一、判断输入的数字是正数、零、还是负数
1、PyQt设计界面:
2、对象命名:
3、源程序:
# 系统包
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
# 项目包
from Ui_MainWindow import Ui_MainWindow
class CMainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self, parent = None):
super(CMainWindow, self).__init__(parent)
self.setupUi(self