-- coding: utf-8 --
"""
【简介】
内置信号槽示例
"""
from PyQt5.QtCore import QObject, pyqtSignal
信号对象
class QTypeSignal(QObject):
# 定义一个信号
sendmsg = pyqtSignal(object)
def __init__(self):
super(QTypeSignal, self).__init__()
def run(self):
# 发射信号
self.sendmsg.emit('Hello Pyqt5')
槽对象
class QTypeSlot(QObject):
def init(self):
super(QTypeSlot, self).init()
# 槽对象里的槽函数
def get(self, msg):
print("QSlot get msg => " + msg)
if name == 'main':
send = QTypeSignal()
slot = QTypeSlot()
# 1
print('--- 把信号绑定到槽函数 ---')
send.sendmsg.connect(slot.get)
send.run()
# 2
print('--- 把信号断开槽函数 ---')
send.sendmsg.disconnect(slot.get)
send.run()
-- coding: utf-8 --
from PyQt5.QtCore import QObject , pyqtSignal
信号对象
class QTypeSignal(QObject):
#定义一个信号
sendmsg = pyqtSignal( str,str)
def __init__( self):
super( QTypeSignal, self).__init__()
def run( self):
# 发射信号
self.sendmsg.emit('第一个参数','第二个参数')
槽对象
class QTypeSlot(QObject):
def init( self):
super( QTypeSlot, self).init()
# 槽对象里的槽函数
def get(self, msg1, msg2):
print("QSlot get msg => " + msg1 + ' ' + msg2)
if name == 'main':
send = QTypeSignal()
slot = QTypeSlot()
1
print('--- 把信号绑定到槽函数 ---')
send.sendmsg.connect( slot.get)
send.run()
#2
print('--- 把信号断开槽函数 ---')
send.sendmsg.disconnect( slot.get )
send.run()
