我正在 pyqt 中为我的聊天机器人制作 Gui，但我在这方面的代码中遇到了一些问题。
def __init__(self):
super(Window, self).__init__()
self.setGeometry(50, 50, 500, 300)
self.setWindowTitle("Chatbot 0.3")
def offline_speak(chat_speech):
engine = pyttsx.init()
engine.say(chat_speech)
engine.runAndWait()
很少有事情会改变，比如def offline_speak(自我)然后在上面提到init like self.offline_speak()但我不知道引擎代码。
有人能给我建议吗？
没有必要做offline_speak()类的方法，但此任务可能非常耗时，因此它可能会阻塞 Qt 生成的主循环，因此建议在第二个线程中执行它，如我在帮助下所示QRunnable and QThreadPool
import pyttsx
from PyQt4.QtGui import *
from PyQt4.QtCore import *
class SpeechRunnable(QRunnable):
def __init__(self):
QRunnable.__init__(self)
def run(self):
self.engine = pyttsx.init()
self.engine.say(self.chat_speech)
self.engine.runAndWait()
def say(self, text):
self.chat_speech = text
QThreadPool.globalInstance().start(self)
def stop(self):
self.engine.stop()
class Window(QWidget):
def __init__(self):
super(Window, self).__init__()
self.runnable = None
self.setWindowTitle("Chatbot 0.3")
lay = QVBoxLayout(self)
self.le = QLineEdit(text, self)
self.btnStart = QPushButton("start", self)
self.btnStop = QPushButton("stop", self)
self.btnStart.clicked.connect(self.onClickedStart)
lay.addWidget(self.le)
lay.addWidget(self.btnStart)
lay.addWidget(self.btnStop)
def onClickedStart(self):
self.runnable = SpeechRunnable()
self.runnable.say(self.le.text())
self.btnStop.clicked.connect(self.runnable.stop)
def closeEvent(self, event):
if self.runnable is not None:
self.runnable.stop()
QThread.msleep(100) #delay
super(Window, self).closeEvent(event)
text = """
What is Lorem Ipsum?
Lorem Ipsum is simply dummy text of the printing and typesetting industry.
Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,
when an unknown printer took a galley of type and scrambled it to make a type specimen book.
It has survived not only five centuries, but also the leap into electronic typesetting,
remaining essentially unchanged.
It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages,
and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
"""
if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())
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