python3+PyQt5 自定义窗口部件--子类化内置窗口部件

最新推荐文章于 2025-04-02 00:41:54 发布

basisworker

最新推荐文章于 2025-04-02 00:41:54 发布

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分类专栏： PyQt5 python 文章标签： python pyqt

本文链接：https://blog.youkuaiyun.com/xiaoyangyang20/article/details/55253329

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python3+PyQt5实现自定义罗马数字的微调框。

#!/usr/bin/env python3

import re
import sys
from PyQt5.QtCore import QRegExp, Qt
from PyQt5.QtWidgets import (QApplication, QSpinBox)
from PyQt5.QtGui import QRegExpValidator


def romanFromInt(integer):
    """
    Code taken from Raymond Hettinger's code in Victor Yang's "Decimal
    to Roman Numerals" recipe in the Python Cookbook.

    >>> r = [romanFromInt(x) for x in range(1, 4000)]
    >>> i = [intFromRoman(x) for x in r]
    >>> i == [x for x in range(1, 4000)]
    True
    """
    coding = zip(
        [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1],
        ["M", "CM", "D",