save project

my_music.py

@@ -58,13 +58,23 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
-    if pygame.mixer.music.get_busy() == False:  
+                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(path + "\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    play_button = stop_img
+                    click =0
+                if x > 420 and x < 520 and y > 350 and y < 450:  
                     num +=1
-        if num > len(filelist)-1:
+                    if num > len(music_list)-1:
                         num = 0
-        print(num)
                     pygame.mixer.music.load(path + "\\"+music_list[num])
                     pygame.mixer.music.play()
+                    play_button = stop_img
+                    click =0
+
     
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景