import tkinter
from tkinter import ttk
root = tkinter.Tk()
tree = ttk.Treeview(root, show="headings", columns=('col1','col2','col3'))
tree.heading('col1', text='第一列')
tree.heading('col2', text='第二列')
tree.heading('col3', text='第三列')
tree.column('col1', width=100, anchor='center')
tree.column('col2', width=100, anchor='center')
tree.column('col3', width=100, anchor='center')
def onDBClick(event):
item = tree.selection()[0]
print ("you clicked on "), tree.item(item, "values")
for i in range(10):
tree.insert('',i,values=('a'+str(i),'b'+str(i),'c'+str(i)))
tree.bind("<Double-1>", onDBClick)
tree.pack()
root.mainloop()