ttk.Treeview根据单元格值设置单元格背景颜色

import tkinter as tk
from tkinter import ttk

def set_cell_background(tree, cell, value):
    if value == "A":
        tree.tag_configure("cell_a", background="red")
        tree.tag_bind("cell_a", "<<TreeviewSelect>>", lambda event: print("Cell A selected"))
        tree.item(cell, tags=("cell_a",))
    elif value == "B":
        tree.tag_configure("cell_b", background="blue")
        tree.tag_bind("cell_b", "<<TreeviewSelect>>", lambda event: print("Cell B selected"))
        tree.item(cell, tags=("cell_b",))
    else:
        tree.item(cell, tags=())

root = tk.Tk()

tree = ttk.Treeview(root, columns=("column1", "column2"))
tree.heading("#0", text="Item")
tree.heading("column1", text="Column 1")
tree.heading("column2", text="Column 2")
tree.column("#0", width=100)
tree.column("column1", width=100)
tree.column("column2", width=100)

item1 = tree.insert("", "end", text="Item 1")
cell1 = tree.set(item1, "column1", "A")
cell2 = tree.set(item1, "column2", "B")
set_cell_background(tree, cell1, "A")
set_cell_background(tree, cell2, "B")

tree.pack()

root.mainloop()