基于python+mysql的图书管理系统，有gui

'''一个图书管理系统，能够实现增加书籍，删除书籍， 修改书籍和查看图书详情，基于mysql数据库和 wxPython''' import wx from book import * from dbhelper import * __metaclass__ = type class AddFrame(wx.Frame): '''添加书籍弹出的小窗口''' def __init__(self, parent, title): '''初始化该小窗口的布局''' self.mainframe = parent #生成一个300*300的框 wx.Frame.__init__(self, parent, title = title, size = (400, 250)) self.panel = wx.Panel(self, pos = (0, 0), size = (400, 250)) self.panel.SetBackgroundColour("#FFFFFF") #背景为白色 #三个编辑框，分别用来编辑书名，作者，书籍相关信息 bookName_tip = wx.StaticText(self.panel, label = "书名:", pos = (5, 8), size = (35, 25)) bookName_tip.SetBackgroundColour("#FFFFFF") bookName_text = wx.TextCtrl(self.panel, pos = (40, 5), size = (340, 25)) self.name = bookName_text author_tip = wx.StaticText(self.panel, label = "作者:", pos = (5, 38), size = (35, 25)) author_tip.SetBackgroundColour("#FFFFFF") author_text = wx.TextCtrl(self.panel, pos = (40, 35), size = (340, 25)) self.author = author_text content_tip = wx.StaticText(self.panel, label = "内容:", pos = (5, 68), size = (340, 25)) content_tip.SetBackgroundColour("#FFFFFF") content_text = wx.TextCtrl(self.panel, pos = (40, 65), size = (340, 100), style = wx.TE_MULTILINE) self.content = content_text save_button = wx.Button(self.panel, label = "保存书籍", pos = (160, 170)) self.Bind(wx.EVT_BUTTON, self.saveBook, save_button) #需要用到的数据库接口 self.dbhelper = DBHelper() def saveBook(self, evt): '''第一步：获取text中文本；第二步，连接数据库；第三步插入并获得主键；第四步添加到ListCtrl中''' bookName = self.name.GetValue() author = self.author.GetValue() content = self.content.GetValue() print("书名:"+bookName) if bookName == "" or author == "" or content == "": print("进来了") warn = wx.MessageDialog(self, message = "所有信息不能为空！！！", caption = "错误警告", style = wx.YES_DEFAULT | wx.ICON_ERROR) warn.ShowModal() #提示错误 warn.Destroy() return else: print("开始插入到数据库中") book = Book(bookName, author, content) book_id = self.dbhelper.insertBook(book) self.mainframe.addToList(book_id, book) self.Destroy() class UpdateFrame(wx.Frame): def __init__(self, parent, title, select_id): '''初始化更新图书信息界面总布局''' wx.Frame(parent, title = title, size = (400, 250)) #用来调用父frame,便于更新 self.mainframe = parent #生成一个300*300的框 wx.Frame.__init__(self, parent, title = title, size = (400, 250)) self.panel = wx.Panel(self, pos = (0, 0), size = (400, 250)) self.panel.SetBackgroundColour("#FFFFFF") #背景为白色 #三个编辑框，分别用来编辑书名，作者，书籍相关信息 bookName_tip = wx.StaticText(self.panel, label = "书名:", pos = (5, 8), size = (35, 25)) bookName_tip.SetBackgroundColour("#FFFFFF") bookName_text = wx.TextCtrl(self.panel, pos = (40, 5), size = (340, 25)) self.name = bookName_text author_tip = wx.StaticText(self.panel, label = "作者:", pos = (5, 38), size = (35, 25)) author_tip.SetBackgroundColour("#FFFFFF") author_text = wx.TextCtrl(self.panel, pos = (40, 35), size = (340, 25)) self.author = author_text content_tip = wx.StaticText(self.panel, label = "内容:", pos = (5, 68), size = (340, 25)) content_tip.SetBackgroundColour("#FFFFFF") content_text = wx.TextCtrl(self.panel, pos = (40, 65), size = (340, 100), style = wx.TE_MULTILINE) self.content = content_text save_button = wx.Button(self.panel, label = "保存修改", pos = (160, 170)) self.Bind(wx.EVT_BUTTON, self.saveUpdate, save_button) #选中的id和bookid self.select_id = select_id self.bookid = self.mainframe.list.GetItem(select_id, 0).Text #获取第select_id行的第0列的值 print(select_id, self.bookid) #需要用到的数据库接口 self.dbhelper = DBHelper() self.showAllText() #展现所有的text原来取值 def showAllText(self): '''显示概述本原始信息''' data = self.dbhelper.getBookById(self.bookid) #通过id获取书本信息 self.name.SetValue(data[0]) #设置值 self.author.SetValue(data[1]) self.content.SetValue(data[2]) def saveUpdate(self, evt): '''保存修改后的值''' bookName = self.name.GetValue() #获得修改后的值 author = self.author.GetValue() content = self.content.GetValue() print("书名:"+bookName) if bookName == "" or author == "" or content == "": print("进来了") warn = wx.MessageDialog(self, message = "所有信息不能为空！！！", caption = "错误警告", style = wx.YES_DEFAULT | wx.ICON_ERROR) warn.ShowModal() #提示错误 warn.Destroy() return else: print("开始将修改后的数据保存到数据库中") book = Book(bookName, author, content) #将数据封装到book对象中 self.dbhelper.saveUpdate(self.bookid, book) self.mainframe.list.SetItem(self.select_id, 1, bookName) self.Destroy() #修改完后自动销毁 class ShowFrame(wx.Frame): '''用来显示书籍的信息''' def __init__(self, parent, title, select_id): '''初始化该小窗口的布局''' #便于调用父窗口 self.mainframe = parent #生成一个300*300的框 wx.Frame.__init__(self, parent, title = title, size = (400, 250)) self.panel = wx.Panel(self, pos = (0, 0), size = (400, 250)) self.panel.SetBackgroundColour("#FFFFFF") #背景为白色 #三个编辑框，分别用来编辑书名，作者，书籍相关信息 bookName_tip = wx.StaticText(self.panel, label = "书名:", pos = (5, 8), size = (35, 25)) bookName_tip.SetBackgroundColour("#FFFFFF") bookName_text = wx.TextCtrl(self.panel, pos = (40, 5), size = (340, 25)) bookName_text.SetEditable(False) self.name = bookName_text author_tip = wx.StaticText(self.panel, label = "作者:", pos = (5, 38), size = (35, 25)) author_tip.SetBackgroundColour("#FFFFFF") author_text = wx.TextCtrl(self.panel, pos = (40, 35), size = (340, 25)) author_text.SetEditable(False) self.author = author_text content_tip = wx.StaticText(self.panel, label = "内容:", pos = (5, 68), size = (340, 25)) content_tip.SetBackgroundColour("#FFFFFF") content_text = wx.TextCtrl(self.panel, pos = (40, 65), size = (340, 100), style = wx.TE_MULTILINE) content_text.SetEditable(False) self.content = content_text #选中的id和bookid self.select_id = select_id self.bookid = self.mainframe.list.GetItem(select_id, 0).Text #获取第select_id行的第0列的值 #需要用到的数据库接口 self.dbhelper = DBHelper() self.showAllText() #展现所有的text原来取值 def showAllText(self): '''显示概述本原始信息''' data = self.dbhelper.getBookById(self.bookid) #通过id获取书本信息 self.name.SetValue(data[0]) #设置值 self.author.SetValue(data[1]) self.content.SetValue(data[2]) class LibraryFrame(wx.Frame): def __init__(self, parent, title): '''初始化系统总体布局，包括各种控件''' #生成一个宽为400，高为400的frame框 wx.Frame.__init__(self, parent, title=title, size=(400,