''' 【简介】
对话框关闭时返回值给主窗口 例子
'''
from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import * import sys
class DateDialog(QDialog): def init(self, parent=None): super(DateDialog, self).init(parent) self.setWindowTitle('DateDialog')
# 在布局中添加部件
layout = QVBoxLayout(self)
self.datetime = QDateTimeEdit(self)
self.datetime.setCalendarPopup(True)
self.datetime.setDateTime(QDateTime.currentDateTime())
layout.addWidget(self.datetime)
# 使用两个button(ok和cancel)分别连接accept()和reject()槽函数
buttons = QDialogButtonBox(
QDialogButtonBox.Ok | QDialogButtonBox.Cancel,
Qt.Horizontal, self)
buttons.accepted.connect(self.accept)
buttons.rejected.connect(self.reject)
layout.addWidget(buttons)
# 从对话框中获取当前日期和时间
def dateTime(self):
return self.datetime.dateTime()
# 静态方法创建对话框并返回 (date, time, accepted)
@staticmethod
def getDateTime(parent=None):
dialog = DateDialog(parent)
result = dialog.exec_()
date = dialog.dateTime()
return (date.date(), date.time(), result == QDialog.Accepted)
''' 【简介】 对话框关闭时返回值给主窗口例子
'''
class WinForm(QWidget): def init(self, parent=None): super(WinForm, self).init(parent) self.resize(400, 90) self.setWindowTitle('对话框关闭时返回值给主窗口例子')
self.lineEdit = QLineEdit(self)
self.button1 = QPushButton('弹出对话框1')
self.button1.clicked.connect(self.onButton1Click)
self.button2 = QPushButton('弹出对话框2')
self.button2.clicked.connect(self.onButton2Click)
gridLayout = QGridLayout()
gridLayout.addWidget(self.lineEdit)
gridLayout.addWidget(self.button1)
gridLayout.addWidget(self.button2)
self.setLayout(gridLayout)
def onButton1Click(self):
dialog = DateDialog(self)
result = dialog.exec_()
date = dialog.dateTime()
self.lineEdit.setText(date.date().toString())
print('\n日期对话框的返回值')
print('date=%s' % str(date.date()))
print('time=%s' % str(date.time()))
print('result=%s' % result)
dialog.destroy()
def onButton2Click(self):
date, time, result = DateDialog.getDateTime()
self.lineEdit.setText(date.toString())
print('\n日期对话框的返回值')
print('date=%s' % str(date))
print('time=%s' % str(time))
print('result=%s' % result)
if result == QDialog.Accepted:
print('点击确认按钮')
else:
print('点击取消按钮')
if name == "main": app = QApplication(sys.argv) form = WinForm() form.show() sys.exit(app.exec_())