淡入淡出

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

@@ -38,6 +38,7 @@ encoding//\u4EFFQQ\u8BBE\u7F6E\u9762\u677F/SettingUi.py=utf-8
 encoding//\u4EFFQQ\u8BBE\u7F6E\u9762\u677F/Window.py=utf-8
 encoding//\u5168\u5C40\u70ED\u952E/HotKey.py=utf-8
 encoding//\u5206\u5272\u7A97\u53E3\u7684\u5206\u5272\u6761\u91CD\u5199/Splitter.py=utf-8
+encoding//\u52A8\u753B\u7279\u6548/\u6DE1\u5165\u6DE1\u51FA.py=utf-8
 encoding//\u53F3\u4E0B\u89D2\u5F39\u51FA\u6846/WindowNotify.py=utf-8
 encoding//\u56FE\u7247\u52A0\u8F7D/LoadImage.py=utf-8
 encoding//\u56FE\u7247\u52A0\u8F7D/res_rc.py=utf-8

README.md

@@ -65,6 +65,9 @@
  - [4.9 水波纹进度条](界面美化/水波纹进度条)
  - [4.10 QSlider美化](界面美化/QSlider美化)
 
+### [5.动画特效](动画特效/)
+ - [5.1 淡入淡出](动画特效/淡入淡出.py)
+
 # QQ群
  - [PyQt & PySide](https://jq.qq.com/?_wv=1027&k=50LWvn9)
  - [PyQt学习互助](https://jq.qq.com/?_wv=1027&k=5QVVEdF)

动画特效/README.md

@@ -0,0 +1,7 @@
+# 简单的动画特效
+
+使用QPropertyAnimation属性类动画（支持的属性有限）
+
+### 常见例子
+ - [1.1 淡入淡出](淡入淡出.py)<br/>
+   ![截图](ScreenShot/1.gif)

动画特效/淡入淡出.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from PyQt5.QtCore import QPropertyAnimation
+from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton
+
+
+# Created on 2018年6月14日
+# author: Irony
+# site: https://github.com/892768447
+# email: 892768447@qq.com
+# file: 动画特效.淡入淡出
+# description:
+__Author__ = """By: Irony
+QQ: 892768447
+Email: 892768447@qq.com"""
+__Copyright__ = 'Copyright (c) 2018 Irony'
+__Version__ = 1.0
+
+
+class Window(QWidget):
+
+    def __init__(self, *args, **kwargs):
+        super(Window, self).__init__(*args, **kwargs)
+        self.resize(400, 400)
+        layout = QVBoxLayout(self)
+        layout.addWidget(QPushButton('退出', self, clicked=self.doClose))
+
+        # 窗口透明度动画类
+        self.animation = QPropertyAnimation(self, b'windowOpacity')
+        self.animation.setDuration(1000)  # 持续时间1秒
+
+        # 执行淡入
+        self.doShow()
+
+    def doShow(self):
+        try:
+            self.animation.finished.disconnect(self.close)
+        except:
+            pass
+        self.animation.stop()
+        # 透明度范围从0逐渐增加到1
+        self.animation.setStartValue(0)
+        self.animation.setEndValue(1)
+        self.animation.start()
+
+    def doClose(self):
+        self.animation.stop()
+        self.animation.finished.connect(self.close)  # 动画完成则关闭窗口
+        # 透明度范围从1逐渐减少到0
+        self.animation.setStartValue(1)
+        self.animation.setEndValue(0)
+        self.animation.start()
+
+
+if __name__ == '__main__':
+    import sys
+    from PyQt5.QtWidgets import QApplication
+    app = QApplication(sys.argv)
+    w = Window()
+    w.show()
+    sys.exit(app.exec_())