会员可以在此提问,百战程序员老师有问必答
对大家有帮助的问答会被标记为“推荐”
看完课程过来浏览一下别人提的问题,会帮你学得更全面
截止目前,同学们一共提了 132464个问题

老师你好 我也出现类似的问题,敌方坦克都出现在左上角,看了好几百呢,没发现代码的问题。

'''新增功能:添加事件:
1.加载、创建、展示敌方坦克
pygame官方网站:www.pygame.org'''
import pygame
import time
import random
SCREEN_WIDTH = 700
SCREEN_HEIGHT = 500
BG_COLOR = pygame.Color(0,0,0)
TEXT_COLOR = pygame.Color(255,0,0)
class MainGame():
    window = None
    my_tank = None
    #创建存储敌方坦克的列表
    enemyTankList = []
    #创建存储敌方坦克的数量
    enemyTankCount = 5
    def __init__(self):
        pass
    #开始游戏
    def startGame(self):
        #加载主窗口
        #初始化窗口
        pygame.init()
        #设置窗口的大小及显示
        MainGame.window = pygame.display.set_mode((SCREEN_WIDTH,SCREEN_HEIGHT))
        #初始化我方坦克
        MainGame.my_tank = Tank(350,350)
        #初始化敌方坦克,并将敌方坦克添加到列表
        self.creatEnemyTank()
        #设置窗口的标题
        pygame.display.set_caption('坦克大战1.03')
        while True:
            #使坦克移动的速度慢一点
            time.sleep(0.05)
            #给窗口设置填充色
            MainGame.window.fill(BG_COLOR)
            self.getEvent()     #获取事件
            MainGame.window.blit(self.getTextSurface('敌方剩余坦克数量:%d'%6),(10,10))
            #调用坦克显示的方法
            MainGame.my_tank.displayTank()
            #循环遍历敌方坦克列表,展示敌方坦克
            self.blitEnemyTank()
            #调用移动方法
            #如果坦克的开关开启,才可以移动
            if not MainGame.my_tank.stop:
                MainGame.my_tank.move()
            pygame.display.update()
    def creatEnemyTank(self):
        top = 100
        #循环生成敌方坦克
        for i in range(MainGame.enemyTankCount):
            left = random.randint(0,600)
            speed = random.randint(1,4)
            enemy = EnemyTank(left,top,speed)
            MainGame.enemyTankList.append(enemy)

    def blitEnemyTank(self):
        for enemyTank in MainGame.enemyTankList:
            enemyTank.displayTank()
    #结束游戏
    def endGame(self):
        print("谢谢使用,欢迎再来")
        exit()
    #获取事件
    def getEvent(self):
        eventList = pygame.event.get()
        #遍历事件
        for event in eventList:
            if event.type == pygame.QUIT:
                self.endGame()
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    # 切换方向
                    MainGame.my_tank.direction = 'L'
                    #修改坦克的开关状态
                    MainGame.my_tank.stop = False
                elif event.key == pygame.K_RIGHT:
                    MainGame.my_tank.direction = 'R'
                    MainGame.my_tank.stop = False
                elif event.key == pygame.K_UP:
                    # 切换方向
                    MainGame.my_tank.direction = 'U'
                    MainGame.my_tank.stop = False
                elif event.key == pygame.K_DOWN:
                    MainGame.my_tank.direction = 'D'
                    MainGame.my_tank.stop = False
                elif event.key == pygame.K_SPACE:
                    print("发生")
            if event.type == pygame.KEYUP:
                #判断松开的键是方向键,才停止坦克移动
                if event.key == pygame. K_UP or event.key == pygame. K_DOWN \
                        or event.key == pygame. K_LEFT or event.key == pygame.K_RIGHT:
                    MainGame.my_tank.stop = True

    #左上角文字的绘制
    def getTextSurface(self,text):
        pygame.font.init()
        #查看所有字体名称
        #print(pygame.font.get_fonts())
        #获取字体font对象
        font = pygame.font.SysFont('kaiti',18)
        #绘制文字信息
        return font.render(text,True,TEXT_COLOR)
class Tank():
    #添加距离左边left,距离上边top
    def __init__(self,left,top):
        self.images = {'U': pygame.image.load('img/上.gif'),
                       'D': pygame.image.load('img/下.gif'),
                       'L': pygame.image.load('img/左.gif'),
                       'R': pygame.image.load('img/右.gif')}
        #方向
        self.direction='U'
        #根据方向获取图片
        self.image = self.images[self.direction]
        #根据图片获取区域
        self.rect = self.image.get_rect()
        #设置区域的left和top
        self.rect.left = left
        self.rect.top = top
        #速度决定移动的快慢
        self.speed=10
        #坦克移动的开关
        self.stop = True
    #移动
    def move(self):
        #判断坦克的方向来进行移动
        if self.direction == 'L':
            if self.rect.left > 0:
                self.rect.left -= self.speed
        elif self.direction == 'U':
            if self.rect.top > 0:
                self.rect.top -= self.speed
        elif self.direction == 'D':
            if self.rect.top + self.rect.height < SCREEN_HEIGHT:
                self.rect.top += self.speed
        elif self.direction == 'R':
            if self.rect.left + self.rect.height < SCREEN_WIDTH:
                self.rect.left += self.speed
    #射击
    def shot(self):
        pass
    #展示坦克的方法
    def displayTank(self):
        #获取展示的对象
        self.image = self.images[self.direction]
        #调用blit方式展示
        MainGame.window.blit(self.image,self.rect)
class MyTank(Tank):
    def __init__(self):
        pass
class EnemyTank(Tank):
    def __init__(self,left,top,speed):
        #加载图片集
        self.images = {'U':pygame.image.load('img/enemy1U.gif'),
                       'D':pygame.image.load('img/enemy1D.gif'),
                      'L':pygame.image.load('img/enemy1L.gif'),
                      'R':pygame.image.load('img/enemy1R.gif')}
        #方向,随机生成敌方坦克的方向
        self.direction=self.randDirection()
        #根据方向获取图片
        self.image = self.images[self.direction]
        #区域
        self.rect = self.image.get_rect()
        #对left、top进行赋值
        self.left = left
        self.top = top
        self.speed = speed
        self.flag = True
    def randDirection(self):
        num = random.randint(1,4)
        if num ==1:
            return 'U'
        elif num == 2:
            return 'D'
        elif num == 3:
            return 'L'
        elif num == 4:
            return 'R'

class Bullet():
    def __init__(self):
        pass
    #移动的方法
    def move(self):
        pass
    #展示子弹的方法
    def displayBullet(self):
        pass
class Wall():
    def __init__(self):
        pass
    #展示墙壁的方法
    def displayWall(self):
        pass
class Explode():
    def __init__(self):
        pass
    #展示爆炸效果的方法
    def displayExplode(self):
        pass
class Music():
    def __init__(self):
        pass
    #播放音乐的方法
    def play(self):
        pass
if __name__ == '__main__':
    MainGame().startGame()
    #MainGame().getTextSurface()


Python 全系列/第二阶段:Python 深入与提高/游戏开发-坦克大战 5266楼
JAVA 全系列/第二阶段:JAVA 基础深化和提高/反射技术(旧) 5267楼
JAVA 全系列/第二阶段:JAVA 基础深化和提高/容器(旧) 5269楼
JAVA 全系列/第二阶段:JAVA 基础深化和提高/手写服务器项目(旧) 5272楼
JAVA 全系列/第九阶段:Spring Boot实战/Spring Boot 5273楼
JAVA 全系列/第一阶段:JAVA 快速入门/飞机大战小项目训练 5274楼
Python 全系列/第一阶段:Python入门/控制语句 5275楼
JAVA 全系列/第六阶段:项目管理与SSM框架/Mybatis 5276楼

老师在def openfile之后,运行并选择打开文件后,会报这个错误是怎么回事呢?

下面两种写法都会报错

image.png

"""开发记事本软件的菜单"""

from tkinter.filedialog import *
from tkinter.colorchooser import *


class Application(Frame):

    def __init__(self, master=None):
        super().__init__(master)        # super()代表的是父类的定义,而不是父类对象
        self.master = master
        self.textpad = None             # textpad表示Text文本框对象
        self.pack()
        self.createWidget()

    def createWidget(self):
        # 创建主菜单栏
        menubar = Menu(root)

        # 创建子菜单
        menuFile = Menu(menubar)
        menuEdit = Menu(menubar)
        menuHelp = Menu(menubar)

        # 将子菜单加入主菜单栏
        menubar.add_cascade(label='文件(F)', menu=menuFile)
        menubar.add_cascade(label='编辑(E)', menu=menuEdit)
        menubar.add_cascade(label='帮助(H)', menu=menuHelp)

        # 添加菜单项
        menuFile.add_command(label='新建', accelerator='ctrl+n', command=self.test)
        menuFile.add_command(label='打开', accelerator='ctrl+o', command=self.openfile)
        menuFile.add_command(label='保存', accelerator='ctrl+s', command=self.test)
        menuFile.add_separator()  # 添加分割线
        menuFile.add_command(label='退出', accelerator='ctrl+q', command=self.test)

        # 将主菜单加到根窗口
        root['menu'] = menubar

        # 文本编辑区
        self.textpad = Text(root, width=65, height=30)
        self.textpad.pack()

        # 创建上下菜单
        self.contextMenu = Menu(root)
        self.contextMenu.add_command(label='背景颜色', command=self.test)

        # 右键绑定事件
        root.bind('<Button-3>', self.createContextMenu)

    def openfile(self):
        # self.textpad.delete("1.0", "end")  # 把text控件中所有的内容清空
        # with askopenfile(title="打开文本文件") as f:
        #     self.textpad.insert(INSERT, f.read())
        #     self.filename = f.name
        try:
            # 以utf-8编码打开
            with open(askopenfilename(), encoding='utf-8') as f:
                self.textpad.insert(INSERT. f.read())
                self.filename = f.name
                print(f.read())
        except UnicodeDecodeError:
            # 以GBK编码打开
            with open(askopenfilename()) as f:
                print(f.read())

    def test(self):
        pass

    def createContextMenu(self, event):
        self.contextMenu.post(event.x_root, event.y_root)


if __name__ == '__main__':
    root = Tk()
    root.geometry("450x300+200+300")
    root.title("百战程序员的简易记事本")
    app = Application(master=root)
    root.mainloop()


Python 全系列/第二阶段:Python 深入与提高/GUI编程(隐藏) 5277楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>小米官网</title>
    <link rel="stylesheet" href="./iconfont.css">
    <link rel="stylesheet" href="./rests.css">
    <link rel="stylesheet" href="./mi.css">
</head>
<body>
    <!-- 黑色导航开始 -->
    <div class="black-nav">
        <div class="wrap">
            <ul class="left-nav">
                <li><a href="#">小米商城</a><span>|</span></li>
                <li><a href="#">MIUI</a><span>|</span></li>
                <li><a href="#">loT</a><span>|</span></li>
                <li><a href="#">云服务</a><span>|</span></li>
                <li><a href="#">有品商城</a><span>|</span></li>
                <li><a href="#">天星科技</a><span>|</span></li>
                <li><a href="#">小爱开放平台</a><span>|</span></li>
                <li><a href="#">企业团购</a><span>|</span></li>
                <li><a href="#">资质证件</a><span>|</span></li>
                <li><a href="#">协议规则</a><span>|</span></li>
                <li>
                    <a href="#">下载APP</a>
                    <span>|</span>
                    <div class="download">
                        <img src="./image/download.png" alt="">
                        <p>小米商城App</p>
                    </div>
                    <!-- 三角形 -->
                    <div class="triangle"></div>
                </li>
                <li><a href="#">智能生活</a><span>|</span></li>
                <li><a href="#">Select</a></li>
            </ul>
            <ul class="right-nav">
                <li><a href="">登陆</a><span>|</span></li>
                <li><a href="">注册</a><span>|</span></li>
                <li><a href="">消息通知</a></li>
                <li class="cart">
                    <a href="#">
                        <i class="iconfont">&#xe70b;</i>
                        <i>购物车</i>
                    </a>
                    <div class="cart-1">还没有东西</div>
                </li>
            </ul>
        </div>
    </div>
    <!-- 黑色导航结束 -->
    <!-- 白色导航开始 -->
    <div class="withe-nav">
        <div class="wrap">
            <div class="logo">
                <img src="./image/logo-mi2.png" alt="">
            </div>
            <div class="white-left-nav">
                <ul>
                    <li>
                        <a href="#">小米手机</a>
                        <div class="item">
                            <div class="wrap">
                                <ul>
                                    <li>
                                        <a href="#">
                                           <div><img src="./image/item.webp" alt=""</div> 
                                           <p>小米pro</p>
                                           <p>5200元</p>
                                        </a>
                                    </li>
                                    <li>
                                        <a href="#">
                                           <div><img src="./image/item.webp" alt=""</div> 
                                           <p>小米pro</p>
                                           <p>5200元</p>
                                        </a>
                                    </li>
                                    <li>
                                        <a href="#">
                                           <div><img src="./image/item.webp" alt=""</div> 
                                           <p>小米pro</p>
                                           <p>5200元</p>
                                        </a>
                                    </li>
                                    <li>
                                        <a href="#">
                                           <div><img src="./image/item.webp" alt=""</div> 
                                           <p>小米pro</p>
                                           <p>5200元</p>
                                        </a>
                                    </li>
                                    <li>
                                        <a href="#">
                                           <div><img src="./image/item.webp" alt=""</div> 
                                           <p>小米pro</p>
                                           <p>5200元</p>
                                        </a>
                                    </li>
                                                                 
                                </ul>
                            </div>                          
                        </div>
                    </li>
                    <li>
                        <a href="#">红米手机</a>
                    </li>
                    <li>
                        <a href="#">电视</a>
                    </li>
                    <li>
                        <a href="#">笔记本</a>
                    </li>
                    <li>
                        <a href="#">平板</a>
                    </li>
                    <li>
                        <a href="#">家电</a>
                    </li>
                    <li>
                        <a href="#">路由器</a>
                    </li>
                    <li>
                        <a href="#">服务</a>
                    </li>
                    <li>
                        <a href="#">社区</a>
                    </li>
                </ul>
            </div>
            <div class="white-right-nav">
                <input type="text" placeholder="洗衣机">
               
                <button>^</button>
            </div>
        </div>
    </div>  
    <!-- 白色导航结束 -->
</body>
</html>


WEB前端全系列/第一阶段:HTML5+CSS3模块/商城官网项目 5278楼
JAVA 全系列/第一阶段:JAVA 快速入门/面向对象详解和JVM底层内存分析 5279楼

课程分类

百战程序员微信公众号

百战程序员微信小程序

©2014-2025百战汇智(北京)科技有限公司 All Rights Reserved 北京亦庄经济开发区科创十四街 赛蒂国际工业园
网站维护:百战汇智(北京)科技有限公司
京公网安备 11011402011233号    京ICP备18060230号-3    营业执照    经营许可证:京B2-20212637