MySQL数据库模块
-- MySQL dump 10.13 Distrib 8.0.18, for Win64 (x86_64)---- Host: localhost Database: library-- -------------------------------------------------------- Server version8.0.18/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;/*!50503 SET NAMES utf8 */;/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;/*!40103 SET TIME_ZONE='+00:00' */;/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;---- Dumping data for table `admin_login_k`--LOCK TABLES `admin_login_k` WRITE;/*!40000 ALTER TABLE `admin_login_k` DISABLE KEYS */;INSERT INTO `admin_login_k` VALUES ('123','123');/*!40000 ALTER TABLE `admin_login_k` ENABLE KEYS */;UNLOCK TABLES;---- Dumping data for table `book_k`--LOCK TABLES `book_k` WRITE;/*!40000 ALTER TABLE `book_k` DISABLE KEYS */;INSERT INTO `book_k` VALUES ('1001','《python》','于孟林',11);/*!40000 ALTER TABLE `book_k` ENABLE KEYS */;UNLOCK TABLES;---- Dumping data for table `stu_k`--LOCK TABLES `stu_k` WRITE;/*!40000 ALTER TABLE `stu_k` DISABLE KEYS */;INSERT INTO `stu_k` VALUES ('123','于孟林','123',0),('124','刘海','******',10);/*!40000 ALTER TABLE `stu_k` ENABLE KEYS */;UNLOCK TABLES;/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;-- Dump completed on -12-20 22:15:38
Python源代码模块
import pymysqlfrom tkinter import ttkimport tkinter as tkimport tkinter.font as tkFontfrom tkinter import *import tkinter.messagebox as messageboxclass StartPage:def __init__(self, parent_window):parent_window.destroy()self.window = Tk()self.window.title('图书馆管理系统')self.window.geometry('450x450')self.window.configure(bg ="SkyBlue")label = Label(self.window, text="欢迎使用图书馆管理系统",font=("Verdana", 22),bg='LightSeaGreen')label.pack(pady=50)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='green', 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='green',activebackground='black', activeforeground='white').pack()Button(self.window,text='使用说明',font=tkFont.Font(size=16),command=lambda:AboutPage(self.window),width=30,height=2,fg='white',bg='green',activebackground='black', activeforeground='white').pack()self.window.mainloop()class AboutPage:def __init__(self, parent_window):parent_window.destroy()self.window = tk.Tk() # 初始框的声明self.window.title('使用说明')self.window.geometry('450x450') # 这里的乘是小xself.window.configure(bg ="SkyBlue")label = tk.Label(self.window, text='图书馆管理系统使用说明', bg='green', font=('Verdana', 20), width=30, height=2)label.pack()Label(self.window, text='1.系统用户由学生和管理员组成，\n学生账号并不是注册的而是管理员\n添加。管理员只有一个初始账号和\n密码均为123.', font=('Verdana', 18)).pack(pady=30)Label(self.window, text='2.系统初步实现了借书还书，图书\n管理（管理员），学生管理功能.', font=('Verdana', 18)).pack(padx=1,pady=5)Label(self.window, text='3.待开发功能为获取借书，还书时\n间等详细记录.', font=('Verdana', 18)).pack(padx=1,pady=5)Label(self.window, text='4.系统使用Mysql数据库进行开发', font=('Verdana', 18)).pack(padx=1, pady=5)Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack(padx=1,pady=100)self.window.protocol("WM_DELETE_WINDOW", self.back) # 捕捉右上角关闭点击class Adminpage: # 一个类里千万不要定义两个一样的方法呀！!!!!!def __init__(self, parent_window):parent_window.destroy()print('执行到Adminpage的第一个方法了')self.window = tk.Tk()self.window.title('管理员登陆页面')self.window.geometry('450x450')self.window.configure(bg ="SkyBlue")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_id = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')self.admin_id.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,show='*',width=30, font=tkFont.Font(size=14), bg='Ivory')self.admin_pass.pack()Button(self.window, text='登陆', width=8, font=tkFont.Font(size=12), command=self.login).pack(padx=30,pady=40)Button(self.window, text='返回首页', width=8, font=tkFont.Font(size=12), command=self.back).pack(padx=30,pady=5)self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()def login(self):id=str(self.admin_id.get())pas=str(self.admin_pass.get())print("执行到Adminage的login方法了")print(id)print('**')print(pas)db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "select * from admin_login_k"cursor.execute(sql)results = cursor.fetchall()for row in results:print(row[0], ' ', row[1])f=0for row in results:if id == row[0]:f=1if pas == row[1]:AdminManage(self.window)else:messagebox.showinfo("警告", "密码错误!")self.admin_pass.delete(0,END)if f==0:messagebox.showinfo("警告", "用户名不存在")self.admin_id.delete(0, END)self.admin_pass.delete(0, END)db.close()def back(self):StartPage(self.window) # 回到主窗口class AdminManage:def __init__(self, parent_window):parent_window.destroy()self.window = Tk()self.window.title('管理员操作界面')self.window.configure(bg ="SkyBlue")self.window.geometry('450x450')Button(self.window, text='学生管理', width=20,bg='green', font=tkFont.Font(size=30), command=self.Stu_Manage).grid(row=10, column=40,padx=30, pady=30)Button(self.window, text='图书管理', width=20,bg='green', font=tkFont.Font(size=30), command=self.Book_Manage).grid(row=20,column=40,padx=30, pady=30)Button(self.window, text='返回首页', width=20,bg='green', font=tkFont.Font(size=30), command=self.back).grid(row=30,column=40,padx=30, pady=30)def Stu_Manage(self):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)self.columns = ("学号", "姓名", "密码", "借阅数量")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)self.tree.configure(yscrollcommand=self.vbar.set)self.tree.column("学号", width=150, anchor='center')self.tree.column("姓名", width=150, anchor='center')self.tree.column("密码", width=100, anchor='center')self.tree.column("借阅数量", width=100, anchor='center')self.tree.grid(row=0, column=0, sticky=NSEW)self.vbar.grid(row=0, column=1, sticky=NS)self.id = []self.name = []self.author = []self.count = []db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "SELECT * FROM stu_k"try:cursor.execute(sql)results = cursor.fetchall()for row in results:self.id.append(row[0])self.name.append(row[1])self.author.append(row[2])self.count.append(row[3])except:print("Error: unable to fetch data")messagebox.showinfo('警告！', '数据库连接失败！')db.close()for i in range(min(len(self.id), len(self.name), len(self.author), len(self.count))): # 写入数据self.tree.insert('', i, values=(self.id[i], self.name[i], '******', self.count[i]))for col in self.columns:self.tree.heading(col, text=col,command=lambda _col=col: self.tree_sort_column1(self.tree, _col, False))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()self.var_name = StringVar()self.var_author = StringVar()self.var_count = StringVar()# 图书号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)self.right_top_id_entry.grid(row=1, column=1)# 书名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)self.right_top_name_entry.grid(row=2, column=1)# 作者self.right_top_gender_label = Label(self.frame_left_top, text="密码：", font=('Verdana', 15))self.right_top_gender_entry = Entry(self.frame_left_top,show='*', textvariable=self.var_author,font=('Verdana', 15))self.right_top_gender_label.grid(row=3, column=0)self.right_top_gender_entry.grid(row=3, column=1)# 数量self.right_top_gender_label = Label(self.frame_left_top, text="借阅数量：", font=('Verdana', 15))self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_count,font=('Verdana', 15))self.right_top_gender_label.grid(row=4, column=0)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('<Button-1>', self.click1)self.right_top_button1 = ttk.Button(self.frame_right_top, text='新建学生信息', width=20, command=self.new_row1)self.right_top_button2 = ttk.Button(self.frame_right_top, text='更新选中学生信息', width=20,command=self.updata_row1)self.right_top_button3 = ttk.Button(self.frame_right_top, text='删除选中学生信息', width=20,command=self.del_row1)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)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()self.frame_right_top.tkraise()self.frame_center.tkraise()self.frame_bottom.tkraise()self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()def click1(self, event):self.col = self.tree.identify_column(event.x)self.row = self.tree.identify_row(event.y)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_author.set(self.row_info[2])self.var_count.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_column1(self, tv, col, reverse):l = [(tv.set(k, col), k) for k in tv.get_children('')]l.sort(reverse=reverse)# rearrange items in sorted positionsfor index, (val, k) in enumerate(l):tv.move(k, '', index)tv.heading(col, command=lambda: self.tree_sort_column(tv, col, not reverse))def new_row1(self):print('执行到AdminManet的new_row方法了')idd=self.var_id.get()namee=self.var_name.get()authorr=self.var_author.get()countt=self.var_count.get()print(idd)print(authorr)print(countt)print(namee)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_count.get() != '' and self.var_author.get() != '':db = pymysql.connect(host='localhost', # 地址 本机127.0.0.1或localhostport=3306, # 数据库的端口号 Navicat是3306user='root', # 用户 rootpasswd='YML852137', # 密码charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "insert into stu_k(id,name,password,count)\values('%s','%s','%s','%s')" % \(self.var_id.get(), self.var_name.get(), self.var_author.get(), self.var_count.get())cursor.execute(sql)mit()#try:# print('提交数据库执行')# cursor.execute(sql)# mit()#except:# db.rollback()# messagebox.showinfo('警告', '数据库连接失败')db.close()self.id.append(self.var_id.get())self.name.append(self.var_name.get())self.author.append(self.var_author.get())self.count.append(self.var_count.get())self.tree.insert('', len(self.id) - 1, value=(self.id[len(self.id) - 1], self.name[len(self.id) - 1], self.author[len(self.id) - 1],self.count[len(self.id) - 1]))self.tree.update()messagebox.showinfo('提示!', '插入成功')else:messagebox.showinfo('警告', '请填写图书信息')def updata_row1(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]:db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "UPDATE stu_k SET name = '%s', password = '%s', count = '%s' \WHERE id = '%s'" % (self.var_name.get(), self.var_author.get(), self.var_count.get(), self.var_id.get())try:cursor.execute(sql)mit()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.author[id_index] = self.var_author.get()self.count[id_index] = self.var_count.get()self.tree.item(self.tree.selection()[0], values=(self.var_id.get(), self.var_name.get(), self.var_author.get(),self.var_count.get())) # 修改对于行信息else:messagebox.showinfo('警告！', '不能修改学生学号！')def del_row1(self):res = messagebox.askyesnocancel('警告！', '是否删除所选数据？')if res == True:print(self.row_info[0])print(self.tree.selection()[0])print(self.tree.get_children())db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "DELETE FROM stu_k WHERE id = '%s'" % (self.row_info[0])try:cursor.execute(sql)mit()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()id_index = self.id.index(self.row_info[0])print(id_index)del self.id[id_index]del self.name[id_index]del self.author[id_index]del self.count[id_index]print(self.id)self.tree.delete(self.tree.selection()[0])print(self.tree.get_children())def Book_Manage(self):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)self.columns = ("图书号", "书名", "作者", "数量")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)self.tree.configure(yscrollcommand=self.vbar.set)self.tree.column("图书号", width=150, anchor='center')self.tree.column("书名", width=150, anchor='center')self.tree.column("作者", width=100, anchor='center')self.tree.column("数量", width=100, anchor='center')self.tree.grid(row=0, column=0, sticky=NSEW)self.vbar.grid(row=0, column=1, sticky=NS)self.id = []self.name = []self.author = []self.count = []db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "SELECT * FROM book_k"try:cursor.execute(sql)results = cursor.fetchall()for row in results:self.id.append(row[0])self.name.append(row[1])self.author.append(row[2])self.count.append(row[3])except:print("Error: unable to fetch data")messagebox.showinfo('警告！', '数据库连接失败！')db.close()for i in range(min(len(self.id), len(self.name), len(self.author), len(self.count))): # 写入数据self.tree.insert('', i, values=(self.id[i], self.name[i], self.author[i], self.count[i]))for col in self.columns:self.tree.heading(col, text=col,command=lambda _col=col: self.tree_sort_column(self.tree, _col, False))self.top_title = Label(self.frame_left_top, text="图书信息:", 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()self.var_name = StringVar()self.var_author = StringVar()self.var_count = StringVar()# 图书号self.right_top_id_label = Label(self.frame_left_top, text="图书号：", 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)self.right_top_id_entry.grid(row=1, column=1)# 书名self.right_top_name_label = Label(self.frame_left_top, text="书名：", 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)self.right_top_name_entry.grid(row=2, column=1)# 作者self.right_top_gender_label = Label(self.frame_left_top, text="作者：", font=('Verdana', 15))self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_author,font=('Verdana', 15))self.right_top_gender_label.grid(row=3, column=0)self.right_top_gender_entry.grid(row=3, column=1)# 数量self.right_top_gender_label = Label(self.frame_left_top, text="数量：", font=('Verdana', 15))self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_count,font=('Verdana', 15))self.right_top_gender_label.grid(row=4, column=0)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('<Button-1>', self.click)self.right_top_button1 = ttk.Button(self.frame_right_top, text='新建图书信息', width=20, command=self.new_row)self.right_top_button2 = ttk.Button(self.frame_right_top, text='更新选中图书信息', width=20,command=self.updata_row)self.right_top_button3 = ttk.Button(self.frame_right_top, text='删除选中图书信息', width=20,command=self.del_row)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)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()self.frame_right_top.tkraise()self.frame_center.tkraise()self.frame_bottom.tkraise()self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()def back(self):StartPage(self.window)def click(self, event):self.col = self.tree.identify_column(event.x)self.row = self.tree.identify_row(event.y)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_author.set(self.row_info[2])self.var_count.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):l = [(tv.set(k, col), k) for k in tv.get_children('')]l.sort(reverse=reverse)# rearrange items in sorted positionsfor index, (val, k) in enumerate(l):tv.move(k, '', index)tv.heading(col, command=lambda: self.tree_sort_column(tv, col, not reverse))def new_row(self):print('执行到AdminManet的new_row方法了')print(self.var_id.get())print(self.var_name.get())print(self.var_author.get())print(self.var_count.get())print(self.id)if str(self.var_id.get()) in self.id:messagebox.showinfo('警告', '该图书已存在!')else:if self.var_id.get() != '' and self.var_name.get() != '' and self.var_count.get() != '' and self.var_author.get() != '':db = pymysql.connect(host='localhost', # 地址 本机127.0.0.1或localhostport=3306, # 数据库的端口号 Navicat是3306user='root', # 用户 rootpasswd='YML852137', # 密码charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "insert into book_k(id,name,author,count)\values('%s','%s','%s','%s')" % \(self.var_id.get(), self.var_name.get(), self.var_author.get(), self.var_count.get())try:cursor.execute(sql)mit()except:db.rollback()messagebox.showinfo('警告', '数据库连接失败')db.close()self.id.append(self.var_id.get())self.name.append(self.var_name.get())self.author.append(self.var_author.get())self.count.append(self.var_count.get())self.tree.insert('', len(self.id) - 1, value=(self.id[len(self.id) - 1], self.name[len(self.id) - 1], self.author[len(self.id) - 1],self.count[len(self.id) - 1]))self.tree.update()messagebox.showinfo('提示!', '插入成功')else:messagebox.showinfo('警告', '请填写图书信息')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]:db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "UPDATE book_k SET name = '%s', author = '%s', count = '%s' \WHERE id = '%s'" % (self.var_name.get(), self.var_author.get(), self.var_count.get(), self.var_id.get())try:cursor.execute(sql)mit()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.author[id_index] = self.var_author.get()self.count[id_index] = self.var_count.get()self.tree.item(self.tree.selection()[0], values=(self.var_id.get(), self.var_name.get(), self.var_author.get(),self.var_count.get())) # 修改对于行信息else:messagebox.showinfo('警告！', '不能修改图书书号！')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])print(self.tree.selection()[0])print(self.tree.get_children())db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "DELETE FROM book_k WHERE id = '%s'" % (self.row_info[0])try:cursor.execute(sql)mit()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()id_index = self.id.index(self.row_info[0])print(id_index)del self.id[id_index]del self.name[id_index]del self.author[id_index]del self.count[id_index]print(self.id)self.tree.delete(self.tree.selection()[0])print(self.tree.get_children())class StudentPage:def __init__(self, parent_window):parent_window.destroy()self.window = tk.Tk()self.window.title('学生登陆')self.window.geometry('500x500') # 这里的乘是小xself.window.configure(bg ="SkyBlue")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)self.window.mainloop()def login(self):print(str(self.student_id.get()))print(str(self.student_pass.get()))id=str(self.student_id.get())pas=str(self.student_pass.get())db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "SELECT * FROM stu_k "cursor.execute(sql)results = cursor.fetchall()student__id=self.student_id.get()f = 0for row in results:if id == row[0]:f = 1if pas == row[2]:StudentView(self.window,self.student_id,student__id)else:messagebox.showinfo("警告", "密码错误!")self.admin_pass.delete(0, END)if f == 0:messagebox.showinfo("警告", "用户名不存在")self.admin_id.delete(0, END)self.admin_pass.delete(0, END)def back(self):StartPage(self.window) # 显示主窗口 销毁本窗口class StudentView:#实现借阅def __init__(self, parent_window, student_id,student__id):parent_window.destroy()print('获取一下账号：')print(student__id)self.student__id=student__idself.window = tk.Tk()self.window.configure(bg ="SkyBlue")self.window.title('学生登陆界面')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)self.columns = ("图书号", "书名", "作者", "数量")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)self.tree.configure(yscrollcommand=self.vbar.set)self.tree.column("图书号", width=150, anchor='center')self.tree.column("书名", width=150, anchor='center')self.tree.column("作者", width=100, anchor='center')self.tree.column("数量", width=100, anchor='center')self.tree.grid(row=0, column=0, sticky=NSEW)self.vbar.grid(row=0, column=1, sticky=NS)self.id = []self.name = []self.author = []self.count = []db = pymysql.connect(host='localhost',port=3306,user='root',passwd='YML852137',charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "SELECT * FROM book_k"try:cursor.execute(sql)results = cursor.fetchall()for row in results:self.id.append(row[0])self.name.append(row[1])self.author.append(row[2])self.count.append(row[3])except:print("Error: unable to fetch data")messagebox.showinfo('警告！', '数据库连接失败！')db.close()for i in range(min(len(self.id), len(self.name), len(self.author), len(self.count))): # 写入数据self.tree.insert('', i, values=(self.id[i], self.name[i], self.author[i], self.count[i]))for col in self.columns:self.tree.heading(col, text=col,command=lambda _col=col: self.tree_sort_column(self.tree, _col, False))self.top_title = Label(self.frame_left_top, text="图书信息:", 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()self.var_name = StringVar()self.var_author = StringVar()self.var_count = StringVar()# 图书号self.right_top_id_label = Label(self.frame_left_top, text="图书号：", 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)self.right_top_id_entry.grid(row=1, column=1)# 书名self.right_top_name_label = Label(self.frame_left_top, text="书名：", 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)self.right_top_name_entry.grid(row=2, column=1)# 作者self.right_top_gender_label = Label(self.frame_left_top, text="作者：", font=('Verdana', 15))self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_author,font=('Verdana', 15))self.right_top_gender_label.grid(row=3, column=0)self.right_top_gender_entry.grid(row=3, column=1)# 数量self.right_top_gender_label = Label(self.frame_left_top, text="数量：", font=('Verdana', 15))self.right_top_gender_entry = Entry(self.frame_left_top, textvariable=self.var_count,font=('Verdana', 15))self.right_top_gender_label.grid(row=4, column=0)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('<Button-1>', self.click)self.right_top_button1 = ttk.Button(self.frame_right_top, text='借书', width=20, command=self.borrow_row)self.right_top_button2 = ttk.Button(self.frame_right_top, text='还书', width=20,command=self.return_row)self.right_top_button3 = ttk.Button(self.frame_right_top, text='退出', width=20,command=self.del_row)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)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()self.frame_right_top.tkraise()self.frame_center.tkraise()self.frame_bottom.tkraise()self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()def back(self):StartPage(self.window)def del_row(self):StudentPage(self.window)def click(self, event):self.col = self.tree.identify_column(event.x)self.row = self.tree.identify_row(event.y)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_author.set(self.row_info[2])self.var_count.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):l = [(tv.set(k, col), k) for k in tv.get_children('')]l.sort(reverse=reverse)# rearrange items in sorted positionsfor index, (val, k) in enumerate(l):tv.move(k, '', index)tv.heading(col, command=lambda: self.tree_sort_column(tv, col, not reverse))def borrow_row(self):print(self.var_id.get())print(self.var_name.get())print(self.var_author.get())print(self.id)count=float(self.var_count.get())if count<=0:messagebox.showinfo('抱歉', '这本书已经被借光了哦!')else:if self.var_id.get() != '' and self.var_name.get() != '' and self.var_count.get() != '' and self.var_author.get() != '':db = pymysql.connect(host='localhost', # 地址 本机127.0.0.1或localhostport=3306, # 数据库的端口号 Navicat是3306user='root', # 用户 rootpasswd='YML852137', # 密码charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "UPDATE book_k SET count = '%s' \WHERE id = '%s'" % (count - 1, self.var_id.get())try:cursor.execute(sql)mit()except:db.rollback()messagebox.showinfo('警告', '数据库连接失败')cursor = db.cursor()cursor.execute("use library")sql = "UPDATE stu_k SET count = count+1 \WHERE id = '%s'" % (self.student__id)try:cursor.execute(sql)mit()except:db.rollback()messagebox.showinfo('警告', '数据库连接失败')db.close()id_index = self.id.index(self.row_info[0])count_index=int(self.var_count.get())-1self.name[id_index] = self.var_name.get()self.author[id_index] = self.var_author.get()self.count[id_index] = str(count_index)self.tree.item(self.tree.selection()[0], values=(self.var_id.get(), self.var_name.get(), self.var_author.get(),str(count_index))) # 修改对于行信息self.tree.update()messagebox.showinfo('提示!', '借书成功，请按时归还')else:messagebox.showinfo('警告', '请填写图书信息')def return_row(self):print(self.var_id.get())print(self.var_name.get())print(self.var_author.get())print(self.id)count=float(self.var_count.get())if count<=0:messagebox.showinfo('抱歉', '这本书已经被借光了哦!')else:if self.var_id.get() != '' and self.var_name.get() != '' and self.var_count.get() != '' and self.var_author.get() != '':db = pymysql.connect(host='localhost', # 地址 本机127.0.0.1或localhostport=3306, # 数据库的端口号 Navicat是3306user='root', # 用户 rootpasswd='YML852137', # 密码charset='utf8')cursor = db.cursor()cursor.execute("use library")sql = "UPDATE book_k SET count = '%s' \WHERE id = '%s'" % (count +1, self.var_id.get())try:cursor.execute(sql)mit()except:db.rollback()messagebox.showinfo('警告', '数据库连接失败')cursor = db.cursor()cursor.execute("use library")sql = "UPDATE stu_k SET count = count-1 \WHERE id = '%s'" % (self.student__id)try:cursor.execute(sql)mit()except:db.rollback()messagebox.showinfo('警告', '数据库连接失败')db.close()id_index = self.id.index(self.row_info[0])count_index=int(self.var_count.get())+1self.name[id_index] = self.var_name.get()self.author[id_index] = self.var_author.get()self.count[id_index] = str(count_index)self.tree.item(self.tree.selection()[0], values=(self.var_id.get(), self.var_name.get(), self.var_author.get(),str(count_index))) # 修改对于行信息self.tree.update()messagebox.showinfo('提示!', '还书成功了呦')else:messagebox.showinfo('警告', '请填写图书信息')#还差借书还书，借书时间的功能if __name__ == '__main__':try:print('开始执行')db = pymysql.connect(host='localhost', # 地址 本机127.0.0.1或localhostport=3306, # 数据库的端口号 Navicat是3306user='root', # 用户 rootpasswd='YML852137', # 密码charset='utf8')cursor=db.cursor()sql="CREATE SCHEMA if not exists `library` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;"cursor.execute(sql)cursor.execute("use library")sql = """CREATE TABLE IF NOT EXISTS book_k(id char(20) NOT NULL,name char(20) default NULL,author char(5) default NULL, count int default NULL,PRIMARY KEY (id)) """cursor.execute(sql)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 DEFAULTCHARSET = utf8"""cursor.execute(sql)sql = """CREATE TABLE IF NOT EXISTS stu_k(id char(20) NOT NULL,name char(20) NOT NULL,password char(20) default NULL,count int not NULl,PRIMARY KEY (id)) ENGINE = InnoDB DEFAULTCHARSET = utf8"""cursor.execute(sql)try:sql = "INSERT INTO `library`.`admin_login_k` (`admin_id`, `admin_pass`) VALUES ('123', '123');"cursor.execute(sql)mit()except:print('已存在')try:sql = "INSERT INTO `library`.`book_k` (`id`, `name`, `author`, `count`) VALUES ('1001', '《python》', '于孟林', '10');"cursor.execute(sql)mit()except:print('已存在')try:sql = "INSERT INTO `library`.`stu_k` (`id`, `name`, `password`, `count`) VALUES ('123', '于孟林', '123', '0');"cursor.execute(sql)mit()except:print('已存在')db.close()window = tk.Tk()StartPage(window)window.mainloop()except:messagebox.showinfo('错误', '连接数据库失败')
