课本实例

1.13章实例01 球

import sys
import pygame

pygame.init()
size=width,height=640,480
screen=pygame.display.set_mode(size)
color=(0,0,0)

ball=pygame.image.load("ball.jpg")
ballrect=ball.get_rect()

speed=[5,5]
clock=pygame.time.Clock()
while True:
    clock.tick(60)
    for event in pygame.event.get():
        if event.type==pygame.QUIT:
            pygame.quit()
            sys.exit()

    ballrect=ballrect.move(speed)
    if ballrect.left <0 or ballrect.right>width:
        speed[0]=-speed[0]
    if ballrect.top <0 or ballrect.bottom >height:
        speed[1]=-speed[1]
        
    screen.fill(color)
    screen.blit(ball,ballrect)
    pygame.display.flip()

 

2.12章实例04

# -*- coding:utf-8 -*-
import wx

class MyFrame(wx.Frame):
    def __init__(self, parent, id):
        wx.Frame.__init__(self, parent, id, '用户登录', size=(400, 300))
        # 创建面板
        panel = wx.Panel(self)

        # 创建“确定”和“取消”按钮,并绑定事件
        self.bt_confirm = wx.Button(panel, label='确定')
        self.bt_cancel = wx.Button(panel, label='取消')
        # 创建文本，左对齐        
        self.title = wx.StaticText(panel, label="请输入用户名和密码")
        self.label_user = wx.StaticText(panel, label="用户名:")
        self.text_user = wx.TextCtrl(panel, style=wx.TE_LEFT)
        self.label_pwd = wx.StaticText(panel, label="密   码:")
        self.text_password = wx.TextCtrl(panel, style=wx.TE_PASSWORD)
        # 添加容器，容器中控件按横向并排排列
        hsizer_user = wx.BoxSizer(wx.HORIZONTAL)
        hsizer_user.Add(self.label_user, proportion=0, flag=wx.ALL, border=5)
        hsizer_user.Add(self.text_user, proportion=1, flag=wx.ALL, border=5)
        hsizer_pwd = wx.BoxSizer(wx.HORIZONTAL)
        hsizer_pwd.Add(self.label_pwd, proportion=0, flag=wx.ALL, border=5)
        hsizer_pwd.Add(self.text_password, proportion=1, flag=wx.ALL, border=5)
        hsizer_button = wx.BoxSizer(wx.HORIZONTAL)
        hsizer_button.Add(self.bt_confirm, proportion=0, flag=wx.ALIGN_CENTER, border=5)
        hsizer_button.Add(self.bt_cancel, proportion=0, flag=wx.ALIGN_CENTER, border=5)
        # 添加容器，容器中控件按纵向并排排列
        vsizer_all = wx.BoxSizer(wx.VERTICAL)
        vsizer_all.Add(self.title, proportion=0, flag=wx.BOTTOM | wx.TOP | wx.ALIGN_CENTER,
                        border=15)
        vsizer_all.Add(hsizer_user, proportion=0, flag=wx.EXPAND | wx.LEFT | wx.RIGHT, border=45)
        vsizer_all.Add(hsizer_pwd, proportion=0, flag=wx.EXPAND | wx.LEFT | wx.RIGHT, border=45)
        vsizer_all.Add(hsizer_button, proportion=0, flag=wx.ALIGN_CENTER | wx.TOP, border=15)
        panel.SetSizer(vsizer_all)

if __name__ == '__main__':
    app = wx.App()                      # 初始化
    frame = MyFrame(parent=None,id=-1)  # 实例MyFrame类，并传递参数    
    frame.Show()                        # 显示窗口
    app.MainLoop()                      # 调用主循环方法