Question

我在使用python 2.7时遇到了问题，已经使用了好几天，但没有找到。
我编写了一个简单的平均计算程序，并使其成为了一个自动将其保存到文本文件并显示在列表框中的插件。但是该数据未在列表框中正确列出。顺便说一句，我从另一个来源获得了自动完成代码。

您必须输入40,90,60之类的数字！

#coding:utf-8
from Tkinter import *
import re

d=open("kayit.txt", "r+")
lista = []
lista.insert(1, d.read())

#Kaçıncı baytta olduğunu söyler.
d.seek(0)


class AutocompleteEntry(Entry):
    def __init__(self, lista, *args, **kwargs):

    #Entry girişini oluşturan kod.
    Entry.__init__(self, *args, **kwargs)
    self.lista = lista
    self.var = self["textvariable"]
    if self.var == '':
        self.var = self["textvariable"] = StringVar()

    self.var.trace('w', self.changed)
    self.bind("<Right>", self.selection)
    self.bind("<Up>", self.up)
    self.bind("<Down>", self.down)

    self.lb_up = False

    Button(text='Calculate', command=self.hesapla).grid(row=2, column=0)
    Button(text='Clear', command=lambda :self.delete(0,END)).grid(row=3, column=0)


def hesapla(self):
    veri=self.get()
    d.write(veri)
    d.write("\n")


    try:
        if veri=="":
            sonuc.config(text="Please don't\n leave it blank!")
        else:
            num=veri.split(",")
            toplam=0

            for n in num:
                toplam=toplam+float(n)

                sonuc.config(text=toplam/len(num))
    except ValueError:
        sonuc.config(text="You must enter\n a valid number!")

def changed(self, name, index, mode):

    if self.var.get() == '':
        self.lb.destroy()
        self.lb_up = False
    else:
        words = self.comparison()
        if words:
            if not self.lb_up:
                self.lb = Listbox()
                self.lb.bind("<Double-Button-1>", self.selection)
                self.lb.bind("<Right>", self.selection)
                self.lb.place(x=self.winfo_x(), y=self.winfo_y() + self.winfo_height())
                self.lb_up = True

            self.lb.delete(0, END)
            for w in words:
                self.lb.insert(END, w)
        else:
            if self.lb_up:
                self.lb.destroy()
                self.lb_up = False

def selection(self, event):

    if self.lb_up:
        self.var.set(self.lb.get(ACTIVE))
        self.lb.destroy()
        self.lb_up = False
        self.icursor(END)

def up(self, event):

    if self.lb_up:
        if self.lb.curselection() == ():
            index = '0'
        else:
            index = self.lb.curselection()[0]
        if index != '0':
            self.lb.selection_clear(first=index)
            index = str(int(index) - 1)
            self.lb.selection_set(first=index)
            self.lb.activate(index)

def down(self, event):

    if self.lb_up:
        if self.lb.curselection() == ():
            index = '0'
        else:
            index = self.lb.curselection()[0]
        if index != END:
            self.lb.selection_clear(first=index)
            index = str(int(index) + 1)
            self.lb.selection_set(first=index)
            self.lb.activate(index)

def comparison(self):
    pattern = re.compile('.*' + self.var.get() + '.*')
    return [w for w in self.lista if re.match(pattern, w)]


if __name__ == '__main__':
    root = Tk()

    entry = AutocompleteEntry(lista, root)
    entry.grid(row=0, column=0)


    sonuc=Label()
    sonuc.config(text="No action has\n been made 
    yet.",relief="sunken",font="bold 13",bg="lightblue",width=20,height=2)
    sonuc.grid(row=1,column=0)


    root.mainloop()

    d.close()

列表框排名问题

0 个答案: