Python PyQt5 多執行緒

2021-09-20 10:20:34 字數 1906 閱讀 2606

# -*- coding: utf-8 -*-

from pyqt5.qtcore import qthread, pyqtsignal

import sys

class workthread(qthread):

sinout = pyqtsignal(str)

def __init__(self, obj):

super(workthread, self).__init__()

self.obj = obj

def run(self):

if self.obj == "1":

self.run_obj1()

elif self.obj == "2":

self.run_obj2()

else:

pass

def run_obj1(self):

for i in range(5):

self.sinout.emit("這是obj1第%s次" % i)

self.sleep(1)

def run_obj2(self):

for i in range(5):

self.sinout.emit("這是obj2第%s次" % i)

self.sleep(2)

class guiwindow(qwidget):

def __init__(self, parent=none):

super(guiwindow, self).__init__(parent=parent)

self.resize(500, 500)

self.btn1 = qpushbutton(self)

self.btn1.settext("1開始工作")

self.btn1.pressed.connect(self.start_work1)

self.btn1.move(100, 100)

self.btn2 = qpushbutton(self)

self.btn2.settext("2開始工作")

self.btn2.pressed.connect(self.start_work2)

self.btn2.move(200, 200)

self.thread1 = none

self.thread2 = none

def start_work1(self):

self.thread1 = workthread(obj="1") # 必須作為類例項的乙個屬性,如果去掉self的話,會報錯

self.thread1.sinout.connect(self.show_log1)

print("thread1 id:", id(self.thread1)) # 每執行一次,建立乙個子執行緒物件,互不影響

self.thread1.start()

def start_work2(self):

self.thread2 = workthread(obj="2") # 必須作為類例項的乙個屬性,如果去掉self的話,會報錯

self.thread2.sinout.connect(self.show_log2)

print("thread2 id:", id(self.thread2)) # 每執行一次,建立乙個子執行緒物件,互不影響

self.thread2.start()

def show_log1(self, content):

print("content1:", content)

def show_log2(self, content):

print("content2:", content)

if __name__ == '__main__':

w = guiwindow()

w.show()

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