线程休眠唤醒

.settings/org.eclipse.core.resources.prefs

@@ -65,6 +65,8 @@ encoding//\u56FE\u8868/PyQtChart/demo/LineChart\u81EA\u5B9A\u4E49xy\u8F74.py=utf
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 encoding//\u56FE\u8868/PyQtChart/demo/ToolTip2.py=utf-8
 encoding//\u591A\u7EBF\u7A0B/moveToThread.py=utf-8
+encoding//\u591A\u7EBF\u7A0B/\u7EBF\u7A0B\u4F11\u7720\u5524\u9192.py=utf-8
+encoding//\u591A\u7EBF\u7A0B/\u7EBF\u7A0B\u6302\u8D77\u6062\u590D.py=utf-8
 encoding//\u591A\u7EBF\u7A0B/\u7EE7\u627FQThread.py=utf-8
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README.md

@@ -92,6 +92,7 @@ https://pyqt5.com 社区是专门针对PyQt5学习和提升开设的博客网站
 ## [多线程](多线程)
 
 1. [线程挂起恢复](多线程/线程挂起恢复.py)
+1. [线程休眠唤醒](多线程/线程休眠唤醒.py)
 1. [继承QThread](多线程/继承QThread.py)
 1. [moveToThread](多线程/moveToThread.py)
 

多线程/README.md

@@ -16,4 +16,10 @@ PyQt多线程的简单使用例子
 
 `ctypes.windll.kernel32.TerminateThread`终止线程，不推荐
 
-![截图](ScreenShot/线程挂起恢复.gif)
+![截图](ScreenShot/线程挂起恢复.gif)
+
+## [4、线程休眠唤醒](线程休眠唤醒.py)
+
+使用`QWaitCondition`的wait和wakeAll方法
+
+![截图](ScreenShot/线程休眠唤醒.gif)

多线程/线程休眠唤醒.py

@@ -0,0 +1,83 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Created on 2018年11月11日
+@author: Irony
+@site: https://pyqt5.com, https://github.com/892768447
+@email: 892768447@qq.com
+@file: 
+@description: 
+"""
+from PyQt5.QtCore import QThread, QWaitCondition, QMutex, pyqtSignal
+from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton, QProgressBar
+
+
+__Author__ = """By: Irony
+QQ: 892768447
+Email: 892768447@qq.com"""
+__Copyright__ = 'Copyright (c) 2018 Irony'
+__Version__ = 1.0
+
+
+class Thread(QThread):
+
+    valueChange = pyqtSignal(int)
+
+    def __init__(self, *args, **kwargs):
+        super(Thread, self).__init__(*args, **kwargs)
+        self._isPause = False
+        self._value = 0
+        self.cond = QWaitCondition()
+        self.mutex = QMutex()
+
+    def pause(self):
+        self._isPause = True
+
+    def resume(self):
+        self._isPause = False
+        self.cond.wakeAll()
+
+    def run(self):
+        while 1:
+            self.mutex.lock()
+            if self._isPause:
+                self.cond.wait(self.mutex)
+            if self._value > 100:
+                self._value = 0
+            self._value += 1
+            self.valueChange.emit(self._value)
+            self.msleep(100)
+            self.mutex.unlock()
+
+
+class Window(QWidget):
+
+    def __init__(self, *args, **kwargs):
+        super(Window, self).__init__(*args, **kwargs)
+        layout = QVBoxLayout(self)
+        self.progressBar = QProgressBar(self)
+        layout.addWidget(self.progressBar)
+        layout.addWidget(QPushButton('休眠', self, clicked=self.doWait))
+        layout.addWidget(QPushButton('唤醒', self, clicked=self.doWake))
+
+        self.t = Thread(self)
+        self.t.valueChange.connect(self.progressBar.setValue)
+        self.t.start()
+
+    def doWait(self):
+        self.t.pause()
+
+    def doWake(self):
+        self.t.resume()
+
+
+if __name__ == '__main__':
+    import sys
+    import cgitb
+    sys.excepthook = cgitb.enable(1, None, 5, '')
+    from PyQt5.QtWidgets import QApplication
+    app = QApplication(sys.argv)
+    w = Window()
+    w.show()
+    sys.exit(app.exec_())