<p>试试这个代码,你会从这里找到你的解决方案。
当你按下按钮时,线程将启动并从0-100向进度条发送int数据</p>
<pre><code>from PyQt5.QtWidgets import QMainWindow,QWidget,QApplication,QVBoxLayout,QPushButton,QProgressBar
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import Qt,QThread,pyqtSignal
import time
import sys
class THREAD(QThread): # QThread is use for parallal execution
EMIT=pyqtSignal(int)
def run(self):
count=0
while count<=100:
count+=1
self.EMIT.emit(count)
time.sleep(0.1)
class Window(QMainWindow):
def __init__(self):
super().__init__()
self.ICON="icon.jpg"
self.TITLE="ROBO Science LAB"
self.TOP = 100
self.LEFT = 100
self.WIDTH = 700
self.HEIGHT = 500
self.InitWindow()
self.setCentralWidget(ComponentManagement())
self.show()
def InitWindow(self):
self.setWindowIcon(QIcon(self.ICON))
self.setWindowTitle(self.TITLE)
self.setGeometry(self.TOP,self.LEFT,self.WIDTH,self.HEIGHT)
class ComponentManagement(QWidget):
def __init__(self):
super().__init__()
self.UIcomponent()
def UIcomponent(self):
vbox = QVBoxLayout()
self.progress1 = QProgressBar()
BUTTON = QPushButton("Click to start progress")
BUTTON.setStyleSheet("background:#E67E22")
BUTTON.clicked.connect(self.StartProgressBar)
vbox.addWidget(self.progress1)
vbox.addWidget(BUTTON)
self.setLayout(vbox)
def SetProgressValue(self, val):
self.progress1.setValue(val)
def StartProgressBar(self):
self.ThredObject = THREAD()
self.ThredObject.EMIT.connect(self.SetProgressValue)
self.ThredObject.start()
if __name__=="__main__":
App=QApplication(sys.argv)
window=Window()
sys.exit(App.exec())
</code></pre>