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lesson4-diy2.py

@@ -22,25 +22,25 @@ while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-    if event.type==locals.KEYDOWN:
-        if event.key==locals.K_w:
-            volume+=0.1
-            if volume>1:
-                volume=1
-            pygame.mixer.music.set_volume(volume)
-        if event.key==locals.K_s:
-            volume-=0.1
-            if volume<0:
-                volume=0
-            pygame.mixer.music.set_volume(volume)
-    if event.type==locals.MOUSEBUTTONDOWN:
-        click+=1
-        if click%2==0:
-            paly_button=stop_img
-            pygame.mixer.music.unpause()
-        else:
-            paly_button=play_img
-            pygame.mixer.music.pause()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_w:
+                volume+=0.1
+                if volume>1:
+                    volume=1
+                pygame.mixer.music.set_volume(volume)
+            if event.key==locals.K_s:
+                volume-=0.1
+                if volume<0:
+                    volume=0
+                pygame.mixer.music.set_volume(volume)
+        if event.type == locals.MOUSEBUTTONDOWN:
+            click += 1
+            if click % 2 == 0:
+                play_button = stop_img
+                pygame.mixer.music.unpause()
+            else:
+                play_button = play_img
+                pygame.mixer.music.pause()
     if pygame.mixer.music.get_busy() == False:
         pygame.mixer.music.play()
    
@@ -48,7 +48,8 @@ while True:
 
     # 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