save project

my_music.py

@@ -56,10 +56,18 @@ while True:
                     click += 1
                     click += 1
                     if click%2 == 0:
                     if click%2 == 0:
                         pygame.mixer.music.unpause()
                         pygame.mixer.music.unpause()
-                        start = stop_img
                     else:
                     else:
+                        play_button = play_img
                         pygame.mixer.music.pause()
                         pygame.mixer.music.pause()
-                        start = play_img
+                    if x>120 and x<220 and y>350 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 volume <=0:
     if volume <=0:
         volume = 0
         volume = 0
@@ -71,6 +79,8 @@ while True:
         pygame.mixer.music.play()
         pygame.mixer.music.play()
         
         
 
 
+    
+
     # 绘制画面
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(start, (270, 330))   # 暂停按钮
     screen.blit(start, (270, 330))   # 暂停按钮