PyQt 未响应

参考链接：

http://110.41.41.135/pyqt5.php

原来：

import sys
from PyQt5.QtWidgets import QApplication"""
程序启动入口
"""
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QWidget, QPushButton, QRadioButton, QCheckBox, QLabel, QLineEdit, QPlainTextEdit
from PyQt5.uic import loadUi"""
主窗口
"""
import timeclass HelloWorld:def __init__(self):self.name = ''def say(self):time.sleep(10)return 'Hello world, %s' % self.nameclass HomeWindow:def __init__(self):# 加载ui文件创建ui对象self.window = loadUi('ui/home.ui')self.window: QWidget# 显示该窗口对象self.window.show()# 按钮，事件监听 绑定方法self.window.pushButton: QPushButtonself.window.pushButton.clicked.connect(self.pushButton_clicked)def pushButton_clicked(self):# 读取文本框内容self.window.lineEdit: QLineEdits = self.window.lineEdit.text()# 创建任务对象helloWorld = HelloWorld()helloWorld.name = s# 输出self.window.plainTextEdit: QPlainTextEditself.window.plainTextEdit.setPlainText(helloWorld.say())if __name__ == "__main__":app = QApplication([])# 启动主窗口w = HomeWindow()sys.exit(app.exec_())

加入线程后：

from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QWidget, QPushButton, QRadioButton, QCheckBox, QLabel, QLineEdit, QPlainTextEdit
from PyQt5.uic import loadUifrom base_api.HelloWorldClass import HelloWorldfrom PyQt5.QtCore import QThread
import time
"""
主窗口
"""class HomeWindow:def __init__(self):# 加载ui文件创建ui对象self.window = loadUi('ui/home.ui')self.window: QWidget# 显示该窗口对象self.window.show()# 按钮，事件监听 绑定方法self.window.pushButton: QPushButtonself.window.pushButton.clicked.connect(self.pushButton_clicked)# 线程对象self.t = Nonedef pushButton_clicked(self):# 读取文本框内容# self.window.lineEdit: QLineEdit# s = self.window.lineEdit.text()# # 创建任务对象# helloWorld = HelloWorld()# helloWorld.name = s# # 输出# self.window.plainTextEdit: QPlainTextEdit# self.window.plainTextEdit.setPlainText(helloWorld.say())if self.t is None:# 读取文本框内容self.window.lineEdit: QLineEdits = self.window.lineEdit.text()# 创建线程对象self.t = ThreadTask()self.t.name = sself.t.output_access = self.output# 开始线程self.t.start()def output(self, s: str):self.window.plainTextEdit: QPlainTextEditself.window.plainTextEdit.setPlainText(s)# self.window.plainTextEdit.appendPlainText(s)# 线程结束self.t = Noneclass ThreadTask(QThread):def __init__(self):super().__init__()self.name = ''self.output_access = Nonedef run(self):if self.output_access is not None:time.sleep(5)self.output_access('Hello world, %s' % self.name)