save project

my_music.py

 import pygame
 from pygame import locals
 import os
+
 pygame.init()  # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
@@ -10,54 +11,43 @@ play_img = pygame.image.load('play.png')  # 播放按钮
 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
-pygame.mixer.music.load('歌曲3.wav') 
-volume = 0.8
-pygame.mixer.music.set_volume(volume)
-# 音乐
+logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 
+# 音乐
 music_list = []
-
 path = "C:\\Users\\WM\\Desktop\\test"
 filelist = os.listdir(path)
 for i in filelist:
     if i[-4:] == ".ogg" or i[-4:] == ".wav":
         music_list.append(i)
 
-
-filelist = os.listdir(path)
-for i in filelist:
-    if i[-4:] == ".ogg" or i[-4:] == ".wav":
-        music_list.append(i)
-
-
 num = -1    
-
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
-
 click = 0
 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:
                 volume += 0.1
                 if volume > 1:
                     volume = 1
                 pygame.mixer.music.set_volume(volume)
-            if event.key == locals.K_s:
+            if event.key == locals.K_DOWN:
                 volume -= 0.1
                 if volume < 0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
+
         if event.type == locals.MOUSEBUTTONDOWN:
             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 == 0:
                         play_button = stop_img
@@ -65,17 +55,26 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
- 
-
- 
+                if x > 120 and x < 220 and y > 350 and y < 400: #上一曲
+                    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
+                    click = 0
 
     if pygame.mixer.music.get_busy() == False:
+        num += 1
+        if num > len(filelist)-1:
+            num = 0
+        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(stop_img, (270, 330))   # 暂停按钮
+    screen.blit(play_button, (270, 330))   # 暂停按钮
     screen.blit(logo_img, (170, 60))    # 中间logo图
     screen.blit(last_img, (120, 350))   # 上一曲
     screen.blit(next_img, (420, 350))   # 下一曲