list.sort
方法sorted
功能接受可选key
参数。函数的返回值用作比较键。
指定key
将treeview项目转换为数字的功能将解决您的问题。
例子:
try:
from tkinter import *
from tkinter import ttk
except ImportError:
from Tkinter import *
import ttk
def treeview_sort_column(tv, col, reverse):
l = [(tv.set(k, col), k) for k in tv.get_children('')]
l.sort(key=lambda t: int(t[0]), reverse=reverse)
# ^^^^^^^^^^^^^^^^^^^^^^^
for index, (val, k) in enumerate(l):
tv.move(k, '', index)
tv.heading(col,
command=lambda: treeview_sort_column(tv, col, not reverse))
root = Tk()
columns = ('number',)
treeview = ttk.Treeview(root, columns=columns, show='headings')
for t in ('1', '10', '11', '2', '3'):
treeview.insert('', END, values=(t,))
treeview.pack()
for col in columns:
treeview.heading(col, text=col,
command=lambda: treeview_sort_column(treeview, col, False))
mainloop()
我知道这会很简单。谢谢! – rhowe