save project

diy.py

+# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+#file= open(r'C:\Users\Administrator\Desktop\123.txt','a',encoding='utf-8')
+#file.write('李明:15本\n')
+#file.write('小强:1o本\n')
+#file.close()
+with open(r'C:\Users\Administrator\Desktop\123.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if'小强:10本'in data:
+            print('数据在文件中')

lesson4-diy1.py

+import pygame
+from pygame import locals
+
+pygame.init()   # 初始化
+# 创建窗口
+screen = pygame.display.set_mode((640, 480))
+# 载入图片
+bg_img = pygame.image.load('background.png')  # 背景图
+play_img = pygame.image.load('play.png')  # 播放按钮
+stop_img = pygame.image.load('stop.png')  # 暂停按钮
+last_img = pygame.image.load('last.png')  # 上一曲按钮
+next_img = pygame.image.load('next.png')  # 下一曲按钮
+logo_img = pygame.image.load('logo.png')  # 中间logo
+
+filelist = ['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.ogg']
+num = -1
+
+volume = 0.2
+pygame.mixer.music.set_volume(volume)
+click = 0
+play_button = stop_img
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+        if event.type ==locals.KEYDOWN:
+            if event.key == locals.K_UP:
+                volume +=0.1
+                if volume>1:
+                    volume=1
+                pygame.mixer.music.set_volume(volume)
+            if event.key== locals.K_DOWN:
+                volume-=0.1
+                if volume<0:
+                    volume=0
+                pygame.mixer.music.set_volume(volume)
+
+            if event.type == locals.K_DOWN:
+               if event.button ==1:
+                   x,y = event.pos
+                   if x>270 and x<370 and y>350 and y<450:
+                       click +=1
+                       if click % 2==0:
+                           play_button = stop_img
+                           pygame.mixer.music.unpause()
+                       else:
+                           play_button = play_img
+                           pygame.mixer.music.pause()
+                
+        if pygame.mixer.music.get_busy() == False:
+            num +=1
+            if num >len(filelist)-1:
+                num=0
+            pygame.mixer.music.load(filelist[num])
+            pygame,mixer.music.play()
+    # 绘制画面
+    screen.blit(bg_img, (0, 0))      # 填充背景
+    screen.blit(stop_img, (270, 330))   # 暂停按钮
+    screen.blit(logo_img, (170, 60))    # 中间logo图
+    screen.blit(last_img, (120, 350))   # 上一曲
+    screen.blit(next_img, (420, 350))   # 下一曲
+    # 刷新画面
+    pygame.display.update()