代碼如下:
#!/usr/bin/python 
#-*-coding:utf-8-*-

from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4.Qt import *

class ChangeSkinWidget(QWidget):
 def __init__(self,parent = None):
  super(ChangeSkinWidget,self).__init__(parent)
  self.setFixedSize(140, 160)
  self.mouse_press = False
  self.mouse_enter = False
  #self.pixmap = QPixmap()
  self.pixmap_name = ""

  self.skin_label =  QLabel() #顯示皮膚
  self.skin_name_label =  QLabel() #顯示皮膚名稱
  self.download_count_label =  QLabel() #顯示下載次數
  self.use_skin_button =  QPushButton() #使用此皮膚按鈕
  self.setCursor(Qt.PointingHandCursor)

  self.use_skin_button.setStyleSheet("border-radius:3px border:1px solid rgb(180, 190, 200) color:rgb(70, 70, 70) background:transparent")
  self.skin_label.setScaledContents(True)
  self.skin_label.setFixedSize(100, 65)
  self.use_skin_button.setFixedSize(85, 25)

  self.background_layout =  QVBoxLayout()
  self.background_layout.addWidget(self.skin_label, 0, Qt.AlignCenter)
  self.background_layout.addWidget(self.skin_name_label, 0, Qt.AlignCenter)
  self.background_layout.addWidget(self.download_count_label, 0, Qt.AlignCenter)
  self.background_layout.addWidget(self.use_skin_button, 0, Qt.AlignCenter)
  self.background_layout.setSpacing(5)
  self.background_layout.setContentsMargins(0, 10, 0, 10)

  self.setLayout(self.background_layout)
  self.skin.connect(self.changeSkin)

  self.translateLanguage()

 skin = pyqtSignal()

 def changeSkin(self, pixmap_name,  skin_name,  download_count):
  self.background_name = pixmap_name + "_big.png"
  self.pixmap_name = self.background_name

 #更改皮膚背景
  #self.pixmap()
  self.skin_label.setPixmap(QPixmap(self.background_name))

 #更改皮膚名稱
  self.skin_name_label.setText(skin_name)

 #更改下載次數
  self.download_count_label.setText(u"download count:" + download_count)

 def translateLanguage(self):
  self.use_skin_button.setText(u"use skin")

 def paintEvent(self,event):
  if(self.mouse_enter):
   #繪制邊框
   painter = QPainter(self)
   pen = QPen(QColor(210, 225, 230))
   painter.setPen(pen)
   painter.drawRoundRect(0,0,self.width()-1, self.height()-1, 5, 5)

 def mousePressEvent(self,event):
  #只能是鼠標左鍵移動和改變大小
  if(event.button() == Qt.LeftButton):
   self.mouse_press = True