-- 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()