import pymysql from tkinter import ttk import tkinter as tk import tkinter.font as tkFont from tkinter import * # 图形界面库 import tkinter.messagebox as messagebox # 弹窗 class StartPage: def __init__(self, parent_window): parent_window.destroy() # 销毁子界面 self.window = tk.Tk() # 初始框的声明 self.window.title('学生信息管理系统') self.window.geometry('300x470') # 这里的乘是小x label = Label(self.window, text="学生信息管理系统", font=("Verdana", 20)) label.pack(pady=100) # pady=100 界面的长度 Button(self.window, text="管理员登陆", font=tkFont.Font(size=16), command=lambda: AdminPage(self.window), width=30, height=2, fg='white', bg='gray', activebackground='black', activeforeground='white').pack() Button(self.window, text="学生登陆", font=tkFont.Font(size=16), command=lambda: StudentPage(self.window), width=30, height=2, fg='white', bg='gray', activebackground='black', activeforeground='white').pack() Button(self.window, text="关于", font=tkFont.Font(size=16), command=lambda: AboutPage(self.window), width=30, height=2, fg='white', bg='gray', activebackground='black', activeforeground='white').pack() Button(self.window, text='退出系统', height=2, font=tkFont.Font(size=16), width=30, command=self.window.destroy, fg='white', bg='gray', activebackground='black', activeforeground='white').pack() self.window.mainloop() # 主消息循环 # 管理员登陆页面 class AdminPage: def __init__(self, parent_window): parent_window.destroy() # 销毁主界面 self.window = tk.Tk() # 初始框的声明 self.window.title('管理员登陆页面') self.window.geometry('300x450') # 这里的乘是小x label = tk.Label(self.window, text='管理员登陆', bg='green', font=('Verdana', 20), width=30, height=2) label.pack() Label(self.window, text='管理员账号：', font=tkFont.Font(size=14)).pack(pady=25) self.admin_username = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory') self.admin_username.pack() Label(self.window, text='管理员密码：', font=tkFont.Font(size=14)).pack(pady=25) self.admin_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*') self.admin_pass.pack() Button(self.window, text="登陆", width=8, font=tkFont.Font(size=12), command=self.login).pack(pady=40) Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack() self.window.protocol("WM_DELETE_WINDOW", self.back) # 捕捉右上角关闭点击 self.window.mainloop() # 进入消息循环 def login(self): print(str(self.admin_username.get())) print(str(self.admin_pass.get())) admin_pass = None # 数据库操作 查询管理员表 db = pymysql.connect("localhost", "root", "123456", "student") # 打开数据库连接 cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "SELECT * FROM admin_login_k WHERE admin_id = '%s'" % (self.admin_username.get()) # SQL 查询语句 try: # 执行SQL语句 cursor.execute(sql) # 获取所有记录列表 results = cursor.fetchall() for row in results: admin_id = row[0] admin_pass = row[1] # 打印结果 print("admin_id=%s,admin_pass=%s" % (admin_id, admin_pass)) except: print("Error: unable to fecth data") messagebox.showinfo('警告！', '用户名或密码不正确！') db.close() # 关闭数据库连接 print("正在登陆管理员管理界面") print("self", self.admin_pass) print("local", admin_pass) if self.admin_pass.get() == admin_pass: AdminManage(self.window) # 进入管理员操作界面 else: messagebox.showinfo('警告！', '用户名或密码不正确！') def back(self): StartPage(self.window) # 显示主窗口 销毁本窗口 # 学生登陆页面 class StudentPage: def __init__(self, parent_window): parent_window.destroy() # 销毁主界面 self.window = tk.Tk() # 初始框的声明 self.window.title('学生登陆') self.window.geometry('300x450') # 这里的乘是小x label = tk.Label(self.window, text='学生登陆', bg='green', font=('Verdana', 20), width=30, height=2) label.pack() Label(self.window, text='学生账号：', font=tkFont.Font(size=14)).pack(pady=25) self.student_id = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory') self.student_id.pack() Label(self.window, text='学生密码：', font=tkFont.Font(size=14)).pack(pady=25) self.student_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*') self.student_pass.pack() Button(self.window, text="登陆", width=8, font=tkFont.Font(size=12), command=self.login).pack(pady=40) Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack() self.window.protocol("WM_DELETE_WINDOW", self.back) # 捕捉右上角关闭点击 self.window.mainloop() # 进入消息循环 def login(self): print(str(self.student_id.get())) print(str(self.student_pass.get())) stu_pass = None # 数据库操作 查询管理员表 db = pymysql.connect("localhost", "root", "123456", "student") # 打开数据库连接 cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "SELECT * FROM stu_login_k WHERE stu_id = '%s'" % (self.student_id.get()) # SQL 查询语句 try: # 执行SQL语句 cursor.execute(sql) # 获取所有记录列表 results = cursor.fetchall() for row in results: stu_id = row[0] stu_pass = row[1] # 打印结果 print("stu_id=%s,stu_pass=%s" % (stu_id, stu_pass)) except: print("Error: unable to fecth data") messagebox.showinfo('警告！', '用户名或密码不正确！') db.close() # 关闭数据库连接 print("正在登陆学生信息查看界面") print("self", self.student_pass.get()) print("local", stu_pass) if self.student_pass.get() == stu_pass: StudentView(self.window, self.student_id.get()) # 进入学生信息查看界面 else: messagebox.showinfo('警告！', '用户名或密码不正确！') def back(self): StartPage(self.window) # 显示主窗口 销毁本窗口 # 管理员操作界面 class AdminManage: def __init__(self, parent_window): parent_window.destroy() # 销毁主界面 self.window = Tk() # 初始框的声明 self.window.title('管理员操作界面') self.frame_left_top = tk.Frame(width=300, height=200) self.frame_right_top = tk.Frame(width=200, height=200) self.frame_center = tk.Frame(width=500, height=400) self.frame_bottom = tk.Frame(width=650, height=50) # 定义下方中心列表区域 self.columns = ("学号", "姓名", "性别", "年龄") self.tree = ttk.Treeview(self.frame_center, show="headings", height=18, columns=self.columns) self.vbar = ttk.Scrollbar(self.frame_center, orient=VERTICAL, command=self.tree.yview) # 定义树形结构与滚动条 self.tree.configure(yscrollcommand=self.vbar.set) # 表格的标题 self.tree.column("学号", width=150, anchor='center') # 表示列,不显示 self.tree.column("姓名", width=150, anchor='center') self.tree.column("性别", width=100, anchor='center') self.tree.column("年龄", width=100, anchor='center') # 调用方法获取表格内容插入 self.tree.grid(row=0, column=0, sticky=NSEW) self.vbar.grid(row=0, column=1, sticky=NS) self.id = [] self.name = [] self.gender = [] self.age = [] # 打开数据库连接 db = pymysql.connect("localhost", "root", "root", "student") cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "SELECT * FROM student_k" # SQL 查询语句 try: # 执行SQL语句 cursor.execute(sql) # 获取所有记录列表 results = cursor.fetchall() for row in results: self.id.append(row[0]) self.name.append(row[1]) self.gender.append(row[2]) self.age.append(row[3]) # print(self.id) # print(self.name) # print(self.gender) # print(self.age) except: print("Error: unable to fetch data") messagebox.showinfo('警告！', '数据库连接失败！') db.close() # 关闭数据库连接 print("test***********************") for i in range(min(len(self.id), len(self.name), len(self.gender), len(self.age))): # 写入数据 self.tree.insert('', i, values=(self.id[i], self.name[i], self.gender[i], self.age[i])) for col in self.columns: # 绑定函数，使表头可排序 self.tree.heading(col, text=col, command=lambda _col=col: self.tree_sort_column(self.tree, _col, False)) # 定义顶部区域 # 定义左上方区域 self.top_title = Label(self.frame_left_top, text="学生信息:", font=('Verdana', 20)) self.top_title.grid(row=0, column=0, columnspan=2, sticky=NSEW, padx=50, pady=10) self.left_top_frame = tk.Frame(self.frame_left_top) self.var_id = StringVar() # 声明学号 self.var_name = StringVar() # 声明姓名 self.var_gender = StringVar() # 声明性别 self.var_age = StringVar() # 声明年龄 # 学号 self.right_top_id_label = Label(self.frame_left_top, text="学号：", font=('Verdana', 15)) self.right_top_id_entry = Entry(self.frame_left_top, textvariable=self.var_id, font=('Verdana', 15)) self.right_top_id_label.grid(row=1, column=0) # 位置设置 self.right_top_id_entry.grid(row=1, column=1) # 姓名 self.right_top_name_label = Label(self.frame_left_top, text="姓名：", font=('Verdana', 15)) self.right_top_name_entry = Entry(self.frame_left_top, textvariable=self.var_name, font=('Verdana', 15)) self.right_top_name_label.grid(row=2, column=0) # 位置设置 self.right_top_name_entry.grid(row=2, column=1) # 性别 self.right_top_gender_label = Label(self.frame_left_top, text="性别：", font=('Verdana', 15)) self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_gender, font=('Verdana', 15)) self.right_top_gender_label.grid(row=3, column=0) # 位置设置 self.right_top_gender_entry.grid(row=3, column=1) # 年龄 self.right_top_gender_label = Label(self.frame_left_top, text="年龄：", font=('Verdana', 15)) self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_age, font=('Verdana', 15)) self.right_top_gender_label.grid(row=4, column=0) # 位置设置 self.right_top_gender_entry.grid(row=4, column=1) # 定义右上方区域 self.right_top_title = Label(self.frame_right_top, text="操作：", font=('Verdana', 20)) self.tree.bind('', self.click) # 左键获取位置 self.right_top_button1 = ttk.Button(self.frame_right_top, text='新建学生信息', width=20, command=self.new_row) self.right_top_button2 = ttk.Button(self.frame_right_top, text='更新选中学生信息', width=20, command=self.updata_row) self.right_top_button3 = ttk.Button(self.frame_right_top, text='删除选中学生信息', width=20, command=self.del_row) # 位置设置 self.right_top_title.grid(row=1, column=0, pady=10) self.right_top_button1.grid(row=2, column=0, padx=20, pady=10) self.right_top_button2.grid(row=3, column=0, padx=20, pady=10) self.right_top_button3.grid(row=4, column=0, padx=20, pady=10) # 整体区域定位 self.frame_left_top.grid(row=0, column=0, padx=2, pady=5) self.frame_right_top.grid(row=0, column=1, padx=30, pady=30) self.frame_center.grid(row=1, column=0, columnspan=2, padx=4, pady=5) self.frame_bottom.grid(row=2, column=0, columnspan=2) self.frame_left_top.grid_propagate(0) self.frame_right_top.grid_propagate(0) self.frame_center.grid_propagate(0) self.frame_bottom.grid_propagate(0) self.frame_left_top.tkraise() # 开始显示主菜单 self.frame_right_top.tkraise() # 开始显示主菜单 self.frame_center.tkraise() # 开始显示主菜单 self.frame_bottom.tkraise() # 开始显示主菜单 self.window.protocol("WM_DELETE_WINDOW", self.back) # 捕捉右上角关闭点击 self.window.mainloop() # 进入消息循环 def back(self): StartPage(self.window) # 显示主窗口 销毁本窗口 def click(self, event): self.col = self.tree.identify_column(event.x) # 列 self.row = self.tree.identify_row(event.y) # 行 print(self.col) print(self.row) self.row_info = self.tree.item(self.row, "values") self.var_id.set(self.row_info[0]) self.var_name.set(self.row_info[1]) self.var_gender.set(self.row_info[2]) self.var_age.set(self.row_info[3]) self.right_top_id_entry = Entry(self.frame_left_top, state='disabled', textvariable=self.var_id, font=('Verdana', 15)) print('') def tree_sort_column(self, tv, col, reverse): # Treeview、列名、排列方式 l = [(tv.set(k, col), k) for k in tv.get_children('')] l.sort(reverse=reverse) # 排序方式 # rearrange items in sorted positions for index, (val, k) in enumerate(l): # 根据排序后索引移动 tv.move(k, '', index) tv.heading(col, command=lambda: self.tree_sort_column(tv, col, not reverse)) # 重写标题，使之成为再点倒序的标题 def new_row(self): print('123') print(self.var_id.get()) print(self.id) if str(self.var_id.get()) in self.id: messagebox.showinfo('警告！', '该学生已存在！') else: if self.var_id.get() != '' and self.var_name.get() != '' and self.var_gender.get() != '' and self.var_age.get() != '': # 打开数据库连接 db = pymysql.connect("localhost", "root", "root", "student") cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "INSERT INTO student_k(id, name, gender, age) \ VALUES ('%s', '%s', '%s', '%s')" % \ (self.var_id.get(), self.var_name.get(), self.var_gender.get(), self.var_age.get()) # SQL 插入语句 try: cursor.execute(sql) # 执行sql语句 db.commit() # 提交到数据库执行 except: db.rollback() # 发生错误时回滚 messagebox.showinfo('警告！', '数据库连接失败！') db.close() # 关闭数据库连接 self.id.append(self.var_id.get()) self.name.append(self.var_name.get()) self.gender.append(self.var_gender.get()) self.age.append(self.var_age.get()) self.tree.insert('', len(self.id) - 1, values=( self.id[len(self.id) - 1], self.name[len(self.id) - 1], self.gender[len(self.id) - 1], self.age[len(self.id) - 1])) self.tree.update() messagebox.showinfo('提示！', '插入成功！') else: messagebox.showinfo('警告！', '请填写学生数据') def updata_row(self): res = messagebox.askyesnocancel('警告！', '是否更新所填数据？') if res == True: if self.var_id.get() == self.row_info[0]: # 如果所填学号 与 所选学号一致 # 打开数据库连接 db = pymysql.connect("localhost", "root", "root", "student") cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "UPDATE student_k SET name = '%s', gender = '%s', age = '%s' \ WHERE id = '%s'" % ( self.var_name.get(), self.var_gender.get(), self.var_age.get(), self.var_id.get()) # SQL 插入语句 try: cursor.execute(sql) # 执行sql语句 db.commit() # 提交到数据库执行 messagebox.showinfo('提示！', '更新成功！') except: db.rollback() # 发生错误时回滚 messagebox.showinfo('警告！', '更新失败，数据库连接失败！') db.close() # 关闭数据库连接 id_index = self.id.index(self.row_info[0]) self.name[id_index] = self.var_name.get() self.gender[id_index] = self.var_gender.get() self.age[id_index] = self.var_age.get() self.tree.item(self.tree.selection()[0], values=( self.var_id.get(), self.var_name.get(), self.var_gender.get(), self.var_age.get())) # 修改对于行信息 else: messagebox.showinfo('警告！', '不能修改学生学号！') def del_row(self): res = messagebox.askyesnocancel('警告！', '是否删除所选数据？') if res == True: print(self.row_info[0]) # 鼠标选中的学号 print(self.tree.selection()[0]) # 行号 print(self.tree.get_children()) # 所有行 # 打开数据库连接 db = pymysql.connect("localhost", "root", "root", "student") cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "DELETE FROM student_k WHERE id = '%s'" % (self.row_info[0]) # SQL 插入语句 try: cursor.execute(sql) # 执行sql语句 db.commit() # 提交到数据库执行 messagebox.showinfo('提示！', '删除成功！') except: db.rollback() # 发生错误时回滚 messagebox.showinfo('警告！', '删除失败，数据库连接失败！') db.close() # 关闭数据库连接 id_index = self.id.index(self.row_info[0]) print(id_index) del self.id[id_index] del self.name[id_index] del self.gender[id_index] del self.age[id_index] print(self.id) self.tree.delete(self.tree.selection()[0]) # 删除所选行 print(self.tree.get_children()) # 学生查看信息界面 class StudentView: def __init__(self, parent_window, student_id): parent_window.destroy() # 销毁主界面 self.window = tk.Tk() # 初始框的声明 self.window.title('关于') self.window.geometry('300x450') # 这里的乘是小x label = tk.Label(self.window, text='学生信息查看', bg='green', font=('Verdana', 20), width=30, height=2) label.pack(pady=20) self.id = '学号:' + '' self.name = '姓名:' + '' self.gender = '性别:' + '' self.age = '年龄:' + '' # 打开数据库连接 db = pymysql.connect("localhost", "root", "root", "student") cursor = db.cursor() # 使用cursor()方法获取操作游标 sql = "SELECT * FROM student_k WHERE id = '%s'" % (student_id) # SQL 查询语句 try: # 执行SQL语句 cursor.execute(sql) # 获取所有记录列表 results = cursor.fetchall() for row in results: self.id = '学号:' + row[0] self.name = '姓名:' + row[1] self.gender = '性别:' + row[2] self.age = '年龄:' + row[3] except: print("Error: unable to fetch data") db.close() # 关闭数据库连接 Label(self.window, text=self.id, font=('Verdana', 18)).pack(pady=5) Label(self.window, text=self.name, font=('Verdana', 18)).pack(pady=5) Label(self.window, text=self.gender, font=('Verdana', 18)).pack(pady=5) Label(self.window, text=self.age, font=('Verdana', 18)).pack(pady=5) Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=16), command=self.back).pack(pady=25) self.window.protocol("WM_DELETE_WINDOW", self.back) # 捕捉右上角关闭点击 self.window.mainloop() # 进入消息循环 def back(self): StartPage(self.window) # 显示主窗口 销毁本窗口 # About页面 class AboutPage: def __init__(self, parent_window): parent_window.destroy() # 销毁主界面 self.window = tk.Tk() # 初始框的声明 self.window.title('关于') self.window.geometry('300x450') # 这里的乘是小x label = tk.Label(self.window, text='学生信息管理系统', bg='green', font=('Verdana', 20), width=30, height=2) label.pack() Label(self.window, text='作者：清晨的光明', font=('Verdana', 18)).pack(pady=30) Label(self.window, text='blog.csdn.net/kdongyi', font=('Verdana', 18)).pack(pady=5) Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack(pady=100) self.window.protocol("WM_DELETE_WINDOW", self.back) # 捕捉右上角关闭点击 self.window.mainloop() # 进入消息循环 def back(self): StartPage(self.window) # 显示主窗口 销毁本窗口 if __name__ == '__main__': try: # 打开数据库连接 连接测试 db = pymysql.connect("localhost", "root", "root", "student") # 使用cursor()方法获取操作游标 cursor = db.cursor() # 如果数据表不存在则创建表 若存在则跳过 # 设置主键唯一 sql = """CREATE TABLE IF NOT EXISTS student_k( id char(20) NOT NULL, name char(20) default NULL, gender char(5) default NULL, age char(5) default NULL, PRIMARY KEY (id) ) ENGINE = InnoDB DEFAULT CHARSET = utf8 """ cursor.execute(sql) # 如果数据表不存在则创建表 若存在则跳过 sql = """CREATE TABLE IF NOT EXISTS admin_login_k( admin_id char(20) NOT NULL, admin_pass char(20) default NULL, PRIMARY KEY (admin_id) ) ENGINE = InnoDB DEFAULT CHARSET = utf8 """ cursor.execute(sql) # 如果数据表不存在则创建表 若存在则跳过 sql = """CREATE TABLE IF NOT EXISTS stu_login_k( stu_id char(20) NOT NULL, stu_pass char(20) default NULL, PRIMARY KEY (stu_id) ) ENGINE = InnoDB DEFAULT CHARSET = utf8 """ cursor.execute(sql) # 关闭数据库连接 db.close() # 实例化Application window = tk.Tk() StartPage(window) except: messagebox.showinfo('错误！', '连接数据库失败！')