50, height=20)
  
            textshow = tkinter.scrolledtext.ScrolledText(findall, width=75, height=9)
            textshow.place(x=5, y=80)
  
            buttoncancel = tkinter.Button(findall, text="清空", command=searchallcancel)
            buttoncancel.place(x=5, y=210, width=50, height=20)
  
            findall.mainloop()
  
        # =======================================================================================
        def modifystudent():
            def modifyfindone():
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select * from student where sno=%s', (modifyoneentry.get()))
                    connection.commit()
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
                data = list(cursor.fetchall())
                if data == []:
                    tkinter.messagebox.showerror(message="没有查询到该学生的信息!")
                else:
                    modifynameentry.insert('0', data[0][0])
                    modifyageentry.insert('0', data[0][1])
                    modifynoentry.insert('0', data[0][2])
                    modifyclassentry.insert('0', data[0][3])
  
            def submit():
                print(modifynameentry.get())
                print(modifyoneentry.get())
                connection = conn()
                cursor = cur(connection)
                sqlname = "update student set sname = %s where sno = %s"
                cursor.execute(sqlname, (modifynameentry.get(), modifyoneentry.get()))
                sqlage = "update student set sage = %s where sno = %s"
                cursor.execute(sqlage, (modifyageentry.get(), modifyoneentry.get()))
                sqlno = "update student set sno = %s where sno = %s"
                cursor.execute(sqlno, (modifynoentry.get(), modifyoneentry.get()))
                sqlclass = "update student set sclass = %s where sno = %s"
                cursor.execute(sqlclass, (modifyclassentry.get(), modifyoneentry.get()))
                connection.commit()
                if modifysuccessentry.get() != '':
                    modifysuccessentry.delete('0', 'end')
                    modifysuccessentry.insert('0', '修改成功!')
                else:
                    modifysuccessentry.insert('0', '修改成功!')
  
            modify = Toplevel()
            modify.title('修改学生信息')
            x, y = window_info(modify)
            modify.geometry("415x295+%d+%d" % (x, y))
            modify['bg'] = 'dodgerblue'
            labelname = tkinter.Label(modify, text='请输入要修改学生的学号:', bg='dodgerblue')
            labelname.place(x=5, y=20, width=140, height=20)
  
            buttonshow = tkinter.Button(modify, text="确定", command=modifyfindone)
            buttonshow.place(x=155, y=50, width=50, height=20)
  
            modifyoneentry = tkinter.Entry(modify, width=200)
            modifyoneentry.place(x=5, y=50, width=150, height=20)
  
            labelname = tkinter.Label(modify, text='该学生信息如下', bg='dodgerblue')
            labelname.place(x=5, y=70, width=85, height=20)
  
            labelname = tkinter.Label(modify, text='姓名:',bg='dodgerblue')
            labelname.place(x=5, y=100, width=30, height=20)
            modifynameentry = tkinter.Entry(modify, width=200)
            modifynameentry.place(x=5, y=120, width=150, height=20)
  
            labelname = tkinter.Label(modify, text='年龄:',bg='dodgerblue')
            labelname.place(x=200, y=100, width=30, height=20)
            modifyageentry = tkinter.Entry(modify, width=200)
            modifyageentry.place(x=200, y=120, width=150, height=20)
  
            labelname = tkinter.Label(modify, text='学号:',bg='dodgerblue')
            labelname.place(x=5, y=150, width=30, height=20)
            modifynoentry = tkinter.Entry(modify, width=200)
            modifynoentry.place(x=5, y=170, width=150, height=20)
  
            labelname = tkinter.Label(modify, text='班级:',bg='dodgerblue')
            labelname.place(x=200, y=150, width=30, height=20)
            modifyclassentry = tkinter.Entry(modify, width=200)
            modifyclassentry.place(x=200, y=170, width=150, height=20)
  
            modifysuccessentry = tkinter.Entry(modify, width=200)
            modifysuccessentry.place(x=5, y=200, width=150, height=20)
  
            buttonshow = tkinter.Button(modify, text="提  交", command=submit)
            buttonshow.place(x=5, y=230, width=50, height=20)
            modify.mainloop()
  
        # ==================================================================================
        def findselectcourseinfor():
            def show():
                print('swj')
                if textshow.get('1.0', 'end') != '':
                    textshow.delete('1.0', 'end')
                else:
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select sno,sname,sclass,cno,cname from student,course where student.sno=sc.sno and course.cno=sc.cno')
                        data = list(cursor.fetchall())
                        textshow.insert('insert', "学号:\t\t姓名:\t\t班级:\t\t课程编号:\t\t课程名:")
                        textshow.insert('insert', "\n")
                        for i in data:
                            print(i)
                            textshow.insert('insert', '\t\t'.join(i))
                            textshow.insert('insert', "\n")
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select sc.sno,sname,sclass,sc.cno,course.cname from student,course,sc where student.sno=sc.sno and course.cno=sc.cno')
                    data = list(cursor.fetchall())
                    textshow.insert('insert', "学号:\t\t姓名:\t\t班级:\t\t课程编号:\t\t课程名:")
                    textshow.insert('insert', "\n")
                    for i in data:
                        print(i)
                        textshow.insert('insert', '\t\t'.join(i))
                        textshow.insert('insert', "\n")
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
  
            def searchallcancel():
                textshow.delete('1.0', 'end')
            findall = Toplevel()
            findall.title('查询学生选课信息')
            x, y = window_info(findall)
            findall.geometry("520x295+%d+%d" % (x, y))
            findall['bg'] = 'dodgerblue'
            labelname = tkinter.Label(findall, text='查询学生选课信息?', bg='dodgerblue')
            labelname.place(x=5, y=20, width=100, height=20)
  
            buttonshow = tkinter.Button(findall, text="确定", command=show)
            buttonshow.place(x=5, y=50, width=50, height=20)
  
            textshow = tkinter.scrolledtext.ScrolledText(findall, width=105, height=9)
            textshow.place(x=5, y=80)
  
            buttoncancel = tkinter.Button(findall, text="清空", command=searchallcancel)
            buttoncancel.place(x=5, y=210, width=50, height=20)
  
            findall.mainloop()
  
  
  
  
                                    
        #===================================================================================
        def addcourse():
            def addonecourse():
             
                print(addcnoentry.get())
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('insert into course values(%s,%s,%s)',
                                   (addcnoentry.get(), addcnameentry.get(),
                                    addtnoentry.get()))
                    connection.commit()
                except:
                    if addsuccessentry.get() != '':
                        addsuccessentry.delete('0', 'end')
                        addsuccessentry.insert('0', '添加失败!')
                    else:
                        addsuccessentry.insert('0', '添加失败!')
                    connection.rollback()
                    connection.close()
                    cursor.close
                if addsuccessentry.get() != '':
                    addsuccessentry.delete('0', 'end')
                    addsuccessentry.insert('0', '添加成功!')
                else:
                    addsuccessentry.insert('0', '添加成功!')
  
            def addcancel():
                addcnoentry.delete('0', 'end')
                addcnameentry.delete('0', 'end')
                addtnoentry.delete('0', 'end')
                 
                addsuccessentry.delete('0', 'end')
  
  
            addcourse = Toplevel()
            addcourse.title('添加学生信息')
            x, y = window_info(addcourse)
            addcourse.geometry("415x295+%d+%d" % (x, y))
            addcourse['bg'] = 'dodgerblue'
  
            labelname = tkinter.Label(addcourse, text='添加学生', width=80, bg='dodgerblue')
            labelname.place(x=140, y=50, width=150, height=20)
  
            labelname = tkinter.Label(addcourse, text='课程号:', width=80)
            labelname.place(x=140, y=80, width=60, height=20)
            addcnoentry = tkinter.Entry(addcourse, width=200)
            addcnoentry.place(x=195, y=80, width=80, height=20)
  
            labelage = tkinter.Label(addcourse, text='课程名:', width=80)
            labelage.place(x=140, y=110, width=60, height=20)
            addcnameentry = tkinter.Entry(addcourse, width=200)
            addcnameentry.place(x=195, y=110, width=80, height=20)
  
            labelno = tkinter.Label(addcourse, text='教师编号:', width=80)
            labelno.place(x=140, y=140, width=60, height=20)
            addtnoentry = tkinter.Entry(addcourse, width=200)
            addtnoentry.place(x=195, y=140, width=80, height=20)
  
             
            addsuccessentry = tkinter.Entry(addcourse, width=200, state='normal')
            addsuccessentry.place(x=140, y=170, width=135, height=20)
  
            buttonadd = tkinter.Button(addcourse, text="添加", command=addonecourse)
            buttonadd.place(x=140, y=200, width=50, height=20)
  
            buttoncancel = tkinter.Button(addcourse, text="重置", command=addcancel)
            buttoncancel.place(x=220, y=200, width=50, height=20)
  
            addcourse.mainloop()
         
        def exitsys():
            root.destroy()
             
        studentindex = Toplevel()
        studentindex.title('学生信息管理系统')
        x, y = window_info(studentindex)
        studentindex.geometry("430x505+%d+%d" % (x, y))
        studentindex['bg'] = 'dodgerblue'
  
        labelname = tkinter.Label(studentindex, text='欢迎使用学生信息管理系统', bg='dodgerblue', font=("楷体", 20))
        labelname.place(x=60, y=30, width=350, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="添    加", command=addstudent)
        buttonadd.place(x=150, y=90, width=100, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="查    询", command=findonestudent)
        buttonadd.place(x=150, y=140, width=100, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="删    除", command=deletestudent)
        buttonadd.place(x=150, y=190, width=100, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="查询所有", command=findallstudent)
        buttonadd.place(x=150, y=240, width=100, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="修    改", command=modifystudent)
        buttonadd.place(x=150, y=290, width=100, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="添加课程", command=addcourse)
        buttonadd.place(x=150, y=340, width=100, height=40)
  
        buttonadd = tkinter.Button(studentindex, text="学生选课信息", command=findselectcourseinfor)
        buttonadd.place(x=150, y=390, width=100, height=40)
                                    
        buttonadd = tkinter.Button(studentindex, text="退出系统", command=exitsys)
        buttonadd.place(x=150, y=440, width=100, height=40)
        studentindex.mainloop()
    # ===============================================================================
    def login():
        name = entryName.get()
        pwd = entryPwd.get()
        connection = conn()
        cursor = cur(connection)
        cursor.execute('select * from login')
        data = list(cursor.fetchall())
        print(data)
        if data == []:
            tkinter.messagebox.showerror(message="账号或密码错误!")
            return 0
        for i in data:
            print(i[0])
            print(i[1])
            if i[0] == name and i[1] == pwd:
                managerindex()
  
    def forregister():
        def loginregister():
            if pwdentry.get() == '' or confirmpwdentry.get == '':
                tkinter.messagebox.showerror(message="请输入账号密码!")
  
            elif pwdentry.get() == confirmpwdentry.get():
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('insert into login(user,password)values(%s,%s)',
                                   (userentry.get(), pwdentry.get()))
                    connection.commit()
                    if registersuccessentry.get() != '':
                        registersuccessentry.delete('0', 'end')
                        registersuccessentry.insert('0', '注册成功!')
                    else:
                        registersuccessentry.insert('0', '注册成功!')
                    bottonOk = tkinter.Button(studentregister, text="立即登录", command=registerlogin, bg='dodgerblue')
                    bottonOk.place(x=125, y=230, width=70, height=30)
                    #return userentry.get(), pwdentry.get()
                except:
                    connection.rollback()
                    if registersuccessentry.get() != '':
                        registersuccessentry.delete('0', 'end')
                        registersuccessentry.insert('0', '注册失败!')
                    else:
                        registersuccessentry.insert('0', '注册失败!')
  
            else:
                tkinter.messagebox.showerror(message="两次输入的密码不相同!")
  
        def registerlogin():
             
            managerindex()
  
        studentregister = Toplevel()
        x, y = window_info(studentregister)
        studentregister.title('学生信息管理系统')
        studentregister.geometry("415x295+%d+%d" % (x, y))
        studentregister['bg'] = 'dodgerblue'
  
        labelname = tkinter.Label(studentregister, text='注册学生信息管理系统', bg='dodgerblue', font=("楷体", 20))
        labelname.place(x=60, y=30, width=300, height=40)
  
        labelName = tkinter.Label(studentregister, text="账      号:", bg='dodgerblue', width=80)
        labelName.place(x=115, y=110, width=80, height=20)
  
        userentry = tkinter.Entry(studentregister, width=80)
        userentry.place(x=210, y=110, width=80, height=20)
  
        labelPwd = tkinter.Label(studentregister, text="密      码:", bg='dodgerblue', width=80)
        labelPwd.place(x=115, y=135, width=80, height=20)
  
        pwdentry = tkinter.Entry(studentregister, width=80)
        pwdentry.place(x=210, y=135, width=80, height=20)
  
        labelPwd = tkinter.Label(studentregister, text="确认密码:", bg='dodgerblue', width=80)
        labelPwd.place(x=115, y=160, width=80, height=20)
  
        confirmpwdentry = tkinter.Entry(studentregister, width=80)
        confirmpwdentry.place(x=210, y=160, width=80, height=20)
  
        registersuccessentry = tkinter.Entry(studentregister, width=80)
        registersuccessentry.place(x=125, y=190, width=165, height=20)
  
        bottonCancel = tkinter.Button(studentregister, text='注册', command=loginregister, bg='dodgerblue')
        bottonCancel.place(x=225, y=230, width=70, height=30)
        studentregister.mainloop()
    manager = Toplevel()
    manager.title(' 管理员端')
    x, y = window_info(manager)
    manager.geometry("415x295+%d+%d" % (x, y))
    manager['bg'] = 'dodgerblue'
  
    varLoginName = tkinter.StringVar()
    varLoginPwd = tkinter.StringVar()
  
    labelname = tkinter.Label(manager, text='欢迎使用学生信息管理系统', bg='dodgerblue', font=("楷体", 18))
    labelname.place(x=60, y=30, width=300, height=40)
  
    labelName = tkinter.Label(manager, text="账    号:", justify=tkinter.RIGHT, bg='dodgerblue', width=80)
    labelName.place(x=110, y=110, width=80, height=20)
    labelPwd = tkinter.Label(manager, text="密    码:", justify=tkinter.RIGHT, bg='dodgerblue', width=80)
    labelPwd.place(x=110, y=135, width=80, height=20)
  
    entryName = tkinter.Entry(manager, width=80, textvariable=varLoginName)
    entryName.place(x=210, y=110, width=80, height=20)
    entryPwd = tkinter.Entry(manager, show='*', width=80, textvariable=varLoginPwd)
    entryPwd.place(x=210, y=135, width=80, height=20)
  
    bottonOk = tkinter.Button(manager, text="登录", command=login, bg='dodgerblue')
    bottonOk.place(x=125, y=170, width=70, height=30)
    bottonCancel = tkinter.Button(manager, text='注册', command=forregister, bg='dodgerblue')
    bottonCancel.place(x=225, y=170, width=70, height=30)
  
    manager.mainloop()
  
def studentlogin():
    def forstudentregister():
         
        def loginregister():
            if pwdentry.get() == '' or confirmpwdentry.get == '':
                tkinter.messagebox.showerror(message="请输入账号密码!")
  
            elif pwdentry.get() == confirmpwdentry.get():
                connection = conn()
                cursor = cur(connection)
                try:
                    sqlpwd = "update student set loginpwd = %s where sno = %s"
                    cursor.execute(sqlpwd, ( pwdentry.get(),userentry.get()))
                    connection.commit()
                    if registersuccessentry.get() != '':
                        registersuccessentry.delete('0', 'end')
                        registersuccessentry.insert('0', '注册成功!')
                    else:
                        registersuccessentry.insert('0', '注册成功!')
                    bottonOk = tkinter.Button(studentregister, text="立即登录", command=registerlogin, bg='dodgerblue')
                    bottonOk.place(x=125, y=230, width=70, height=30)
                except:
                    connection.rollback()
                    if registersuccessentry.get() != '':
                        registersuccessentry.delete('0', 'end')
                        registersuccessentry.insert('0', '注册失败!')
                    else:
                        registersuccessentry.insert('0', '注册失败!')
  
            else:
                tkinter.messagebox.showerror(message="两次输入的密码不相同!")
                 
            return userentry.get()
         
        def registerlogin():
            studentindex(userentry.get())
             
        studentregister = Toplevel()
        x, y = window_info(studentregister)
        studentregister.title('学生信息管理系统-注册')
        studentregister.geometry("415x295+%d+%d" % (x, y))
        studentregister['bg'] = 'dodgerblue'
  
        labelname = tkinter.Label(studentregister, text='注册学生信息管理系统', bg='dodgerblue', font=("楷体", 20))
        labelname.place(x=60, y=30, width=300, height=40)
  
        labelName = tkinter.Label(studentregister, text="学      号:", bg='dodgerblue', width=80)
        labelName.place(x=115, y=110, width=80, height=20)
  
        userentry = tkinter.Entry(studentregister, width=80)
        userentry.place(x=210, y=110, width=80, height=20)
  
        labelPwd = tkinter.Label(studentregister, text="密      码:", bg='dodgerblue', width=80)
        labelPwd.place(x=115, y=135, width=80, height=20)
  
        pwdentry = tkinter.Entry(studentregister, width=80)
        pwdentry.place(x=210, y=135, width=80, height=20)
  
        labelPwd = tkinter.Label(studentregister, text="确认密码:", bg='dodgerblue', width=80)
        labelPwd.place(x=115, y=160, width=80, height=20)
  
        confirmpwdentry = tkinter.Entry(studentregister, width=80)
        confirmpwdentry.place(x=210, y=160, width=80, height=20)
  
        registersuccessentry = tkinter.Entry(studentregister, width=80)
        registersuccessentry.place(x=125, y=190, width=165, height=20)
  
        bottonCancel = tkinter.Button(studentregister, text='注册', command=loginregister, bg='dodgerblue')
        bottonCancel.place(x=225, y=230, width=70, height=30)
         
        studentregister.mainloop()
    def studentindex(name):
        loginingno=name
        print('sdfsdffds')
        def showinfor():
            def show():
                if textshowinformation.get('1.0', 'end') != '':
                    textshowinformation.delete('1.0', 'end')
                else:
                 
                    print(loginingno)
                    print('swj')
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select * from student where sno=%s', (loginingno))
                        data = list(cursor.fetchone())
                        textshowinformation.insert('insert', "学生姓名:" + data[0]
                                          + "\n" + "年龄:" + data[1]
                                          + "\n" + "学号" + data[2]
                                          + "\n" + "班级:" + data[3] + "\n\n")
                        connection.commit()
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select * from student where sno=%s', (loginingno))
                    data = list(cursor.fetchone())
                    textshowinformation.insert('insert', "学生姓名:" + data[0]
                                          + "\n" + "年龄:" + data[1]
                                          + "\n" + "学号" + data[2]
                                          + "\n" + "班级:" + data[3] + "\n\n")
                    connection.commit()
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
            def showinforcancel():
                textshowinformation.delete('1.0', 'end')
            showinformation = Toplevel()
            showinformation.title('查询学籍信息')
            x, y = window_info(showinformation)
            showinformation.geometry("415x295+%d+%d" % (x, y))
            showinformation['bg'] = 'dodgerblue'
            labelname = tkinter.Label(showinformation, text='查询学籍信息?', bg='dodgerblue')
            labelname.place(x=5, y=20, width=100, height=20)
  
            buttonshow = tkinter.Button(showinformation, text="确定", command=show)
            buttonshow.place(x=5, y=50, width=50, height=20)
  
            textshowinformation = tkinter.scrolledtext.ScrolledText(showinformation, width=60, height=9)
            textshowinformation.place(x=5, y=80)
  
            buttoncancel = tkinter.Button(showinformation, text="清空", command=showinforcancel)
            buttoncancel.place(x=5, y=210, width=50, height=20)
  
            showinformation.mainloop()
  
        def findcourseinfor():
            def show():
                if textshow.get('1.0', 'end') != '':
                    textshow.delete('1.0', 'end')
                else:
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select * from course')
                        data = list(cursor.fetchall())
                        textshow.insert('insert', "课程号:\t\t\t课程名:\t\t\t教师编号:")
                        textshow.insert('insert', "\n")
                        for i in data:
                            print(i)
                            textshow.insert('insert', '\t\t'.join(i))
                            textshow.insert('insert', "\n")
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select * from course')
                    data = list(cursor.fetchall())
                    textshow.insert('insert', "课程号:\t\t\t课程名:\t\t\t教师编号:")
                    textshow.insert('insert', "\n")
                    for i in data:
                        print(i)
                        textshow.insert('insert', '\t\t\t'.join(i))
                        textshow.insert('insert', "\n")
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
  
            def searchallcancel():
                textshow.delete('1.0', 'end')
            findall = Toplevel()
            findall.title('查询课程信息')
            x, y = window_info(findall)
            findall.geometry("520x295+%d+%d" % (x, y))
            findall['bg'] = 'dodgerblue'
            labelname = tkinter.Label(findall, text='查询所有课程信息?', bg='dodgerblue')
            labelname.place(x=5, y=20, width=100, height=20)
  
            buttonshow = tkinter.Button(findall, text="确定", command=show)
            buttonshow.place(x=5, y=50, width=50, height=20)
  
            textshow = tkinter.scrolledtext.ScrolledText(findall, width=75, height=9)
            textshow.place(x=5, y=80)
  
            buttoncancel = tkinter.Button(findall, text="清空", command=searchallcancel)
            buttoncancel.place(x=5, y=210, width=50, height=20)
  
            findall.mainloop()
             
        def selectcourse():
            def show():
                if textshow.get('1.0', 'end') != '':
                    textshow.delete('1.0', 'end')
                else:
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select * from course')
                        data = list(cursor.fetchall())
                        textshow.insert('insert', "课程号:\t\t\t课程名:\t\t\t教师编号:")
                        textshow.insert('insert', "\n")
                        for i in data:
                            print(i)
                            textshow.insert('insert', '\t\t'.join(i))
                            textshow.insert('insert', "\n")
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select * from course')
                    data = list(cursor.fetchall())
                    textshow.insert('insert', "课程号:\t\t\t课程名:\t\t\t教师编号:")
                    textshow.insert('insert', "\n")
                    for i in data:
                        print(i)
                        textshow.insert('insert', '\t\t\t'.join(i))
                        textshow.insert('insert', "\n")
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
  
            def searchallcancel():
                textshow.delete('1.0', 'end')
            def select():
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('insert into sc values(%s,%s)',
                                   (loginingno, entrysearchone.get()))
                    connection.commit()
                except:
                    if addsuccessentry.get() != '':
                        addsuccessentry.delete('0', 'end')
                        addsuccessentry.insert('0', '选课失败!')
                    else:
                        addsuccessentry.insert('0', '选课失败!')
                    connection.rollback()
                    connection.close()
                    cursor.close
                if addsuccessentry.get() != '':
                    addsuccessentry.delete('0', 'end')
                    addsuccessentry.insert('0', '选课成功!')
                else:
                    addsuccessentry.insert('0', '选课成功!')
  
            def addcancel():
                entrysearchone.delete('0', 'end')
                addsuccessentry.delete('0', 'end')
                 
                 
            findall = Toplevel()
            findall.title('学生选课')
            x, y = window_info(findall)
            findall.geometry("520x325+%d+%d" % (x, y))
            findall['bg'] = 'dodgerblue'
            labelname = tkinter.Label(findall, text='查询所有课程信息?', bg='dodgerblue')
            labelname.place(x=5, y=20, width=100, height=20)
  
            buttonshow = tkinter.Button(findall, text="确定", command=show)
            buttonshow.place(x=5, y=50, width=50, height=20)
  
            textshow = tkinter.scrolledtext.ScrolledText(findall, width=75, height=9)
            textshow.place(x=5, y=80)
  
            labelname = tkinter.Label(findall, text='请输入课程编号:', bg='dodgerblue')
            labelname.place(x=5, y=210, width=100, height=20)
  
            entrysearchone = tkinter.Entry(findall, width=200)
            entrysearchone.place(x=5, y=240, width=150, height=20)
  
            addsuccessentry = tkinter.Entry(findall, width=200)
            addsuccessentry.place(x=5, y=270, width=75, height=20) 
             
            buttoncancel = tkinter.Button(findall, text="选择", command=select)
            buttoncancel.place(x=5, y=300, width=50, height=20)
  
            buttoncancel = tkinter.Button(findall, text="重置", command=addcancel)
            buttoncancel.place(x=105, y=300, width=50, height=20)
  
            findall.mainloop()
             
             
        def findselectcourseinfor():
            def show():
                print('swj')
                if textshow.get('1.0', 'end') != '':
                    textshow.delete('1.0', 'end')
                else:
                    connection = conn()
                    cursor = cur(connection)
                    try:
                        cursor.execute('select sno,sname,sclass,cno,cname from student,course where student.sno=sc.sno and course.cno=sc.cno and sno=%s',(loginingno))
                        data = list(cursor.fetchall())
                        textshow.insert('insert', "学号:\t\t姓名:\t\t班级:\t\t课程编号:\t\t课程名:")
                        textshow.insert('insert', "\n")
                        for i in data:
                            print(i)
                            textshow.insert('insert', '\t\t'.join(i))
                            textshow.insert('insert', "\n")
                    except:
                        connection.rollback()
                        connection.close()
                        cursor.close
                connection = conn()
                cursor = cur(connection)
                try:
                    cursor.execute('select sc.sno,sname,sclass,sc.cno,course.cname from student,course,sc where student.sno=sc.sno and course.cno=sc.cno and sc.sno=%s',(loginingno))
                    data = list(cursor.fetchall())
                    textshow.insert('insert', "学号:\t\t姓名:\t\t班级:\t\t课程编号:\t\t课程名:")
                    textshow.insert('insert', "\n")
                    for i in data:
                        print(i)
                        textshow.insert('insert', '\t\t'.join(i))
                        textshow.insert('insert', "\n")
                except:
                    connection.rollback()
                    connection.close()
                    cursor.close
  
            def searchallcancel():
                textshow.delete('1.0', 'end')
            findall = Toplevel()
            findall.title('查询选课信息')
            x, y = window_info(findall)
            findall.geometry("520x295+%d+%d" % (x, y))
            findall['bg'] = 'dodgerblue'
            labelname = tkinter.Label(findall, text='查询选课信息?', bg='dodgerblue')
            labelname.place(x=5, y=20, width=100, height=20)
  
            buttonshow = tkinter.Button(findall, text="确定", command=show)
            buttonshow.place(x=5, y=50, width=50, height=20)
  
            textshow = tkinter.scrolledtext.ScrolledText(findall, width=105, height=9)
            textshow.place(x=5, y=80)
  
            buttoncancel = tkinter.Button(findall, text="清空", command=searchallcancel)
            buttoncancel.place(x=5, y=210, width=50, height=20)
  
            findall.mainloop()
         
        print(3)
        indexofstudent = Toplevel()
        indexofstudent.title('学生信息管理系统-学生')
        x, y = window_info(indexofstudent)
        indexofstudent.geometry("430x425+%d+%d" % (x, y))
        indexofstudent['bg'] = 'dodgerblue'
  
        labelname = tkinter.Label(indexofstudent, text='欢迎使用学生信息管理系统', bg='dodgerblue', font=("楷体", 20))
        labelname.place(x=60, y=30, width=350, height=40)
  
        buttonadd = tkinter.Button(indexofstudent, text="查询学籍信息", command=showinfor)
        buttonadd.place(x=150, y=90, width=100, height=40)
  
        buttonadd = tkinter.Button(indexofstudent, text="查询课程信息", command=findcourseinfor)
        buttonadd.place(x=150, y=140, width=100, height=40)
  
        buttonadd = tkinter.Button(indexofstudent, text="选    课", command=selectcourse)
        buttonadd.place(x=150, y=190, width=100, height=40)
  
        buttonadd = tkinter.Button(indexofstudent, text="查询选课信息", command=findselectcourseinfor)
        buttonadd.place(x=150, y=240, width=100, height=40)
  
        buttonadd = tkinter.Button(indexofstudent, text="退出系统", command=exitsys)
        buttonadd.place(x=150, y=290, width=100, height=40)
  
        indexofstudent.mainloop()
    def login():
        name = entryName.get()
        pwd = entryPwd.get()
        connection = conn()
        cursor = cur(connection)
        cursor.execute('select * from student')
        data = list(cursor.fetchall())
        print(data)
        if data == []:
            tkinter.messagebox.showerror(message="账号或密码错误!")
            return 0
        for i in data:
            print(i[2])
            print(i[4])
            if i[2] == name and i[4] == pwd:
                studentindex(name)
         
         
    student = Toplevel()
    student.title(' 登录-学生端')
    x, y = window_info(student)
    student.geometry("415x295+%d+%d" % (x, y))
    student['bg'] = 'dodgerblue'
  
    labelname = tkinter.Label(student, text='欢迎使用学生信息管理系统', bg='dodgerblue', font=("楷体", 18))
    labelname.place(x=60, y=30, width=300, height=40)
  
    labelName = tkinter.Label(student, text="学    号:", bg='dodgerblue', width=80)
    labelName.place(x=110, y=110, width=80, height=20)
    labelPwd = tkinter.Label(student, text="密    码:", bg='dodgerblue', width=80)
    labelPwd.place(x=110, y=135, width=80, height=20)
  
    entryName = tkinter.Entry(student, width=80, textvariable=varLoginName)
    entryName.place(x=210, y=110, width=80, height=20)
    entryPwd = tkinter.Entry(student, show='*', width=80, textvariable=varLoginPwd)
    entryPwd.place(x=210, y=135, width=80, height=20)
  
    bottonOk = tkinter.Button(student, text="登录", command=login, bg='dodgerblue')
    bottonOk.place(x=125, y=170, width=70, height=30)
    bottonCancel = tkinter.Button(student, text='注册', command=forstudentregister, bg='dodgerblue')
    bottonCancel.place(x=225, y=170, width=70, height=30)
  
    student.mainloop()
  
  
  
root=tkinter.Tk(className=' 学生信息管理系统')
x,y=window_info(root)
root.geometry("415x295+%d+%d"%(x,y))
root['bg']='dodgerblue'
  
varLoginName=tkinter.StringVar()
varLoginPwd=tkinter.StringVar()
  
labelname = tkinter.Label(root, text='欢迎使用学生信息管理系统', bg='dodgerblue', font=("楷体", 18))
labelname.place(x=60, y=30, width=300, height=40)
  
  
bottonOk=tkinter.Button(root,text="学生登录",command=studentlogin,bg='dodgerblue')
bottonOk.place(x=150,y=140,width=100,height=40)
bottonCancel=tkinter.Button(root,text='管理员登录',command=teacherlogin,bg='dodgerblue')
bottonCancel.place(x=150,y=200,width=100,height=40)
  
def createdatabase():
    conn = pymysql.connect("localhost", "root", "root")
    cur = conn.cursor()
    cur.execute('create database if not exists sch')
  
def createtable():
    connection = conn()
    cursor = cur(connection)
    sqlstudent="""create table if not exists student(
                    sname char(45) not null,
                    sage char(45),
                    sno char(45) primary key,
                    sclass char(45),
                    loginpwd char(45)
                    )engine=innodb"""
    cursor.execute(sqlstudent)
     
     
    sqllogin="""create table if not exists login(
                    user char(45)primary key,
                    password char(45) not null
                    )engine=innodb"""
    cursor.execute(sqllogin)
    connection.commit()
    cursor.execute("""insert into login(user,password) values('user','pwd')""")
    connection.commit()
     
    sqlteacher="""create table if not exists teacher(
                    tno char(45) primary key,
                    tname char(45) 
                    )engine=innodb"""
    cursor.execute(sqlteacher)
    connection.commit()
  
    sqlcourse="""create table if not exists course(
                        cno char(45) ,
                        cname char(45),
                        tno char(45),
                        constraint pk_course primary key (cno,tno)
                        )engine=innodb"""
    cursor.execute(sqlcourse)
    connection.commit()
  
    sqlsc="""create table if not exists sc(
                        sno char(45),
                        cno char(45),
                        constraint pk_sc primary key (sno,cno)
                        )engine=innodb"""
    cursor.execute(sqlsc)
    connection.commit()
  
     
createdatabase()
createtable()
  
root.mainloop()


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