save project

my_music.py

@@ -41,6 +41,7 @@ while True:
             if event.button == 1:
             if event.button == 1:
                 x,y=event.pos
                 x,y=event.pos
                 if x > 270 and x < 370 and y > 350 and  y < 450:
                 if x > 270 and x < 370 and y > 350 and  y < 450:
+                    
                 # 次数增加
                 # 次数增加
                     click += 1
                     click += 1
                     if click % 2 == 0:
                     if click % 2 == 0:
@@ -49,7 +50,24 @@ while True:
                     else:
                     else:
                         play_button = play_img
                         play_button = play_img
                         pygame.mixer.music.pause()
                         pygame.mixer.music.pause()
-
+                if x >120 and x < 220 and y >350 and y < 400:
+                    num-=1
+                    if num<0:
+                        num=len(filelist)-1
+                    pygame.mixer.music.load(filelist[num])
+                    pygame.mixer.music.play()
+                    play_button=stop_img
+                    clile=0
+                        
+                if x > 420 and x < 520 and y > 350 and y < 400:
+                    num+=1
+                    if num > len(filelist)-1:
+                        num=0
+                    pygame.mixer.music.load(filelist[num])
+                    pygame.mixer.music.play()
+                    
+                    click=0
+                    play_button=stop_img
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
         num+=1
         num+=1
         if num > len(filelist)-1:
         if num > len(filelist)-1: