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小编给大家分享一下python实现图书管理系统的案例，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
实现语言：python
图形框架：DTK+2.0
数据库框架：SQLite 3.0
本程序需要以下部件运行：
Python2.5.0、GTK+2.16、Pygtk 2.16、PyGobject 2.14、Pycairo 1.4
LibiaryManager.py
#!/usr/bin/python
# -*- coding: utf-8 -*-
import pygtk
pygtk.require('2.0')
import gtk
import sys
import gobject
import sqlite3
import time
import datetime
class LibManager:
bookColumName = (u"书本号", u"书名", u"作者", u"出版社",
u"价格", u"购入日期", u"分类", u"简介", u"馆藏数")
readerColumName = (u"读者号", u"读者姓名", u"读者身份", u"备注")
def __init__(self):
self.dbconn = sqlite3.connect('sqlitefile.db')
self.cursor = self.dbconn.cursor()
self.nowDate = time.strftime("%Y-%m-%d").decode("utf-8")
inputBookInitData = (u"书名", u"作者", u"出版社",
0.0, self.nowDate, u"分类", u"简介", 0)
try:
builder = gtk.Builder()
builder.add_from_file("ui.glade")
except BaseException, e:
self.errorMessage("Fail to load UI file.")
print e
sys.exit(1)
builder.connect_signals(self)
self.window = builder.get_object("mainWindow")
self.borrowView = builder.get_object("borrowView")
self.borrowViewModel = builder.get_object("borrowViewModel")
self.borrowViewInit()
self.returnView = builder.get_object("returnView")
self.returnViewModel = builder.get_object("returnViewModel")
self.returnEntryReaderID = builder.get_object("returnReaderID")
self.returnEntryBookID = builder.get_object("returnBookID")
self.returnViewInit()
self.queryView = builder.get_object("queryView")
self.queryViewReaderModel = builder.get_object("queryViewReaderModel")
self.queryViewBookModel = builder.get_object("queryViewBookModel")
self.inputView = builder.get_object("inputView")
self.inputViewBookModel = builder.get_object("inputViewBookModel")
self.inputViewReaderModel = builder.get_object("inputViewReaderModel")
self.inputViewModel = None
def borrowViewInit(self):
columName = (u"读者号", u"书号", u"借出日期")
columEditAttr = (True, True, False)
for columnNum in range(len(columName)):
renderer = gtk.CellRendererText()
renderer.set_data("column", columnNum)
renderer.set_property("editable", columEditAttr[columnNum])
if columEditAttr[columnNum]:
renderer.connect("edited", self.on_borrow_cell_edited)
column = gtk.TreeViewColumn(columName[columnNum], renderer,
text=columnNum)
column.set_resizable(True)
self.borrowView.append_column(column)
def returnViewInit(self):
columName = (u"借书记录", u"书本", u"读者姓名", u"读者资料", u"借出日期")
for columnNum in range(len(columName)):
renderer = gtk.CellRendererText()
column = gtk.TreeViewColumn(columName[columnNum], renderer,
text=columnNum)
column.set_resizable(True)
self.returnView.append_column(column)
# QueryView
def queryViewSetColumn(self, columName):
self.queryRecord = 0
columns = self.queryView.get_columns()
for c in columns:
self.queryView.remove_column(c)
self.queryViewModel.clear()
self.queryView.set_model(self.queryViewModel)
for columnNum in range(len(columName)):
renderer = gtk.CellRendererText()
renderer.set_property("editable", True)
column = gtk.TreeViewColumn(columName[columnNum], renderer,
text=columnNum)
column.set_resizable(True)
self.queryView.append_column(column)
def queryReader(self):
self.queryViewModel = self.queryViewReaderModel
self.queryViewSetColumn(self.readerColumName)
self.cursor.execute("SELECT COUNT(*) FROM reader")
self.maxRecords = self.cursor.fetchone()[0]
print self.maxRecords
def queryBook(self):
self.queryViewModel = self.queryViewBookModel
self.queryViewSetColumn(self.bookColumName)
self.cursor.execute("SELECT COUNT(*) FROM books")
self.maxRecords = self.cursor.fetchone()[0]
print self.maxRecords
#inputView
def inputViewSetColumn(self, columName):
columns = self.inputView.get_columns()
for c in columns:
self.inputView.remove_column(c)
self.inputViewModel.clear()
self.inputView.set_model(self.inputViewModel)
for columnNum in range(len(columName)):
renderer = gtk.CellRendererText()
renderer.set_property("editable", True)
renderer.set_data("column", columnNum)
renderer.connect("edited", self.on_input_cell_edited)
column = gtk.TreeViewColumn(columName[columnNum], renderer,
text=columnNum)
column.set_resizable(True)
self.inputView.append_column(column)
def inputReader(self):
self.inputViewModel = self.inputViewReaderModel
self.inputViewSetColumn(self.readerColumName[1:])
def inputBook(self):
self.inputViewModel = self.inputViewBookModel
self.inputViewSetColumn(self.bookColumName[1:])
#Callback Functions
def on_mainWindow_delete_event(self, widget, data=None):
print "destroy signal occurred"
gtk.main_quit()
#BorrowView
def on_borrowAdd_clicked(self, button, data = None):
self.borrowViewModel.append((1001, 1, self.nowDate))
def on_borrowDel_clicked(self, button, data = None):
selection = self.borrowView.get_selection()
model, iter = selection.get_selected()
if iter:
model.remove(iter)
def on_borrowClear_clicked(self, button, data = None):
self.borrowViewModel.clear()
def on_borrowSubmit_clicked(self, button, data = None):
for row in self.borrowViewModel:
self.cursor.execute("INSERT INTO borrow VALUES (NULL, ?, ?, ?)", row)
self.dbconn.commit()
self.infoMessage(u"借书记录已经成功提交。")
self.borrowViewModel.clear()
def on_borrow_cell_edited(self, cell, path_string, new_text):
model = self.borrowViewModel
iter = model.get_iter_from_string(path_string)
column = cell.get_data("column")
try:
id = int(new_text)
except ValueError, e:
print e
self.errorMessage(u"请输入纯数字记录。")
return
if column == 0:
self.cursor.execute("SELECT * FROM reader where ReaderID = ?", [new_text])
if self.cursor.fetchone():
model.set(iter, column, id)
else:
self.errorMessage(u"不存在该读者号: %d。" % id)
if column == 1:
self.cursor.execute("SELECT * FROM books where BookID = ?", [new_text])
if self.cursor.fetchone():
model.set(iter, column, id)
else:
self.errorMessage(u"不存在该书本号: %d。" % id)
#QueryView
def on_queryBooks_clicked(self, button, data = None):
self.queryBook()
self.cursor.execute("SELECT * FROM books LIMIT ? OFFSET ?", [15, 0])
for row in self.cursor:
self.queryViewModel.append(row)
def on_queryReaders_clicked(self, button, data = None):
self.queryReader()
self.cursor.execute("SELECT * FROM reader LIMIT ? OFFSET ?", [15, 0])
for row in self.cursor:
self.queryViewModel.append(row)
def on_queryPrev_clicked(self, button, data = None):
if self.queryRecord == 0:
self.errorMessage(u"已到最前页。")
return
self.queryRecord -= 15
self.queryViewModel.clear()
if self.queryViewModel.get_n_columns() == 9:
self.cursor.execute("SELECT * FROM books LIMIT ? OFFSET ?",[15, self.queryRecord])
elif self.queryViewModel.get_n_columns() == 4:
self.cursor.execute("SELECT * FROM reader LIMIT ? OFFSET ?",[15, self.queryRecord])
for row in self.cursor:
self.queryViewModel.append(row)
def on_queryNext_clicked(self, button, data = None):
if self.queryRecord + 15 > self.maxRecords:
self.errorMessage(u"已到最后页。")
return
self.queryRecord += 15
self.queryViewModel.clear()
if self.queryViewModel.get_n_columns() == 9:
self.cursor.execute("SELECT * FROM books LIMIT ? OFFSET ?",[15, self.queryRecord])
elif self.queryViewModel.get_n_columns() == 4:
self.cursor.execute("SELECT * FROM reader LIMIT ? OFFSET ?",[15, self.queryRecord])
for row in self.cursor:
self.queryViewModel.append(row)
def on_returnQuery_clicked(self, button, data = None):
readerid = self.returnEntryReaderID.get_text()
bookid = self.returnEntryBookID.get_text()
if len(readerid) and len(bookid):
self.cursor.execute("SELECT borrow.BorrowID, books.BookName, reader.ReaderName,\
reader.ReaderSchool, borrow.BorrowDate FROM borrow,books,reader\
WHERE books.BookID = borrow.BookID AND \
reader.ReaderID = borrow.ReaderID AND\
borrow.ReaderID = ? AND borrow.BookID = ?", [readerid, bookid])
elif len(readerid):
self.cursor.execute("SELECT borrow.BorrowID, books.BookName, reader.ReaderName,\
reader.ReaderSchool, borrow.BorrowDate FROM borrow,books,reader\
WHERE books.BookID = borrow.BookID AND \
reader.ReaderID = borrow.ReaderID AND\
borrow.ReaderID = ?", [readerid])
elif len(bookid):
self.cursor.execute("SELECT borrow.BorrowID, books.BookName, reader.ReaderName,\
reader.ReaderSchool, borrow.BorrowDate FROM borrow,books,reader\
WHERE books.BookID = borrow.BookID AND \
reader.ReaderID = borrow.ReaderID AND\
borrow.BookID = ?", [bookid])
else:
self.errorMessage(u"请输入查询条件。")
return
self.returnViewModel.clear()
for row in self.cursor:
self.returnViewModel.append(row)
def on_returnCommit_clicked(self, button, data = None):
selection = self.returnView.get_selection()
model, iter = selection.get_selected()
if iter:
borrowDate = time.strptime(model.get_value(iter, 4), "%Y-%m-%d")
timeDelta = datetime.date.today() - datetime.date(*borrowDate[0:3])
borrowDays = timeDelta.days
borrowID = model.get_value(iter, 0)
self.cursor.execute("DELETE FROM borrow WHERE BorrowID = ?", [borrowID])
self.dbconn.commit()
readerName = model.get_value(iter, 2)
bookName = model.get_value(iter, 1)
self.infoMessage(u"读者 %s 所借书《%s》归还成功。 借出%d天" % (readerName, bookName, borrowDays))
model.remove(iter)
#inputView
def on_inputReader_clicked(self, button, data = None):
self.inputReader()
def on_inputBooks_clicked(self, button, data = None):
self.inputBook()
def on_inputAdd_clicked(self, button, data = None):
if not self.inputViewModel:
self.errorMessage(u"请先选择录入类型。")
return
count = self.inputViewModel.get_n_columns()
if count == 3:
inputReaderInitData = (u"姓名", u"身份", u"备注")
self.inputViewModel.append(inputReaderInitData)
elif count == 8:
inputBookInitData = (u"书名", u"作者", u"出版社",
0.0, self.nowDate, u"分类", u"简介", 0)
self.inputViewModel.append(inputBookInitData)
def on_inputDel_clicked(self, button, data = None):
selection = self.inputView.get_selection()
model, iter = selection.get_selected()
if iter:
model.remove(iter)
def on_inputSubmit_clicked(self, button, data = None):
count = self.inputViewModel.get_n_columns()
for row in self.inputViewModel:
#录入读者
if count == 3:
self.cursor.execute(u"INSERT INTO reader VALUES (NULL, ?, ?, ?)",
[s.decode("utf-8") for s in row])
#录入书目
elif count == 8:
dataRow = []
for obj in row:
if isinstance(obj, str):
dataRow.append(obj.decode("utf-8"))
else:
dataRow.append(obj)
print dataRow
self.cursor.execute(u"INSERT INTO books VALUES (NULL, ?, ?, ?, ?, ?, ?, ?, ?)",\
dataRow)
self.dbconn.commit()
self.infoMessage(u"记录已经成功提交。")
self.inputViewModel.clear()
def on_input_cell_edited(self, cell, path_string, new_text):
iter = self.inputViewModel.get_iter_from_string(path_string)
column = cell.get_data("column")
columnCount = self.inputViewModel.get_n_columns()
if columnCount == 3:
self.inputViewModel.set(iter, column, new_text)
elif columnCount == 8:
if self.inputViewModel.get_column_type(column) == gobject.TYPE_FLOAT:
try:
self.inputViewModel.set(iter, column, float(new_text))
except ValueError, e:
self.errorMessage(u"请输入价格实数。")
return
elif self.inputViewModel.get_column_type(column) == gobject.TYPE_UINT:
try:
self.inputViewModel.set(iter, column, int(new_text))
except ValueError, e:
self.errorMessage(u"请输入整数。")
return
else:
self.inputViewModel.set(iter, column, new_text)
def errorMessage(self, message):
print message
dialog = gtk.MessageDialog(None,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, message)
dialog.run()
dialog.destroy()
def infoMessage(self, message):
print message
dialog = gtk.MessageDialog(None,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_INFO, gtk.BUTTONS_OK, message)
dialog.run()
dialog.destroy()
def main(self):
self.window.show()
gtk.main()
if __name__ == "__main__":
app = LibManager()
app.main()LibDBInit.py
#!/usr/bin/python
#encoding:utf-8
import sqlite3
def LibDbInit(con):
c = con.cursor()
c.execute("""
CREATE TABLE `books` (
`BookID` INTEGER PRIMARY KEY,
`BookName` TEXT ,
`BookAuthor` TEXT ,
`BookPublish` TEXT ,
`BookPrice` FLOAT ,
`BookDate` TEXT ,
`BookType` TEXT ,
`BookContent` TEXT ,
`BookState` INTEGER
)
""")
c.execute("""
CREATE TABLE `reader` (
`ReaderID` INTEGER PRIMARY KEY,
`ReaderName` TEXT ,
`ReaderSchool` TEXT ,
`ReaderInfo` TEXT
)
""")
c.execute("""
CREATE TABLE `borrow` (
`BorrowID` INTEGER PRIMARY KEY,
`ReaderID` INTEGER ,
`BookID` INTEGER ,
`BorrowDate` TEXT
)
""")
books = ((1, u"C语言程序设计", u"谭浩强", u"教育出版社", 29.90, u"2009-04-30", u"计算机", u"", 5),
(2, u"数据结构", u"谭浩强", u"教育出版社", 29.90, u"2009-04-30", u"计算机", u"", 5),
(3, u"数据库原理", u"谭浩强", u"教育出版社", 29.90, u"2009-04-30", u"计算机", u"", 5),
(4, u"汇编语言", u"谭浩强", u"教育出版社", 29.90, u"2009-04-30", u"计算机", u"", 5),
(5, u"大学国文", u"国立", u"教育出版社", 19.90, u"2009-04-30", u"文学", u"", 5),
(6, u"古代诗词", u"国立", u"教育出版社", 19.90, u"2009-04-30", u"文学", u"", 5),
(7, u"广州地图", u"工作", u"广州出版社", 9.90, u"2009-04-30", u"工具书", u"", 5),
(8, u"牛津词典", u"词典", u"广州出版社", 9.90, u"2009-04-30", u"工具书", u"", 5))
for r in books:
c.execute("INSERT INTO books VALUES (?,?,?,?,?,?,?,?,?)", r)
readers = ((1001, u"陈一", u"广州大学计算机学院", u"B15"),
(1002, u"王二", u"广州大学计算机学院", u"B15"),
(1003, u"刘三", u"广州大学美术学院", u"B12"),
(1004, u"陈一明", u"广州大学人文学院", u"B10"),
(1005, u"张三", u"广州大学人文学院", u"B5"),
(1006, u"何明", u"广州大学土木工程学院", u"B22"),
(1007, u"陈中", u"广州大学数学学院", u"B24"),
(1008, u"黄六", u"广州大学体育学院", u"B25"))
for r in readers:
c.execute("INSERT INTO reader VALUES (?,?,?,?)", r)
borrows = ((1, 1001, 1, u"2009-04-20"),
(2, 1001, 2, u"2009-04-20"),
(3, 1002, 3, u"2009-04-20"),
(4, 1003, 5, u"2009-04-20"),
(5, 1004, 4, u"2009-04-20"),
(6, 1004, 2, u"2009-04-20"),
(7, 1003, 7, u"2009-04-20"),
(8, 1006, 8, u"2009-04-20"),
(9, 1007, 2, u"2009-04-20"),
(10, 1008, 8, u"2009-04-20"))
for r in borrows:
c.execute("INSERT INTO borrow VALUES (?,?,?,?)", r)
# Save (commit) the changes
con.commit()
if __name__ == "__main__":
LibDbInit(sqlite3.connect('sqlitefile.db'))以上是“python实现图书管理系统的案例”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注创新互联行业资讯频道！