save project

my_music.py

@@ -27,7 +27,6 @@ play_button = stop_img
 num=-1
 while True:
     for event in pygame.event.get():
-        print(event)
         if event.type == locals.QUIT:
             exit()
         # 按键，控制声音大小
@@ -57,10 +56,20 @@ while True:
                         play_button = play_img
                         pygame.mixer.music.pause()
                 if x>120 and x<220 and y>350 and y<400:
-                    num=len(mnsic_list)-1
-                pygame.mixer.music.load(path+"\\"+music_list[num])
-                pygame.mixer.music.play()
-                click =0
+                    num-=1
+                    if num<0:
+                        num=len(music_list)-1
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click =0
+                    play_button=stop_img
+                if x>420 and x<520 and y>350 and y<400:
+                    num+=1
+                    if num>len(music_list)-1:
+                        num=0
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click =0
                 play_button=stop_img      
     if pygame.mixer.music.get_busy() == False:
         num+=1
@@ -68,7 +77,6 @@ while True:
             num=0
         pygame.mixer.music.load(path+"\\"+music_list[num])
         pygame.mixer.music.play()
-
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(play_button, (270, 330))   # 暂停按钮