好的遇到了一些并发症我在Listctrl中设置了一些数字它们是SQL数据库中的数字，它们是作为字符串插入的......自动转换为数字
from wx import *
import Item as i
class ItemMain ( wx.Frame ):
def __init__( self, parent ):
wx.Frame.__init__ ( self, parent, id = wx.ID_ANY, title = u"Items", pos = wx.DefaultPosition, size = wx.Size( 517,486 ), style = wx.DEFAULT_FRAME_STYLE|wx.TAB_TRAVERSAL )
self.SetSizeHintsSz( wx.Size( -1,-1 ), wx.DefaultSize )
bSizer3 = wx.BoxSizer( wx.VERTICAL )
# Create a Item
self.ite = i.Item()
self.list = wx.ListCtrl( self, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize,wx.LC_REPORT )
self.list.InsertColumn(0,"Item ID")
self.list.InsertColumn(1,"Item Name")
self.list.InsertColumn(2,"Item Price")
self.list.InsertColumn(3,"Stock")
self.list.Bind(EVT_LIST_ITEM_SELECTED,self.GetSelectedItems)
self.list.SetMinSize( wx.Size( 500,300 ) )
self.list.SetMaxSize( wx.Size( 1000,800 ) )
self.refresh_list(None)
bSizer3.Add( self.list, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL, 5 )
bSizer4 = wx.BoxSizer( wx.HORIZONTAL )
self.m_button20 = wx.Button( self, wx.ID_ANY, u"Add Item", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_button20.Bind(wx.EVT_BUTTON, self.add_entry)
bSizer4.Add( self.m_button20, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_button21 = wx.Button( self, wx.ID_ANY, u"Update Record", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_button21.Bind(wx.EVT_BUTTON, self.update_entry)
bSizer4.Add( self.m_button21, 1, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
bSizer3.Add( bSizer4, 1, wx.EXPAND, 5 )
self.SetSizer( bSizer3 )
self.Layout()
self.Centre( wx.BOTH )
self.Show()
def refresh_list(self, event):
"""Place the names of each ItemEntry into the list"""
self.index = 0
self.entrydict = {}
self.list.DeleteAllItems()
for entry in self.ite.list_entries():
self.list.InsertStringItem(self.index,entry.Item_ID)
self.list.SetStringItem(self.index,1,entry.Item_Name)
self.list.SetStringItem(self.index,2,entry.Item_Price)
self.list.SetStringItem(self.index,3,entry.Item_Qty)
self.entrydict[self.index] = entry
self.index += 1
def GetSelectedItems(self, event):
""" Gets the selected items for the list control.
Selection is returned as a list of selected indices,
low to high.
"""
selection = []
self.index = self.list.GetFirstSelected()
selection.append(self.index)
while len(selection) != self.list.GetSelectedItemCount():
self.index = self.list.GetNextSelected(self.index)
selection.append(self.index)
return self.index
def add_entry(self, event):
"""Add a new entry to the Item_Qty ite"""
# start out with blank, generic ItemEntry
entry = i.ItemEntry("","","","0")
self.endiag = ItemDetail(self,entry)
self.endiag.ShowModal()
self.ite.add_entry(entry.Item_ID,
entry.Item_Name,
entry.Item_Price,
entry.Item_Qty )
self.refresh_list(None)
def update_entry(self, event):
"""updates the details of the currently selected entry"""
e_id = self.index
entry = self.ite.list_entries()[e_id]
self.endiag2 = ItemDetailU(self , entry)
self.endiag2.ShowModal()
self.ite.update_entry(entry.Item,
entry.Item_Name,
entry.Item_Price,
entry.Item_Qty )
self.refresh_list(None)
def __del__( self ):
pass
class ItemDetail ( wx.Dialog ):
def __init__( self, parent, entry ):
wx.Dialog.__init__ ( self, parent, id = wx.ID_ANY, title =u"Add Item", pos = wx.DefaultPosition, size = wx.Size( 690,500 ), style = wx.DEFAULT_DIALOG_STYLE )
self.entry = entry
self.SetSizeHintsSz( wx.Size( 500,500 ), wx.DefaultSize )
bSizer6 = wx.BoxSizer( wx.VERTICAL )
gSizer6 = wx.GridSizer( 2, 2, 0, 0 )
self.m_staticText5 = wx.StaticText( self, wx.ID_ANY, u"ID", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText5.Wrap( -1 )
gSizer6.Add( self.m_staticText5, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.Item_ID = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
self.Item_ID.SetMinSize( wx.Size( 200,15 ) )
self.Item_ID.SetMaxSize( wx.Size( 500,15 ) )
self.m_staticText6 = wx.StaticText( self, wx.ID_ANY, u"Item Name", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText6.Wrap( -1 )
gSizer6.Add( self.m_staticText6, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.Item_Name = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
self.Item_Name.SetMinSize( wx.Size( 200,15 ) )
self.Item_Name.SetMaxSize( wx.Size( 500,15 ) )
gSizer6.Add( self.Item_Name, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND, 5 )
self.m_staticText7 = wx.StaticText( self, wx.ID_ANY, u"Item Price", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText7.Wrap( -1 )
gSizer6.Add( self.m_staticText7, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.Item_Price = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
self.Item_Price.SetMinSize( wx.Size( 200,15 ) )
self.Item_Price.SetMaxSize( wx.Size( 500,15 ) )
gSizer6.Add( self.Item_Price, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_staticText7 = wx.StaticText( self, wx.ID_ANY, u"Stock", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText7.Wrap( -1 )
gSizer6.Add( self.m_staticText7, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_staticText8 = wx.StaticText( self, wx.ID_ANY, self.entry.Item_Qty, wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText8.Wrap( -1 )
gSizer6.Add( self.m_staticText8, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
bSizer6.Add( gSizer6, 1, wx.EXPAND, 5 )
bSizer13 = wx.BoxSizer( wx.HORIZONTAL )
self.m_button24 = wx.Button( self, wx.ID_ANY, u"ok", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_button24.Bind(wx.EVT_BUTTON, self.ok)
bSizer13.Add( self.m_button24, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_button25 = wx.Button( self, wx.ID_ANY, u"cancel", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_button25.Bind(wx.EVT_BUTTON, self.closeDial)
bSizer13.Add( self.m_button25, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 5 )
bSizer6.Add( bSizer13, 1, wx.EXPAND, 5 )
self.SetSizer( bSizer6 )
self.Layout()
self.Centre( wx.BOTH )
def closeDial(self,event):
"""Closes the Dialog"""
self.Destroy()
def ok(self, event):
"""sets the details of the current entry"""
self.entry.set_details( str(self.Item_ID.GetValue()),
str(self.Item_Name.GetValue()),
str(self.Item_Price.GetValue()),
str(self.Item_Qty.GetValue()) )
self.Destroy()
def __del__( self ):
pass
class ItemDetailU ( wx.Dialog ):
def __init__( self, parent, entry ):
wx.Dialog.__init__ ( self, parent, id = wx.ID_ANY, title = u"Update Item:", pos = wx.DefaultPosition, size = wx.Size( 690,500 ), style = wx.DEFAULT_DIALOG_STYLE )
self.entry = entry
self.SetSizeHintsSz( wx.Size( 500,500 ), wx.DefaultSize )
bSizer6 = wx.BoxSizer( wx.VERTICAL )
gSizer6 = wx.GridSizer( 2, 2, 0, 0 )
self.m_staticText5 = wx.StaticText( self, wx.ID_ANY, u"ID", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText5.Wrap( -1 )
gSizer6.Add( self.m_staticText5, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_staticText121 = wx.StaticText( self, wx.ID_ANY, self.entry.Item_ID, wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText121.Wrap( -1 )
gSizer6.Add( self.m_staticText121, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_CENTER_HORIZONTAL, 5 )
self.m_staticText6 = wx.StaticText( self, wx.ID_ANY, u"Item Name", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText6.Wrap( -1 )
gSizer6.Add( self.m_staticText6, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.Item_Name = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
self.Item_Name.SetMinSize( wx.Size( 200,15 ) )
self.Item_Name.SetMaxSize( wx.Size( 500,15 ) )
gSizer6.Add( self.Item_Name, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND, 5 )
self.m_staticText7 = wx.StaticText( self, wx.ID_ANY, u"Item Price", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText7.Wrap( -1 )
gSizer6.Add( self.m_staticText7, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.Item_Price = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
self.Item_Price.SetMinSize( wx.Size( 200,15 ) )
self.Item_Price.SetMaxSize( wx.Size( 500,15 ) )
gSizer6.Add( self.Item_Price, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_staticText7 = wx.StaticText( self, wx.ID_ANY, u"Stock", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText7.Wrap( -1 )
gSizer6.Add( self.m_staticText7, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_staticText8 = wx.StaticText( self, wx.ID_ANY, self.entry.Item_Qty, wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_staticText8.Wrap( -1 )
gSizer6.Add( self.m_staticText8, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
bSizer6.Add( gSizer6, 1, wx.EXPAND, 5 )
bSizer13 = wx.BoxSizer( wx.HORIZONTAL )
self.m_button24 = wx.Button( self, wx.ID_ANY, u"ok", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_button24.Bind(wx.EVT_BUTTON, self.ok)
bSizer13.Add( self.m_button24, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 5 )
self.m_button25 = wx.Button( self, wx.ID_ANY, u"cancel", wx.DefaultPosition, wx.DefaultSize, 0 )
self.m_button25.Bind(wx.EVT_BUTTON, self.closeDial)
bSizer13.Add( self.m_button25, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 5 )
bSizer6.Add( bSizer13, 1, wx.EXPAND, 5 )
self.SetSizer( bSizer6 )
self.Layout()
self.Centre( wx.BOTH )
def closeDial(self,event):
self.Destroy()
def ok(self, event):
self.entry.set_details( str(self.Item_ID.GetValue()),
str(self.Item_Name.GetValue()),
str(self.Item_Price.GetValue()),
str(self.Item_Qty.GetValue()) )
self.Destroy()
def __del__( self ):
pass
def main():
ex = wx.App()
ItemMain(None)
ex.MainLoop()
if __name__ == '__main__':
main()
我的问题在于在listctrl中设置数字。鉴于我在设置条目时将它们转换为字符串，当调用refreshlist函数时，错误调用SetStingItem，其中值是价格可能发生在数量上坚持我插入一个字符串，并提供的不是一个字符串....任何关于如何解决这个问题的想法？找不到任何python文档来帮助我
答案 0 :(得分：0)
如前所述，您需要将项目转换为字符串。我实际上会在你的物品代码中进行投射，所以它是在幕后完成的。可能有效的另一个替代方法是对wx.ListCtrl本身进行子类化并覆盖Setter，但我认为当你可以在Item类中执行它时，这是过度的。