前言

本文给大家分享的是如何通过利用Python制作桌面宠物，废话不多直接开整~

开发工具

Python版本： 3.6

相关模块：

random模块

os模块

cfg模块

sys模块

PyQt5模块

环境搭建

安装Python并添加到环境变量，pip安装需要的相关模块即可。

文中图片素材实战教程，评论留言获取。

桌面宠物的图片素材

代码实现

import os
import cfg
import sys
import random
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5 import QtWidgets, QtGui
		#桌面宠物
class DesktopPet(QWidget):
	def __init__(self, parent=None, **kwargs):
		super(DesktopPet, self).__init__(parent)
		# 初始化
		self.setWindowFlags(Qt.FramelessWindowHint|Qt.WindowStaysOnTopHint|Qt.SubWindow)
		self.setAutoFillBackground(False)
		self.setAttribute(Qt.WA_TranslucentBackground, True)
		self.repaint()
		# 随机导入一个宠物
		self.pet_images, iconpath = self.randomLoadPetImages()
		# 设置退出选项
		quit_action = QAction('退出', self, triggered=self.quit)
		quit_action.setIcon(QIcon(iconpath))
		self.tray_icon_menu = QMenu(self)
		self.tray_icon_menu.addAction(quit_action)
		self.tray_icon = QSystemTrayIcon(self)
		self.tray_icon.setIcon(QIcon(iconpath))
		self.tray_icon.setContextMenu(self.tray_icon_menu)
		self.tray_icon.show()
		# 当前显示的图片
		self.image = QLabel(self)
		self.setImage(self.pet_images[0][0])
		# 是否跟随鼠标
		self.is_follow_mouse = False
		# 宠物拖拽时避免鼠标直接跳到左上角
		self.mouse_drag_pos = self.pos()
		# 显示
		self.resize(128, 128)
		self.randomPosition()
		self.show()
		# 宠物动画动作执行所需的一些变量
		self.is_running_action = False
		self.action_images = []
		self.action_pointer = 0
		self.action_max_len = 0
		# 每隔一段时间做个动作
		self.timer = QTimer()
		self.timer.timeout.connect(self.randomAct)
		self.timer.start(500)
	#随机做一个动作
	def randomAct(self):
		if not self.is_running_action:
			self.is_running_action = True
			self.action_images = random.choice(self.pet_images)
			self.action_max_len = len(self.action_images)
			self.action_pointer = 0
		self.runFrame()
	#完成动作的每一帧'''
	def runFrame(self):
		if self.action_pointer == self.action_max_len:
			self.is_running_action = False
			self.action_pointer = 0
			self.action_max_len = 0
		self.setImage(self.action_images[self.action_pointer])
		self.action_pointer += 1

剩余代码

#设置当前显示的图片
	def setImage(self, image):
		self.image.setPixmap(QPixmap.fromImage(image))
	#随机导入一个桌面宠物的所有图片
	def randomLoadPetImages(self):
		pet_name = random.choice(list(cfg.PET_ACTIONS_MAP.keys()))
		actions = cfg.PET_ACTIONS_MAP[pet_name]
		pet_images = []
		for action in actions:
			pet_images.append([self.loadImage(os.path.join(cfg.ROOT_DIR, pet_name, 'shime'+item+'.png')) for item in action])
		iconpath = os.path.join(cfg.ROOT_DIR, pet_name, 'shime1.png')
		return pet_images, iconpath
	#鼠标左键按下时, 宠物将和鼠标位置绑定
	def mousePressEvent(self, event):
		if event.button() == Qt.LeftButton:
			self.is_follow_mouse = True
			self.mouse_drag_pos = event.globalPos() - self.pos()
			event.accept()
			self.setCursor(QCursor(Qt.OpenHandCursor))
	#鼠标移动, 则宠物也移动
	def mouseMoveEvent(self, event):
		if Qt.LeftButton and self.is_follow_mouse:
			self.move(event.globalPos() - self.mouse_drag_pos)
			event.accept()
	#鼠标释放时, 取消绑定
	def mouseReleaseEvent(self, event):
		self.is_follow_mouse = False
		self.setCursor(QCursor(Qt.ArrowCursor))
	#导入图像
	def loadImage(self, im