save project

my_music.py

@@ -27,6 +27,7 @@ pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
 play_button = stop_img
 num = -1
+ 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -45,13 +46,23 @@ while True:
                 pygame.mixer.music.set_volume(volume)
 
         if event.type == locals.MOUSEBUTTONDOWN:
-            click += 1
-            if click % 2 == 0:
+            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:
+                    play_button = play_img
+                    pygame.mixer.music.pause()
+            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
-                pygame.mixer.music.unpause()
-            else:
-                play_button = play_img
-                pygame.mixer.music.pause()
+                click = 0 
     if pygame.mixer.music.get_busy() == False:
         num += 1
         if num > len(filelist)-1: