save project

my_music.py

@@ -13,7 +13,8 @@ next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 
 # 载入音乐
-pygame.mixer.music.load('歌曲1.wav')  # 载入音乐      
+music_list=['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)  # 初始播放音量
@@ -37,12 +38,11 @@ while True:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
 
-        # 按下鼠标
+        # 鼠标点击
         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:
-                # 次数增加
                     click += 1
                     if click % 2 == 0:
                         play_button = stop_img
@@ -50,8 +50,18 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
+                if x>120  and x<220 and y>350 and y<400:
+                    num-=1
+                    if num<0:
+                        num =len(music_list)-1
+                    pygame.mixer.music.load(music_list[num])
+                    pygame.mixer.music.play()    
 
     if pygame.mixer.music.get_busy() == False:
+        num +=1
+        if num>len(music_list)-1:
+            num=0
+        pygame.mixer.music.load(music_list[num])
         pygame.mixer.music.play()
 
     # 绘制画面