擅长:python、mysql、java
<p>线程类:</p>
<pre><code>from PyQt5 import QtCore, QtGui, QtWidgets, QtPrintSupport,QtWebEngineWidgets
from PyQt5.QtWidgets import QDialog,QWidget,QApplication, QInputDialog, QLineEdit, QFileDialog,QProgressDialog, QMainWindow, QFrame,QSplashScreen
from PyQt5.QtCore import QThread , pyqtSignal,Qt
from PyQt5.QtGui import QIcon,QPainter,QPixmap
class threaded_class(QThread):
signal_to_send_at_progress_bar = pyqtSignal()
def __init__(self,parent=None):
QThread.__init__(self, parent=parent)
def run(self):
while self.isRunning:
##do the stuf you want here and when you want to change the progress bar
self.signal_to_send_at_progress_bar.emit()
</code></pre>
<p>在主窗口中:</p>
^{pr2}$
<p>也可以用信号发出字符串和数字。在</p>