新手好例子图书馆管理系统Python+MySQL+tkinter图形化界面+源码（注释详细）
2.Python源代码模块。
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- 界面截图
2.Python源代码模块
import pymysql
from tkinter import ttk
import tkinter as tk
import tkinter.font as tkFont
from tkinter import *
import tkinter.messagebox as messagebox
class 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x
self.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=0
for row in results:
if id == row[0]:
f=1
if 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 positions
for 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localhost
port=3306, # 数据库的端口号 Navicat是3306
user='root', # 用户 root
passwd='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)
db.commit()
#try:
# print('提交数据库执行')
# cursor.execute(sql)
# db.commit()
#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)
db.commit()
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)
db.commit()
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 positions
for 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localhost
port=3306, # 数据库的端口号 Navicat是3306
user='root', # 用户 root
passwd='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)
db.commit()
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)
db.commit()
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)
db.commit()
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x
self.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 = 0
for row in results:
if id == row[0]:
f = 1
if 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__id
self.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 positions
for 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localhost
port=3306, # 数据库的端口号 Navicat是3306
user='root', # 用户 root
passwd='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)
db.commit()
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)
db.commit()
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())-1
self.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localhost
port=3306, # 数据库的端口号 Navicat是3306
user='root', # 用户 root
passwd='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)
db.commit()
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)
db.commit()
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())+1
self.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localhost
port=3306, # 数据库的端口号 Navicat是3306
user='root', # 用户 root
passwd='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
DEFAULT CHARSET = 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
DEFAULT CHARSET = utf8
"""
cursor.execute(sql)
try:
sql = "INSERT INTO `library`.`admin_login_k` (`admin_id`, `admin_pass`) VALUES ('123', '123');"
cursor.execute(sql)
db.commit()
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)
db.commit()
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)
db.commit()
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')
需要源码和数据库的可以到这里下载：图书馆管理系统Python+MySQL+tkinter图形化界面+数据库+源码（注释详细）-Python文档类资源-CSDN下载
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