save project

my_music.py

 import pygame
 from pygame import locals
 
-pygame.init()
+pygame.init()  # 初始化
+# 创建窗口
+screen = pygame.display.set_mode((640, 480))
+# 载入图片、资源
+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')  # 下一曲按钮
 
-screen = pygame.display.set_mode((640,480))
-
-bg_ing =pygame.image.load('background.png')
-play_ing =pygame.image.load('play.png')
-stop_ing =pygame.image.load('stop.png')
-last_ing =pygame.image.load('last.png')
-next_ing =pygame.image.load('next.png')
-logo_ing =pygame.image.load('logo.png')
-pygame.mixer.music.load('歌曲3.wav')
+pygame.mixer.music.load('歌曲4.ogg')  # 载入音乐
 
+click = 0
+play_button = stop_img
+volume = 0.8
+pygame.mixer.music.set_volume(volume)  # 初始播放音量
 while True:
-    for  event in pygame.event.get():
-         if event.type == locals.QUIT:
-             exit()     
-
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+        # 按键，控制声音大小
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_w:
+                volume += 0.1
+                if volume > 1:
+                    volume = 1
+                pygame.mixer.music.set_volume(volume)
+            if event.key == locals.K_s:
+                volume -= 0.1
+                if volume < 0:
+                    volume = 0
+                pygame.mixer.music.set_volume(volume)
+        if event.type == locals.MOUSEBUTTONDOWN:
+            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:
         pygame.mixer.music.play()
-
-    screen.blit(bg_ing,(0,0))
-    screen.blit(stop_ing,(270,330))
-    screen.blit(logo_ing,(170,60))
-    screen.blit(last_ing,(120,350))
-    screen.blit(next_ing,(420,350))
-
+    # 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()
\ No newline at end of file