save project

my_music.py

@@ -49,20 +49,37 @@ while True:
 
         # 按下鼠标
         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:
-                        click += 1
-                        if click % 2 == 0:
-                            play_button = stop_img
-                            pygame.mixer.music.unpause()
-                        else:
-                            pygame.mixer.music.pause()
+            if event.button==1:
+                x,y=event.pos
+                if x>270 and x<370 and y>350 and y<450:
+                    click += 1
+                    if click % 2 == 0:
+                        play_button = stop_img
+                        pygame.mixer.music.unpause()
+                    else:
+                        pygame.mixer.music.pause()
 
-                            play_button = play_img
+                        play_button = play_img
                 
                     
+                if 120<x<220 and 350<y<400:
+                    num-=1
+                    if num<0:
+                        num=0
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    play_button=stop_img
+                    click=0
                 
+                if 420<x<520 and 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()
+                    play_button=stop_img
+                    click=0
+
                     
 
     if pygame.mixer.music.get_busy() == False: