python实现图书管理系统_Python

本文实例为大家分享了python实现图书管理系统的具体代码，供大家参考，具体内容如下
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									import mysql.connector

									import sys, os

									import time

									import datetime

									from tkinter import *

									from tkinter.messagebox import *

									class Libop:

									 user = 'root'

									 pwd = ''

									 host = 'localhost'

									 db = 'library'

									 data_file = 'mysql-test.dat'

									 def __init__(self):

									 print("init")

									 try:

									  self.library=mysql.connector.connect(user=Libop.user,password=Libop.pwd,host=Libop.host,database=Libop.db)

									  self.cursor=self.library.cursor()

									  print("Connect successfully")

									 except mysql.connector.Error as err:

									  print("WTF! initial wrong")

									  print("Error: {}".format(err.msg))

									  sys.exit()

									 def select(self,str):

									 try:

									  self.cursor.execute(str)

									  return self.cursor.fetchall()

									 except mysql.connector.Error as err:

									  print("WTF! select wrong")

									  print("Error:{}".format(err.msg))

									  print(str)

									  showinfo("ERROR","Please input the parameter correctly")

									 def update(self,str):

									 try:

									  self.cursor.execute(str)

									  self.library.commit()

									  return 1

									 except mysql.connector.Error as err:

									  print("WTF! update wrong")

									  print("Error:{}".format(err.msg))

									  return 0

									 def delete(self,str):

									 try:

									  self.cursor.execute(str)

									  self.library.commit()

									 except mysql.connector.Error as err:

									  print("WTF! delete wrong")

									  print("Error:{}".format(err.msg))

									 def insert(self,str):

									 try:

									  self.cursor.execute(str)

									  self.library.commit()

									  return 1

									 except mysql.connector.Error as err:

									  print("WTF! insert wrong")

									  print("Error:{}".format(err.msg))

									  return 0

									LIB = Libop()  

									root=Tk()

									root.wm_title("Library System")

									str1=str2=''

									book_type=name=year=publisher=writer=price1=price2=order=''

									cardid=''

									def call_rent(en1,en2,brok):

									 st1=en1.get()

									 st2=en2.get()

									 rent(st1,st2,brok)

									def call_return(en1,en2):

									 st1=en1.get()

									 st2=en2.get()

									 back(st1,st2)

									def login():

									 str1=ide.get()

									 str2=pwde.get()

									 curs=LIB.select("select manage_id,pswd from managers where manage_id='{}' and pswd='{}'".format(str1,str2))

									 if ((str1,str2) in curs): 

									 showinfo('message','login success')

									 label_book_id=Label(root,text='BookID:').grid(row=0,column=4,sticky=W)

									 label_card_id=Label(root,text='CardID:').grid(row=1,column=4,sticky=W)

									 entry_book_id=Entry(root)

									 entry_book_id.grid(row=0,column=5,sticky=W)

									 entry_card_id=Entry(root)

									 entry_card_id.grid(row=1,column=5,sticky=W)

									 entry_cardid=Entry(root)

									 entry_cardid.grid(row=5,column=0,sticky=W)

									 #buttons

									 button_insert=Button(root,text='insert book',command=inbook)

									 button_insert.grid(row=0,column=2,sticky=W)

									 button_return=Button(root,text='rent book')

									 button_return.bind("<ButtonRelease-1>",lambda z:call_rent(entry_book_id,entry_card_id,str1))

									 button_return.grid(row=0,column=3,sticky=W)

									 button_rent=Button(root,text='return book')

									 button_rent.bind("<ButtonRelease-1>",lambda l:call_return(entry_book_id,entry_card_id))

									 button_rent.grid(row=1,column=2,sticky=W)

									 button_delete=Button(root,text='delete card')

									 button_delete.bind("<ButtonRelease-1>",lambda j:deletecard(entry_cardid))

									 button_delete.grid(row=5,column=2,sticky=W)

									 button_add=Button(root,text='add card',command=addwindow)

									 button_add.grid(row=5,column=3,sticky=W)

									 button_display=Button(root,text='display books')

									 button_display.bind("<ButtonRelease-1>",lambda y:display_rent(entry_cardid))

									 button_display.grid(row=5,column=1,sticky=W)

									 else: 

									 showinfo(title='login failure',message="WRONG ID OR PASSWORD!")

									#add a card

									def addwindow():

									 top=Toplevel(root)

									 label_card_id=Label(top,text='card id:').grid(row=0,column=0,sticky=W)

									 label_name=Label(top,text='Name:').grid(row=1,column=0,sticky=W)

									 label_unit=Label(top,text='Units:').grid(row=2,column=0,sticky=W)

									 label_type=Label(top,text='type:').grid(row=3,column=0,sticky=W)

									 entry_card_id=Entry(top)

									 entry_card_id.grid(row=0,column=1,sticky=W)

									 entry_name=Entry(top)

									 entry_name.grid(row=1,column=1,sticky=W)

									 entry_unit=Entry(top)

									 entry_unit.grid(row=2,column=1,sticky=W)

									 entry_type=Entry(top)

									 entry_type.grid(row=3,column=1,sticky=W)

									 button_constructe=Button(top,text='Add')

									 button_constructe.bind("<ButtonRelease-1>",lambda q:addcard(entry_card_id,entry_name,entry_unit,entry_type))

									 button_constructe.grid(row=4)

									def addcard(en1,en2,en3,en4):

									 cardid=en1.get()

									 name=en2.get()

									 unit=en3.get()

									 c_type=en4.get()

									 select="select card_id from lib_card where card_id='{}'".format(cardid)

									 if (c_type not in ('T','S','O')): 

									 showinfo('error',"NO SUCH TYPE")

									 return 0

									 line=LIB.select(select)

									 if (len(line)!=0):

									 showinfo('addition failure',"Already have this ID!")

									 else:

									 insert="insert into lib_card values('{}','{}','{}','{}')".format(cardid,name,unit,c_type)

									 LIB.insert(insert)

									 showinfo('ok','addition success')

									 return 1

									#insert book

									def inbook():

									 insert_book=Toplevel(root)

									 insert_book.title('insert book')

									 text_insert=Text(insert_book)

									 text_insert.pack()

									 button_confirm=Button(insert_book,text='confirm')

									 button_confirm.bind("<ButtonRelease-1>",lambda x:booksin(text_insert))

									 button_confirm.pack()

									def booksin(text_insert):

									 string=text_insert.get('0.0',END)

									 string=string.split('\n')

									 print(string)

									 for line in string:

									 if line=='':

									  break

									 lines=line.split(',')

									 bookid=lines[0][1:]

									 t=lines[1]

									 name=lines[2]

									 publisher=lines[3]

									 year=lines[4]

									 writer=lines[5]

									 price=lines[6]

									 total=lines[7]

									 stock=lines[8][:-1]

									 if (int(stock)>int(total) or int(price)<0): 

									  showinfo('insert error!','stock wrong or price is below 0!')

									  continue

									 #print("insert into book values('{}','{}','{}','{}',{},'{}',{},{},{})".format(bookid,t,name,publisher,year,writer,price,total,stock))

									 t=LIB.insert("insert into book values('{}','{}','{}','{}',{},'{}',{},{},{})".format(bookid,t,name,publisher,year,writer,price,total,stock))

									 if (t==0):

									  showinfo('error','book {} has been inserted'.format(bookid))

									 showinfo('success','insert has been done')

									#original window

									label_type=Label(root,text='TYPE').grid(row=3,sticky=W,column=0)

									label_name=Label(root,text='NAME').grid(row=3,sticky=W,column=1)

									label_year=Label(root,text='YEAR(XXXX-XXXX)').grid(row=3,sticky=W,column=2)

									label_publisher=Label(root,text='PUBLISHER').grid(row=3,sticky=W,column=3)

									label_writer=Label(root,text='WRITER').grid(row=3,sticky=W,column=4)

									label_lowprice=Label(root,text='lowestprice').grid(row=3,sticky=W,column=5)

									label_highprice=Label(root,text='highestprice').grid(row=3,sticky=W,column=6)

									label_order=Label(root,text='order by').grid(row=0,sticky=W,column=6)

									entry_type=Entry(root)

									entry_type.grid(row=4,column=0,sticky=W)

									entry_name=Entry(root)

									entry_name.grid(row=4,column=1,sticky=W)

									entry_year=Entry(root)

									entry_year.grid(row=4,column=2,sticky=W)

									entry_publisher=Entry(root)

									entry_publisher.grid(row=4,column=3,sticky=W)

									entry_writer=Entry(root)

									entry_writer.grid(row=4,column=4,sticky=W)

									entry_price1=Entry(root)

									entry_price1.grid(row=4,column=5,sticky=W)

									entry_price2=Entry(root)

									entry_price2.grid(row=4,column=6,sticky=W)

									#order the result

									order_index=0

									Lb_order=Listbox(root,selectmode=SINGLE,height=6)

									order='name','book_type','T','writer','price','publisher'

									Lb_order.insert(0,order[0])

									Lb_order.insert(1,"type")

									Lb_order.insert(2,"year")

									Lb_order.insert(3,order[3])

									Lb_order.insert(4,order[4])

									Lb_order.insert(5,order[5])

									Lb_order.grid(row=0,column=7,sticky=W)

									Lb_order.selection_set(0)

									def booksearch():

									 select="select BookID,book_type,name,publisher,T,writer,price,total,stock from book"

									 order_index=Lb_order.curselection()

									 if (len(order_index)!=0):

									 order_index=order_index[0]

									 else:

									 order_index=0;

									 orders=order[order_index]

									 name=entry_name.get()

									 book_type=entry_type.get()

									 publisher=entry_publisher.get()

									 year=entry_year.get()

									 writer=entry_writer.get()

									 price1=entry_price1.get()

									 price2=entry_price2.get()

									 year1=year[0:4]

									 year2=year[5:9]

									 count=0

									 if name!='':

									 if count!=0:

									  select+=" and"

									 else:select+=" where"

									 count+=1

									 select+=" name='{}'".format(name)

									 if book_type!='':

									 if count!=0:

									  select+=" and"

									 else:select+=" where"

									 count+=1

									 select+=" book_type='{}'".format(book_type)

									 if publisher!='':

									 if count!=0:

									  select+=" and"

									 else:select+=" where"

									 count+=1

									 select+=" publisher='{}'".format(publisher)

									 if year1!='':

									 if year2=='':

									  if count!=0:

									  select+=" and"

									  else:select+=" where"

									  count+=1

									  select+=" t={}".format(year1)

									 else:

									  if count!=0:

									  select+=" and"

									  else:select+=" where"

									  count+=1

									  select+=" T between {} and {}".format(year1,year2)

									 if writer!='':

									 if count!=0:

									  select+=" and"

									 else:select+=" where"

									 count+=1

									 select+=" writer='{}'".format(writer)

									 if price1!='':

									 if price2!='':

									  if count!=0:

									  select+=" and"

									  else:select+=" where"

									  count+=1

									  select+=" price between {} and {}".format(price1,price2)

									 else:

									  if count!=0:

									  selece+="and"

									  else:select+=" where"

									  count+=1

									  select+=" price={}".format(price1)

									 if orders=='':

									 select+=" order by name"

									 else:

									 select+=" order by {}".format(orders)

									 print(select)

									 curs=LIB.select(select)

									 searchresult=Toplevel(root)

									 searchresult.title('result')

									 text=Text(searchresult)

									 text.insert(INSERT,"BookID\ttype\tname\tpublish\tyear\twriter\tprice\ttotal\tstock\n")

									 for (BookIDs,book_types,names,publishers,years,writers,prices,totals,stocks) in curs:

									 text.insert(INSERT,"{}\t{}\t{}\t{}\t{}\t{}\t{}\t{}\t{}\n".format(BookIDs,book_types,names,publishers,years,writers,prices,totals,stocks))

									 text.pack()

									def display_rent(en_cardid):

									 cardid=en_cardid.get()

									 select="select card_id from lib_card where card_id='{}'".format(cardid)

									 curs=LIB.select(select)

									 order_index=Lb_order.curselection()

									 if len(order_index)!=0 :

									 order_index=order_index[0]

									 else:

									 order_index=0;

									 orders=order[order_index]

									 if ((cardid,) in curs):

									 select="select card_id,name,unit,c_type from lib_card where card_id='{}'".format(cardid)

									 curs=LIB.select(select)

									 top=Toplevel(root)

									 text=Text(top)

									 for (card_id,name,unit,c_type) in curs:

									  text.insert(INSERT,"card_id:{}\n".format(card_id))

									  text.insert(INSERT,"name:{}\n".format(name))

									  text.insert(INSERT,"unit:{}\n".format(unit))

									  text.insert(INSERT,"c_type:{}\n".format(c_type))

									 select="select BookID,book_type,name,publisher,t,writer,price,total,stock from book natural join record where card_id='{}' and still=1 order by {}".format(cardid,orders)

									 curs=LIB.select(select)

									 text.insert(INSERT,"BookID\ttype\tname\tpublish\tyear\twriter\tprice\ttotal\tstock\n")

									 for (BookID,book_type,name,publisher,t,writer,price,total,stock) in curs:

									  text.insert(INSERT,"{}\t{}\t{}\t{}\t{}\t{}\t{}\t{}\t{}\n".format(BookID,book_type,name,publisher,t,writer,price,total,stock))

									 text.pack()

									 else:

									 showinfo('Error',"NO SUCH CARD")

									def checkcard(cardid):

									 select="select card_id from lib_card where card_id='{}'".format(cardid)

									 curs=LIB.select(select)

									 if (cardid,) in curs:

									 return 1

									 else:

									 return 0

									def rent(BookID,cardid,brokerage):

									 if not (checkcard(cardid)): 

									 showinfo('error','no such card')

									 return 0

									 select="select stock from book where BookID='{}'".format(BookID)

									 stocks=LIB.select(select)

									 #stocks=curs.fetchall()

									 stock=stocks[0]

									 if (stock>(0,)):

									 update="update book set stock=stock-1 where BookID='{}'".format(BookID)

									 flag=LIB.update(update)

									 if flag:

									  insert="insert into record values('','{}','{}',CURDATE(),DATE_ADD(CURDATE(),INTERVAL 1 MONTH),'{}',1)".format(cardid,BookID,brokerage)

									  LIB.insert(insert)

									  showinfo('rent success','OK')

									 else:

									  showinfo('rent failure',"stock wrong")

									 else:

									 select="select return_time from record where BookID='{}' and return_time>=all(select return_time from record where BookID='{}')".format(BookID,BookID)

									 date=LIB.select(select)

									 #date=curs.fetchall()

									 date=str (date)

									 showinfo('Out of stock',"There are no more such book,The recent returning will be at:{}-{}-{}".format(date[16:20],date[22:23],date[26:27]))

									 return 1

									def back(BookID,cardid):

									 if not(checkcard(cardid)): return 0

									 select="select BookID from record where BookID='{}' and card_id='{}' and still=1".format(BookID,cardid)

									 curs=LIB.select(select)

									 if (BookID,) in curs:

									 select="select record_id from record where BookID='{}' and card_id='{}' and still=1 order by rent_time".format(BookID,cardid)

									 cur=LIB.select(select)

									 #cur=curss.fetchall()

									 for record in cur:

									  recordid=str (record)

									  recordid=recordid[1:]

									  recordid=recordid[:-2]

									  update="update record set still=0 where record_id='{}'".format(recordid)

									  LIB.update(update)

									  update="update book set stock=stock+1 where BookID='{}'".format(BookID)

									  LIB.update(update)

									  break

									 showinfo('message',"Return Success!")

									 return 1

									 else:

									 showinfo('error',"You can't return the book!")

									 return 1

									def deletecard(card):

									 cardid=card.get()

									 if not (checkcard(cardid)):

									 showinfo('error',"NO SUCH CARD")

									 return 0

									 select="select record_id from record where card_id='{}' and still=1".format(cardid)

									 curs=LIB.select(select)

									 for record_id in curs:

									 showinfo('error',"Some books this card rented haven't been returned")

									 return 0

									 delete="delete from lib_card where card_id='{}'".format(cardid)

									 LIB.delete(delete)

									 showinfo('ok','success')

									 return 1

									label_id=Label(root,text='ID: ')

									label_id.grid(row=0,sticky=W)

									ide=Entry(root)

									ide.grid(row=0,column=1,sticky=E)

									label_psw=Label(root,text='PassWord: ').grid(row=1,sticky=W)

									pwde=Entry(root,show='*')

									pwde.grid(row=1,column=1,sticky=E)

									log_button=Button(root,text='Login',command=login)

									log_button.grid(row=2,column=1)

									button_search=Button(root,text='Search Book',command=booksearch)

									button_search.grid(row=4,column=7,sticky=W)

									print("all done")

									root.mainloop()