import tkinter import xlrd import xlwt import os from tkinter import * from xlutils import copy from tkinter import messagebox import datedays #创建窗口 def createwin(): window=Tk() window.title('书籍管理系统') window.geometry('350x800') button1 = tkinter.Button(window, text='退出', command=lambda: window.destroy(), width=7, height=2) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(window, width=22, height=1, command=lambda: createentry(), text='添加书籍'); button2.place(x=100, y=200) button3 = tkinter.Button(window, width=22, height=1, command=lambda: addUser(), text='添加用户'); button3.place(x=100, y=250) button4 = tkinter.Button(window, width=22, height=1, command=lambda: modifybook(), text='修改书籍'); button4.place(x=100, y=300) button5 = tkinter.Button(window, width=22, height=1, command=lambda: modifyuser(), text='修改用户'); button5.place(x=100, y=350) button6 = tkinter.Button(window, width=22, height=1, command=lambda: lookbook(), text='查看书籍信息'); button6.place(x=100, y=100) button7 = tkinter.Button(window, width=22, height=1, command=lambda: rookbook(), text='查看用户信息'); button7.place(x=100, y=150) button8 = tkinter.Button(window, width=22, height=1, command=lambda: allbook(), text='超时未还书借书者信息'); button8.place(x=100, y=400) button9 = tkinter.Button(window, width=22, height=1, command=lambda: searchbook(), text='查询书籍信息'); button9.place(x=100, y=450) button10 = tkinter.Button(window, width=22, height=1, command=lambda: checkhistory(), text='查询用户信息'); button10.place(x=100, y=500) button11 = tkinter.Button(window, width=22, height=1, command=lambda: borrowbook(), text='借书'); button11.place(x=100, y=550) button12 = tkinter.Button(window, width=22, height=1, command=lambda: returnbook(), text='还书'); button12.place(x=100, y=600) button13 = tkinter.Button(window, width=22, height=1, command=lambda: deletebook(), text='删除书籍'); button13.place(x=100, y=650) button14 = tkinter.Button(window, width=22, height=1, command=lambda: deleteuser(), text='删除用户'); button14.place(x=100, y=700) return window

#查看书籍信息 def lookbook(): lookbook=Tk() lookbook.title('书籍信息') lookbook.geometry('1600x500') roll=tkinter.Scrollbar(lookbook) roll.pack(side=tkinter.RIGHT,fill=tkinter.Y) text_input=tkinter.Text(lookbook,width=800,height=500) text_input.insert('insert',getvar1()) text_input.pack(expand=tkinter.YES,fill=tkinter.BOTH) text_input.config(yscrollcommand=roll.set) roll.config(command=text_input.yview)

#获取书籍信息表格中的内容 def getvar1(): xls=xlrd.open_workbook('书籍信息.xls') sheet=xls.sheet_by_index(0) table = xls.sheets()[0] n=table.nrows listindes="" for i in range(0,n): for j in range(0,7): listindes=listindes+str(sheet.cell_value(i,j))+"\t\t\t\t" listindes=listindes+"\n" return listindes

#查看借书者信息 def rookbook(): rookbook=Tk() rookbook.title('用户信息') rookbook.geometry('700x500') roll=tkinter.Scrollbar(rookbook) roll.pack(side=tkinter.RIGHT,fill=tkinter.Y) text_input=tkinter.Text(rookbook,width=800,height=500) text_input.insert('insert',showUsers()) text_input.pack(expand=tkinter.YES,fill=tkinter.BOTH) text_input.config(yscrollcommand=roll.set) roll.config(command=text_input.yview)

显示所有借书者信息

def showUsers(): # 获取所有用户信息Excel文件的文件名 path = '用户信息\' files = os.listdir(path) users = [] for file in files: if file.endswith('.xls'): users.append(file) st = "姓名\t\t\t性别\t\t\t年龄\t\t\t借书账号\t\t\t" for user in users: s = path + user book = xlrd.open_workbook(s) sheet = book.sheet_by_index(0) st=st+"\n" for j in range(sheet.ncols-5): st = st+str(sheet.cell_value(1, j)) + "\t\t\t" return st

统计超过期限未还书的借书者并输出借书者信息

def overdueUsers(): date = datedays.getnow() # 获取所有用户信息Excel文件的文件名 path = '用户信息\' files = os.listdir(path) users = [] for file in files: if file.endswith('.xls'): users.append(file) st = "姓名\t\t\t性别\t\t\t年龄\t\t\t借书账号\t\t\t借书日期\t\t\t书籍编号\t\t\t借书书名\t\t\t应还书日期\t\t\t是否已还书" st = st + "\n" for user in users: s = path + user book = xlrd.open_workbook(s) sheet = book.sheet_by_index(0) t=0 for i in range(1, sheet.nrows): return_date = str(sheet.cell_value(i, 7)) status = sheet.cell_value(i, 8) if status == '否' and return_date < date: if t==0: t=1 for k in range(0,4): st=st+str(sheet.cell_value(1,k))+"\t\t\t" for k in range(4,9): st=st+str(sheet.cell_value(i,k))+"\t\t\t" else: for j in range(sheet.ncols): st = st + str(sheet.cell_value(i, j)) + "\t\t\t" st = st + "\n" return st

#输出超过期限未还书的借书者信息 def allbook(): allbook=Tk() allbook.title('超时未还书借书者信息') allbook.geometry('1600x500') roll=tkinter.Scrollbar(allbook) roll.pack(side=tkinter.RIGHT,fill=tkinter.Y) text_input=tkinter.Text(allbook,width=1000,height=500) text_input.insert('insert',overdueUsers()) text_input.pack(expand=tkinter.YES,fill=tkinter.BOTH) text_input.config(yscrollcommand=roll.set) roll.config(command=text_input.yview)

#创建新用户表格，表格以借书账号命名，添加用户信息 def addUser(): #创建用于输入添加的用户的信息的窗口 addusers = Tk() addusers.title('添加用户') addusers.geometry('275x250') button1 = tkinter.Button(addusers, text='退出', command=lambda: addusers.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(addusers, width=8, height=1,command=lambda: getentry2(addusers, entry1, entry2, entry3, entry4), text='确认'); button2.place(x=100, y=175) text1 = tkinter.Label(addusers, bd=4, fg='black', text='姓名：') text1.place(x=20, y=45) text2 = tkinter.Label(addusers, bd=4, fg='black', text='性别：') text2.place(x=20, y=70) text3 = tkinter.Label(addusers, bd=4, fg='black', text='年龄：') text3.place(x=20, y=95) text4 = tkinter.Label(addusers, bd=4, fg='black', text='借书账号：') text4.place(x=20, y=120) entry1 = tkinter.Entry(addusers, width=20, show='') entry1.place(x=100, y=50) entry2 = tkinter.Entry(addusers, width=20, show='') entry2.place(x=100, y=75) entry3 = tkinter.Entry(addusers, width=20, show='') entry3.place(x=100, y=100) entry4 = tkinter.Entry(addusers, width=20, show='') entry4.place(x=100, y=125) def getentry2(addusers, entry1, entry2, entry3, entry4): #判断输入是否完整，避免保存错误信息 if entry1.get()=="" or entry2.get()=="" or entry3.get()=="" or entry4.get()=="": tkinter.messagebox.showerror('错误', '请输入完整信息！') return data = [] data.append(str(entry1.get())) data.append(str(entry2.get())) data.append(str(entry3.get())) data.append(str(entry4.get())) for i in range(0,5): data.append("无") s = '用户信息' + '\' + data[3] + '.xls' #判断是否已有用户，避免重复添加用户造成报错 if not os.path.exists(s): book = xlwt.Workbook(encoding='utf-8', style_compression=0) sheet = book.add_sheet('用户管理系统', cell_overwrite_ok=True) col = ('姓名', '性别', '年龄', '借书账号', '借书日期', '书籍编号', '借书书名', '应还书日期', '是否已还书') for i in range(0, 9): sheet.write(0, i, col[i]) book.save(s) xls = xlrd.open_workbook(s) wbook = copy.copy(xls) wsheet = wbook.get_sheet(0) table = xls.sheets()[0] n = table.nrows for i in range(len(data)): wsheet.write(n, i, data[i]) wbook.save(s) tkinter.messagebox.showinfo('提示', '添加成功！') else: tkinter.messagebox.showerror('错误', '添加失败，用户已存在！') addusers.destroy()

#添加书籍 def getentry(addwin,entry1,entry2,entry3,entry4,entry5,entry6,entry7): #判断输入框是否输入完整，防止存到错误信息 if entry1.get()=="" or entry2.get()=="" or entry3.get()=="" or entry4.get()=="" or entry5.get()=="" or entry6.get()=="" or entry7.get()=="": tkinter.messagebox.showerror('错误', '请输入完整信息！') return xls = xlrd.open_workbook('书籍信息.xls') wbook = copy.copy(xls) wsheet = wbook.get_sheet(0) sheet = xls.sheet_by_index(0) table = xls.sheets()[0] n = table.nrows t=0 #避免书籍信息重复添加 for i in range(0, n): if entry5.get()==sheet.cell_value(i,4): t=1 tkinter.messagebox.showerror('错误', '添加失败，已有书籍信息！') break #添加书籍信息，写入表格 if t==0: data=[] data.append(str(entry1.get())) data.append(str(entry2.get())) data.append(str(entry3.get())) data.append(str(entry4.get())) data.append(str(entry5.get())) data.append(str(entry6.get())) data.append(str(entry7.get())) n = table.nrows for i in range(len(data)): wsheet.write(n, i, data[i]) wbook.save('书籍信息.xls') tkinter.messagebox.showinfo('提示', '添加成功！') #关闭窗口 addwin.destroy() def createentry(): #创建输入需要添加的书籍的信息的窗口 addwin=Tk() addwin.title('添加书籍') addwin.geometry('275x300') button1 = tkinter.Button(addwin, text='退出', command=lambda: addwin.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(addwin, width=8, height=1, command=lambda:getentry(addwin,entry1,entry2,entry3,entry4,entry5,entry6,entry7) , text='确认'); button2.place(x=100, y=250) text1 = tkinter.Label(addwin, bd=4, fg='black', text='书名：') text1.place(x=20,y=45) text2 = tkinter.Label(addwin, bd=4, fg='black', text='作者：') text2.place(x=20, y=70) text3 = tkinter.Label(addwin, bd=4, fg='black', text='出版社：') text3.place(x=20, y=95) text4 = tkinter.Label(addwin, bd=4, fg='black', text='出版日期：') text4.place(x=20, y=120) text5 = tkinter.Label(addwin, bd=4, fg='black', text='书籍编号：') text5.place(x=20, y=145) text6 = tkinter.Label(addwin, bd=4, fg='black', text='书籍位置：') text6.place(x=20, y=170) text7 = tkinter.Label(addwin, bd=4, fg='black', text='库存量：') text7.place(x=20, y=195) entry1 = tkinter.Entry(addwin, width=20, show='') entry1.place(x=100, y=50) entry2 = tkinter.Entry(addwin, width=20, show='') entry2.place(x=100, y=75) entry3 = tkinter.Entry(addwin, width=20, show='') entry3.place(x=100, y=100) entry4 = tkinter.Entry(addwin, width=20, show='') entry4.place(x=100, y=125) entry5 = tkinter.Entry(addwin, width=20, show='') entry5.place(x=100, y=150) entry6 = tkinter.Entry(addwin, width=20, show='') entry6.place(x=100, y=175) entry7 = tkinter.Entry(addwin, width=20, show='') entry7.place(x=100, y=200)

#修改书籍信息 def modifybook(): modifywin = Tk() modifywin.title('修改书籍信息') modifywin.geometry('275x200') button1 = tkinter.Button(modifywin, text='退出', command=lambda: modifywin.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') text1 = tkinter.Label(modifywin, bd=4, fg='black', text='书籍编号：') text1.place(x=20, y=45) entry1 = tkinter.Entry(modifywin, width=20, show='') entry1.place(x=100, y=50) button2 = tkinter.Button(modifywin, width=8, height=1, command=lambda: getentry_mod(modifywin,entry1), text='确认'); button2.place(x=100, y=150) def getentry_mod(modify,entry1): if entry1.get()=="": tkinter.messagebox.showerror('错误', '请输入书籍编号！') return bookid=entry1.get() modify.destroy() # 打开Excel文件 xls = xlrd.open_workbook('书籍信息.xls') # 复制一份Excel文件以便修改 wbook = copy.copy(xls) # 获取工作表 wsheet = wbook.get_sheet(0) table = xls.sheets()[0] n = table.nrows # 查找对应书籍编号 for i in range(1, n): if table.cell(i, 4).value == bookid: # 创建修改书籍信息窗口 modifywin = Tk() modifywin.title('修改书籍信息') modifywin.geometry('275x250') # 添加标签和输入框 tkinter.Label(modifywin, bd=4, fg='black', text='书名：').place(x=20, y=25) entry1 = tkinter.Entry(modifywin, width=20, justify='right') entry1.insert(0, table.cell(i, 0).value) entry1.place(x=100, y=25) tkinter.Label(modifywin, bd=4, fg='black', text='作者：').place(x=20, y=50) entry2 = tkinter.Entry(modifywin, width=20, justify='right') entry2.insert(0, table.cell(i, 1).value) entry2.place(x=100, y=50) tkinter.Label(modifywin, bd=4, fg='black', text='出版社：').place(x=20, y=75) entry3 = tkinter.Entry(modifywin, width=20, justify='right') entry3.insert(0, table.cell(i, 2).value) entry3.place(x=100, y=75) tkinter.Label(modifywin, bd=4, fg='black', text='出版日期：').place(x=20, y=100) entry4 = tkinter.Entry(modifywin, width=20, justify='right') entry4.insert(0, table.cell(i, 3).value) entry4.place(x=100, y=100) tkinter.Label(modifywin, bd=4, fg='black', text='书籍位置：').place(x=20, y=125) entry5 = tkinter.Entry(modifywin, width=20, justify='right') entry5.insert(0, table.cell(i, 5).value) entry5.place(x=100, y=125) tkinter.Label(modifywin, bd=4, fg='black', text='库存量：').place(x=20, y=150) entry6 = tkinter.Entry(modifywin, width=20, justify='right') entry6.insert(0, table.cell(i, 6).value) entry6.place(x=100, y=150) # 添加确认修改按钮和退出按钮 tkinter.Button(modifywin, width=8, height=1, text='确认',command=lambda: getentry_mod_finish(bookid, entry1.get(), entry2.get(), entry3.get(),entry4.get(), entry5.get(), entry6.get(),modifywin)).place(x=100, y=200) tkinter.Button(modifywin, text='退出', command=modifywin.destroy, width=4, height=1).place(relx=1, rely=1,anchor='se') return # 如果书籍编号不存在，弹出提示框 tkinter.messagebox.showerror('错误', '该书籍编号不存在！') #获取修改书籍信息的窗口的内容并对相应的行进行修改 def getentry_mod_finish(bookid,entry1,entry2,entry3,entry4,entry5,entry6,modifywin): if entry1=="" or entry2=="" or entry3=="" or entry4=="" or entry5=="" or entry6=="": tkinter.messagebox.showerror('错误', '请输入完整信息！') return xls = xlrd.open_workbook('书籍信息.xls') wbook = copy.copy(xls) wsheet = wbook.get_sheet(0) table = xls.sheets()[0] n = table.nrows for i in range(1, n): if table.cell(i, 4).value == bookid: wsheet.write(i, 0, str(entry1)) wsheet.write(i, 1, str(entry2)) wsheet.write(i, 2, str(entry3)) wsheet.write(i, 3, str(entry4)) wsheet.write(i, 5, str(entry5)) wsheet.write(i, 6, str(entry6)) wbook.save('书籍信息.xls') tkinter.messagebox.showinfo('提示', '修改成功！') modifywin.destroy() return

#修改用户信息 def modifyuser(): modify = Tk() modify.title('修改用户信息') modify.geometry('275x200') text1 = tkinter.Label(modify, bd=4, fg='black', text='借书账号：') text1.place(x=20, y=45) entry = tkinter.Entry(modify, width=20, show='') entry.place(x=100, y=50) button1 = tkinter.Button(modify, text='退出', command=lambda: modify.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(modify, width=8, height=1, command=lambda: getentry3(modify, entry), text='确认'); button2.place(x=100, y=100) #创建窗口，显示用户信息并进行修改 def getentry3(modify,entry): if entry.get()=="": tkinter.messagebox.showerror('错误', '请输入用户账号！') return account=entry.get() path = '用户信息' + '\' + account + '.xls' try: xls = xlrd.open_workbook(path) except: text = tkinter.Label(modify, bd=4, fg='red', text='用户不存在！') text.place(x=90, y=20) return sheet = xls.sheet_by_index(0) data = [] for j in range(0, 4): data.append(str(sheet.cell_value(1, j)))

modify2 = Tk()
modify2.title('修改用户信息')
modify2.geometry('275x200')

button1 = tkinter.Button(modify2, text='退出', command=lambda: modify2.destroy(), width=4, height=1)
button1.place(relx=1, rely=1, anchor='se')
button2 = tkinter.Button(modify2, width=8, height=1,
                         command=lambda: updateuser(modify2, account, entry1, entry2, entry3), text='确认修改');
button2.place(x=100, y=150)
text1 = tkinter.Label(modify2, bd=4, fg='black', text='姓名：')
text1.place(x=20, y=45)
text2 = tkinter.Label(modify2, bd=4, fg='black', text='性别：')
text2.place(x=20, y=70)
text3 = tkinter.Label(modify2, bd=4, fg='black', text='年龄：')
text3.place(x=20, y=95)

entry1 = tkinter.Entry(modify2, width=20, show='')
entry1.insert(0, data[0])
entry1.place(x=100, y=50)
entry2 = tkinter.Entry(modify2, width=20, show='')
entry2.insert(0, data[1])
entry2.place(x=100, y=75)
entry3 = tkinter.Entry(modify2, width=20, show='')
entry3.insert(0, data[2])
entry3.place(x=100, y=100)
modify.destroy()

#更新用户信息表格中的指定用户的信息 def updateuser(modify2, account, entry1,entry2,entry3): if entry1.get()=="" or entry2.get()=="" or entry3.get()=="": tkinter.messagebox.showerror('错误', '请输入完整信息！') return data = [] data.append(entry1.get()) data.append(entry2.get()) data.append(entry3.get()) s = '用户信息' + '\' + account + '.xls' xls = xlrd.open_workbook(s) wbook = copy.copy(xls) wsheet = wbook.get_sheet(0) table = xls.sheets()[0] for i in range(len(data)): wsheet.write(1,i,data[i]) wbook.save(s) tkinter.messagebox.showinfo('提示', '修改成功！') modify2.destroy()

#查询书籍信息 def searchbook(): search = Tk() search.title('查询书籍信息') search.geometry('275x200') button1 = tkinter.Button(search, text='退出', command=lambda: search.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') text1 = tkinter.Label(search, bd=4, fg='black', text='书籍编号：') text1.place(x=20, y=45) entry1 = tkinter.Entry(search, width=20, show='') entry1.place(x=100, y=50) button2 = tkinter.Button(search, width=8, height=1, command=lambda: getentry_search(entry1.get()), text='确认'); button2.place(x=100, y=150) def getentry_search(bookid): if bookid=="": tkinter.messagebox.showerror('错误', '请输入要查询的书籍编号！') return # 打开Excel文件 xls = xlrd.open_workbook('书籍信息.xls') table = xls.sheets()[0] n = table.nrows # 查找对应书籍编号 for i in range(1, n): if table.cell(i, 4).value == bookid: # 创建查询书籍信息窗口 seaech = Tk() seaech.title('查询书籍信息') seaech.geometry('275x300') # 添加标签和输入框 tkinter.Label(seaech, bd=4, fg='black', text='书名：').place(x=20, y=25) entry1 = tkinter.Entry(seaech, width=20, justify='right') entry1.insert(0, table.cell(i, 0).value) entry1.place(x=100, y=25) tkinter.Label(seaech, bd=4, fg='black', text='作者：').place(x=20, y=50) entry2 = tkinter.Entry(seaech, width=20, justify='right') entry2.insert(0, table.cell(i, 1).value) entry2.place(x=100, y=50) tkinter.Label(seaech, bd=4, fg='black', text='出版社：').place(x=20, y=75) entry3 = tkinter.Entry(seaech, width=20, justify='right') entry3.insert(0, table.cell(i, 2).value) entry3.place(x=100, y=75) tkinter.Label(seaech, bd=4, fg='black', text='出版日期：').place(x=20, y=100) entry4 = tkinter.Entry(seaech, width=20, justify='right') entry4.insert(0, table.cell(i, 3).value) entry4.place(x=100, y=100) tkinter.Label(seaech, bd=4, fg='black', text='书籍位置：').place(x=20, y=125) entry5 = tkinter.Entry(seaech, width=20, justify='right') entry5.insert(0, table.cell(i, 5).value) entry5.place(x=100, y=125) tkinter.Label(seaech, bd=4, fg='black', text='库存量：').place(x=20, y=150) entry6 = tkinter.Entry(seaech, width=20, justify='right') entry6.insert(0, table.cell(i, 6).value) entry6.place(x=100, y=150) # 添加退出按钮 tkinter.Button(seaech, text='退出', command=seaech.destroy, width=4, height=1).place(relx=1, rely=1, anchor='se') return # 如果书籍编号不存在，弹出提示框 tkinter.messagebox.showerror('错误', '该书籍编号不存在！')

#查阅借阅历史 def checkhistory(): check = Tk() check.title('查询用户信息') check.geometry('275x200') text1 = tkinter.Label(check, bd=4, fg='black', text='借书账号：') text1.place(x=20, y=45) entry1 = tkinter.Entry(check, width=20, show='') entry1.place(x=100, y=50) button1 = tkinter.Button(check, text='退出', command=lambda: check.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(check, width=8, height=1, command=lambda: getentry_check(entry1.get()), text='确认'); button2.place(x=100, y=100) def getentry_check(account): if account=="": tkinter.messagebox.showerror('错误', '请输入要查询的用户账号！') return path = '用户信息' + '\' + account + '.xls' try: xls = xlrd.open_workbook(path) except: tkinter.messagebox.showerror('错误', '该用户不存在！') return sheet = xls.sheet_by_index(0) n = sheet.nrows data=[] ss="" for j in range(0, 9): ss = ss + str(sheet.cell_value(0, j)) + "\t\t\t" ss=ss+"\n" for i in range(1, n): data1=[] for j in range(sheet.ncols): data1.append(str(sheet.cell_value(i,j))) data.append(data1) for i in range(0,4): ss=ss+sheet.cell_value(1,i)+"\t\t\t" data.sort(key=lambda x:x[8]) t=0 for value in data: if t==1: for i in range(0,4): ss=ss+""+"\t\t\t" for i in range(4,len(value)): ss=ss+str(value[i])+"\t\t\t" if t==0: for i in range(4,len(value)): ss=ss+str(value[i])+"\t\t\t" t=1 ss=ss+"\n" check = Tk() check.title('查询用户信息') check.geometry('1600x500') roll = tkinter.Scrollbar(check) roll.pack(side=tkinter.RIGHT, fill=tkinter.Y) text_input = tkinter.Text(check, width=800, height=500) text_input.insert('insert', ss) text_input.pack(expand=tkinter.YES, fill=tkinter.BOTH) text_input.config(yscrollcommand=roll.set) roll.config(command=text_input.yview) button1 = tkinter.Button(check, text='退出', command=lambda: check.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se')

#删除书籍信息 def deletebook(): delete = Tk() delete .title('删除书籍信息') delete .geometry('275x200') button1 = tkinter.Button(delete , text='退出', command=lambda: delete.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') text1 = tkinter.Label(delete, bd=4, fg='black', text='书籍编号：') text1.place(x=20, y=45) entry1 = tkinter.Entry(delete, width=20, show='') entry1.place(x=100, y=50) button2 = tkinter.Button(delete, width=8, height=1, command=lambda: getentry_delete(entry1), text='确认'); button2.place(x=100, y=150) def getentry_delete(entry1): bookid=entry1.get() if bookid=="": tkinter.messagebox.showerror('错误', '请输入要删除的书籍编号！') return # 打开Excel文件 xls = xlrd.open_workbook('书籍信息.xls') sheet = xls.sheet_by_index(0) table = xls.sheets()[0] n = table.nrows data=[] for i in range(1,n): if sheet.cell_value(i,4) == bookid: for j in range(i+1,n): for u in range(0,7): data.append(str(sheet.cell_value(j,u))) os.remove('书籍信息.xls') if not os.path.exists('书籍信息.xls'): book = xlwt.Workbook(encoding='utf-8', style_compression=0) sheet = book.add_sheet('书籍管理系统', cell_overwrite_ok=True) col = ('书名', '作者', '出版社', '出版日期', '书籍编号', '书籍位置', '库存量') for i in range(0, 7): sheet.write(0, i, col[i]) savepath = '书籍信息.xls' book.save(savepath) xls = xlrd.open_workbook('书籍信息.xls') wbook = copy.copy(xls) wsheet = wbook.get_sheet(0) k=0 for i in range(1,n-1): for j in range(0,7): wsheet.write(i,j,data[k]) k=k+1 wbook.save('书籍信息.xls') tkinter.messagebox.showinfo('提示', '删除成功！') entry1.delete("0","end") return for k in range(0,7): data.append(str(sheet.cell_value(i,k))) tkinter.messagebox.showerror('错误', '未找到该图书编号的书籍信息！') entry1.delete("0", "end")

#删除用户 def deleteuser(): delete = Tk() delete .title('删除用户信息') delete .geometry('275x200') text1 = tkinter.Label(delete, bd=4, fg='black', text='删除账号：') text1.place(x=20, y=45) entry = tkinter.Entry(delete, width=20, show='') entry.place(x=100, y=50) button1 = tkinter.Button(delete, text='退出', command=lambda: delete.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(delete, width=8, height=1, command=lambda: getentry5(delete, entry), text='确认'); button2.place(x=100, y=100) def getentry5(modify,entry): if entry.get()=="": tkinter.messagebox.showerror('错误', '请输入用户账号！') return account=entry.get() path = '用户信息' + '\' + account + '.xls' if os.path.exists(path): os.remove(path) tkinter.messagebox.showinfo('提示', '删除成功！') else: tkinter.messagebox.showerror('错误', '未找到该图书编号的书籍信息！')

#借书 def borrowbook(): #创建用于输入借书相关信息的窗口 modify = Tk() modify.title('借书') modify.geometry('275x200') text1 = tkinter.Label(modify, bd=4, fg='black', text='借书账号：') text1.place(x=20, y=45) entry1 = tkinter.Entry(modify, width=20, show='') entry1.place(x=100, y=50) text2 = tkinter.Label(modify, bd=4, fg='black', text='书籍编号：') text2.place(x=20, y=95) entry2 = tkinter.Entry(modify, width=20, show='') entry2.place(x=100, y=100) button1 = tkinter.Button(modify, text='退出', command=lambda: modify.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(modify, width=8, height=1, command=lambda: getbook(entry1,entry2), text='确认'); button2.place(x=100, y=150) def getbook(entry1,entry2): #判断是否输入借书账号 if entry1.get()=="": tkinter.messagebox.showerror('错误', '请输入借书账号！') entry2.delete("0", "end") return #判断是否输入书籍编号 if entry2.get()=="": tkinter.messagebox.showerror('错误', '请输入书籍编号！') entry2.delete("0", "end") return account = entry1.get() path = '用户信息' + '\' + account + '.xls' #判断用户是否存在 try: xls1 = xlrd.open_workbook(path) wbook1 = copy.copy(xls1) wsheet1 = wbook1.get_sheet(0) sheet1 = xls1.sheet_by_index(0) table1 = xls1.sheets()[0] #判断用户未还书籍数量，上限为5本，达到上限则不允许借书 y=0 for p in range (1,table1.nrows): if sheet1.cell_value(p,8)=="否": y=y+1 if y>=5: tkinter.messagebox.showerror('错误', '该用户现已借满5本书，请先还书！') entry1.delete("0", "end") entry2.delete("0", "end") return except: tkinter.messagebox.showerror('错误', '用户不存在！') #清空错误的输入信息 entry1.delete("0", "end") entry2.delete("0", "end") return bookid=entry2.get() xls = xlrd.open_workbook('书籍信息.xls') wbook=copy.copy(xls) sheet = xls.sheet_by_index(0) wsheet=wbook.get_sheet(0) table = xls.sheets()[0] n = table.nrows # 查找对应书籍编号 t=0 for i in range(1, n): #判断图书馆是否收录此书 if table.cell(i, 4).value == bookid: t=1 #判断书籍是否有库存 if(int(sheet.cell_value(i,6))>0): for j in range(1, table1.nrows): #判断是否已借过此书，防止重复借同本书 if sheet1.cell_value(j, 5) == bookid and sheet1.cell_value(j, 8) == "否": tkinter.messagebox.showerror('错误', '已借过此书且未归还，请先归还再借！') entry2.delete("0", "end") return #获取该书籍编号的书名 bookname=table.cell(i,0).value #成功借书，库存减1 x=int(sheet.cell_value(i,6))-1 wsheet.write(i,6,str(x)) wbook.save('书籍信息.xls') else: tkinter.messagebox.showerror('错误', '此书已借出，暂无剩余库存！') entry2.delete("0", "end") return break if t==0: tkinter.messagebox.showerror('错误','本馆暂无收录此书！') entry2.delete("0", "end") return data=[] now=datedays.gettomorrow(days=0) data.append(str(now)) data.append(str(bookid)) data.append(str(bookname)) end=datedays.gettomorrow(days=30) data.append(str(end)) data.append("否") n=4 #从未借过书的情况 if sheet1.cell_value(1,4) == "无": for i in range(len(data)): wsheet1.write(1, n, data[i]) n=n+1 #借过书的情况 else: for i in range(len(data)): wsheet1.write(table1.nrows,n,data[i]) n=n+1 wbook1.save(path) tkinter.messagebox.showinfo('提示', '借书成功！') entry2.delete("0", "end")

#还书 def returnbook(): #创建用于输入还书相关信息的窗口 modify = Tk() modify.title('还书') modify.geometry('275x200') text1 = tkinter.Label(modify, bd=4, fg='black', text='还书账号：') text1.place(x=20, y=45) entry1 = tkinter.Entry(modify, width=20, show='') entry1.place(x=100, y=50) text2 = tkinter.Label(modify, bd=4, fg='black', text='书籍编号：') text2.place(x=20, y=95) entry2 = tkinter.Entry(modify, width=20, show='') entry2.place(x=100, y=100) button1 = tkinter.Button(modify, text='退出', command=lambda: modify.destroy(), width=4, height=1) button1.place(relx=1, rely=1, anchor='se') button2 = tkinter.Button(modify, width=8, height=1, command=lambda: returnbook2(entry1, entry2), text='确认'); button2.place(x=100, y=150) def returnbook2(entry1,entry2): #判断还书账号是否输入 if entry1.get()=="": tkinter.messagebox.showerror('错误', '请输入还书账号！') entry2.delete("0", "end") return #判断归还书籍的书籍编号是否输入 if entry2.get()=="": tkinter.messagebox.showerror('错误', '请输入归还书籍的书籍编号！') entry2.delete("0", "end") return account = entry1.get() path = '用户信息' + '\' + account + '.xls' #判断用户是否存在 try: xls1 = xlrd.open_workbook(path) wbook1 = copy.copy(xls1) wsheet1 = wbook1.get_sheet(0) sheet1 = xls1.sheet_by_index(0) table1 = xls1.sheets()[0] except: tkinter.messagebox.showerror('错误', '用户不存在！') #清空错误信息 entry1.delete("0", "end") entry2.delete("0", "end") return bookid=entry2.get() xls = xlrd.open_workbook('书籍信息.xls') wbook=copy.copy(xls) sheet = xls.sheet_by_index(0) wsheet=wbook.get_sheet(0) table = xls.sheets()[0] n = table.nrows t=0 d=0 #查找是否借过并且尚未归还此书 for i in range(1,table1.nrows): if sheet1.cell_value(i,5)==bookid: #成功查找到未还此书的借书信息 if sheet1.cell_value(i, 8) == "否": # 查找对应书籍编号，判断图书馆是否收录有此书 for j in range(1, n): if table.cell(j, 4).value == bookid: d = 1 #成功还书，库存加1，用户借书信息改为已还书 x = int(sheet.cell_value(j, 6)) + 1 wsheet.write(j, 6, str(x)) wbook.save('书籍信息.xls') wsheet1.write(i, 8, "是") wbook1.save(path) break #未在书籍信息表格中找到此书 if d == 0: tkinter.messagebox.showerror('错误', '本馆暂无收录此书！') entry2.delete("0", "end") return t=1 break #查无符合条件的借书信息 if t==0: tkinter.messagebox.showerror('错误', '该用户无此借书信息！') return tkinter.messagebox.showinfo('提示', '还书成功！') entry2.delete("0", "end")

#若不存在名为书籍信息的表格，则创建一个 if not os.path.exists('书籍信息.xls'): book = xlwt.Workbook(encoding='utf-8', style_compression=0) sheet = book.add_sheet('书籍管理系统', cell_overwrite_ok=True) col = ('书名', '作者', '出版社', '出版日期','书籍编号','书籍位置','库存量') for i in range(0, 7): sheet.write(0, i, col[i]) savepath='书籍信息.xls' book.save(savepath) #若不存在名为用户信息的文件夹，则创建一个 path='用户信息' if not os.path.exists(path): os.mkdir('用户信息') window=createwin() window.mainloop() # 运行主窗口，保持窗口打开状态，直到用户关闭窗口。