save project

demo2.py

+import os
+filelist = os.listdir("C:\\Users\\Administrator\\Desktop\\TEST")

my_music.py

 import pygame
-import
 from pygame import locals
+import os
 
 pygame.init()  # 初始化
 # 创建窗口
@@ -8,56 +8,69 @@ screen = pygame.display.set_mode((640, 480))
 # 载入图片、资源
 bg_img = pygame.image.load('background.png')  # 背景图
 play_img = pygame.image.load('play.png')  # 播放按钮
-stop = pygame.image.load('stop.png')  # 暂停按钮
+stop_img = pygame.image.load('stop.png')  # 暂停按钮
 last_img = pygame.image.load('last.png')  # 上一曲按钮
 next_img = pygame.image.load('next.png')  # 下一曲按钮
-logo_img = pygame.image.load('logo.png')  # 中间logo
-play = pygame.image.load('play.png')
+logo_img = pygame.image.load('logo.png')  # 下一曲按钮
+
+# 音乐
 music_list = []
-num = -1
 path = "C:\\Users\\Administrator\\Desktop\\TEST"
 filelist = os.listdir(path)
 for i in filelist:
-    if i[-4:] == "wav." or i[-4:] == "ogg.":
+    if i[-4:] == ".ogg" or i[-4:] == ".wav":
         music_list.append(i)
 
-vomule = 0.2
-pygame.mixer.music.set_volume(volume)
+num = -1    
+volume = 0.2
+pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
-play_button = stop
+play_button = stop_img
 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+        # 按键，控制声音大小
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_UP:
-                vomule+=0.1
-                if vomule>1:
-                    vomule=1
+                volume += 0.1
+                if volume > 1:
+                    volume = 1
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
-                vomule-=0.1
-                if vomule<0:
-                    vomule=0
+                volume -= 0.1
+                if volume < 0:
+                    volume = 0
                 pygame.mixer.music.set_volume(volume)
+
         if event.type == locals.MOUSEBUTTONDOWN:
-            if event.button == 1:
-                x,y = event.pos
-                if x>270 and x<370 and y>350 and y<350:
+            if event.button == 1:  # 左击
+                x, y = event.pos
+                if x > 270 and x < 370 and y > 350 and y < 450:
                     click += 1
-                    if click%2 == 1:
+                    if click % 2 == 0:
+                        play_button = stop_img
                         pygame.mixer.music.unpause()
-                        play_button = stop
                     else:
+                        play_button = play_img
                         pygame.mixer.music.pause()
-                        play_button = play
+        
+        if x>120 and x<220 and y>350 and y<450:
+            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
     if pygame.mixer.music.get_busy() == False:
-        num +=1
-        if num > len(music_list)-1:
+        num += 1
+        if num > len(filelist)-1:
             num = 0
-        pygame.mixer.music.load(path+"\\"+music_list[num])
+        print(num)
+        pygame.mixer.music.load(path + "\\"+music_list[num])
         pygame.mixer.music.play()
+
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(play_button, (270, 330))   # 暂停按钮