save project

my_music.py

 import pygame
-import os
 from pygame import locals
+import os
 
-pygame.init()   # 初始化
-# 创建窗口
+pygame.init()  # 初始化
+# 创建窗口640,480
 screen = pygame.display.set_mode((640, 480))
 # 载入图片、资源
 bg_img = pygame.image.load('background.png')  # 背景图
@@ -11,53 +11,72 @@ 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
-path=r'C\Users\Administrator\Documents\pygame_lesson5_diy2\test'
-if 
-num=-1
-volume=0.2
-click=0
-pygame.mixer.music.set_volume(volume)
-mode=play_img
+logo_img = pygame.image.load('logo.png')  # 下一曲按钮
+
+# 音乐
+music_list = []
+path = r"C:\Users\Administrator\Desktop\test"
+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_w:
-                volume+=0.2
+            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:
-                volume-=0.2
-                pygame.mixer.music.set_volume(volume)
-            if volume < 0:
-                volume=0
-                pygame.mixer.music.set_volume(volume)
-            if volume > 1:
-                volume=1
+            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:
-                x,y = event.pos
-                if x > 270 and x < 370 and y > 350 and y <450:
-                    click+=1
-                    if click%2 == 0:
+            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
                         pygame.mixer.music.unpause()
-                        mode=stop_img
                     else:
+                        play_button = play_img
                         pygame.mixer.music.pause()
-                        mode=play_img
-    if pygame.mixer.music.get_busy()==False:
-        num+=1
-        if num > len(music)-1:
-            num=0
-        pygame.mixer.music.load(path+'\\'+music[num])
+                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 x > 420 and x < 
+    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(mode, (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
     # 刷新画面
-    pygame.display.update()
+    pygame.display.update()
\ No newline at end of file