save project

my_music.py

 import pygame
+import os
 from pygame import locals
 
+
 pygame.init()   # 初始化
+pygame.mixer.init()
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
 # 载入图片、资源
@@ -11,16 +14,74 @@ 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
+volume = 0.2
+flag = True
+index = 0
+button = stop_img
+music_list = []
+#music_list = ["歌曲1.wav","歌曲2.wav","歌曲3.wav","歌曲4.ogg"]
+path = os.getcwd()
+resource = os.listdir(path)
+
+for element in resource:
+    suffix = element[-4:] 
+    if suffix == ".wav" or suffix == ".ogg":
+        music_list.append(element)
+music_len = len(music_list)
 
 while True:
     for event in pygame.event.get():
-        ????
-
+        if event.type == pygame.QUIT:
+            exit()
+        if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_UP:
+                volume += 0.1
+                if volume > 1:
+                    volume = 1
+            if event.key == pygame.K_DOWN:
+                volume -= 0.1
+                if volume < 0:
+                    volume = 0
+            pygame.mixer.music.set_volume(volume)
+        if event.type == pygame.MOUSEBUTTONDOWN:
+            #鼠标左键按下
+            if event.button == 1:
+                click_x,click_y = event.pos # click_x = event.pos[0]  click_y = event.pos[1]
+                if click_x > 270 and click_x < 370 and click_y > 330 and click_y < 430:
+                    flag = not flag
+                if click_x > 120 and click_x < 220 and click_y > 350 and click_y < 400:
+                    pygame.mixer.music.stop()
+                    index -= 1
+                    flag = True
+                    #因为播放歌曲之后此时指向的序号已经是下一首歌曲，所以要先调整回当前歌曲
+                    index -= 1 
+                if click_x > 420  and click_x < 520 and click_y > 350 and click_y < 400:
+                    pygame.mixer.music.stop()
+                    index +=1
+                    flag = True
+                    #因为播放歌曲之后此时指向的序号已经是下一首歌曲，所以要先调整回当前歌曲
+                    index -= 1 
+                    
+                    
+            if flag == True:
+                button = stop_img
+                pygame.mixer.music.unpause() 
+            else:
+                button = play_img
+                pygame.mixer.music.pause()
+           
+    if pygame.mixer.music.get_busy() == False:
+        pygame.mixer.music.load(music_list[(index%music_len)])
+        pygame.mixer.music.play()
+        index += 1
+        
+            
+        
     # 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(button, (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.flip()