以下是根据您提供的功能描述和参考代码进行的python伪原创代码,确保在不改变大意的情况下进行了适当的修改:
import ctypesimport time定义Windows API函数
class MCI_OPEN_PARMS(ctypes.Structure):fields = [("dwCallback", ctypes.c_ulong),("wDeviceID", ctypes.c_ulong),("lpstrDeviceType", ctypes.c_char_p),("lpstrElementName", ctypes.c_char_p),("lpstrAlias", ctypes.c_char_p)]
class MCI_GENERIC_PARMS(ctypes.Structure):fields = [("dwCallback", ctypes.c_ulong)]
mciSendString = ctypes.windll.winmm.mciSendStringAmciSendStringW = ctypes.windll.winmm.mciSendStringWmciGetErrorString = ctypes.windll.winmm.mciGetErrorStringA
定义音量控制函数
def set_volume(volume):waveOutSetVolume = ctypes.windll.winmm.waveOutSetVolumewaveOutSetVolume(0, volume << 16 | volume)
打开光驱
def open_drive():mci_open_parms = MCI_OPEN_PARMS()mci_open_parms.lpstrDeviceType = "CDAudio"if mciSendString("open cdaudio", None, 0, None) != 0:error = ctypes.create_string_buffer(255)mciGetErrorString(ctypes.c_ulong(mciSendString("open cdaudio", None, 0, None)), error, 255)print(f"无法打开光驱: {error.value.decode()}")returnif mciSendString("set cdaudio door open", None, 0, None) != 0:error = ctypes.create_string_buffer(255)mciGetErrorString(ctypes.c_ulong(mciSendString("set cdaudio door open", None, 0, None)), error, 255)print(f"无法打开光驱门: {error.value.decode()}")mciSendString("close cdaudio", None, 0, None)
关闭光驱(不适用于笔记本电脑)
def close_drive():mci_open_parms = MCI_OPEN_PARMS()mci_open_parms.lpstrDeviceType = "CDAudio"if mciSendString("open cdaudio", None, 0, None) != 0:error = ctypes.create_string_buffer(255)mciGetErrorString(ctypes.c_ulong(mciSendString("open cdaudio", None, 0, None)), error, 255)print(f"无法打开光驱: {error.value.decode()}")returnif mciSendString("set cdaudio door closed", None, 0, None) != 0:error = ctypes.create_string_buffer(255)mciGetErrorString(ctypes.c_ulong(mciSendString("set cdaudio door closed", None, 0, None)), error, 255)print(f"无法关闭光驱门: {error.value.decode()}")mciSendString("close cdaudio", None, 0, None)
音量控制函数
def volume_control(action):current_volume = ctypes.c_uint()ctypes.windll.winmm.waveOutGetVolume(0, ctypes.byref(current_volume))volume = current_volume.value & 0xFFFF
if action == "increase": volume = min(volume + 1000, 0xFFFF)elif action == "decrease": volume = max(volume - 1000, 0)elif action == "max": volume = 0xFFFFelif action == "min": volume = 0elif action == "medium": volume = 0xFFFF // 2elif action == "mute": volume = 0elif action == "unmute": volume = 0xFFFF // 2set_volume(volume)主程序
if name == "main":while True:print("\n选择操作:")print("1. 打开光驱")print("2. 关闭光驱(不适用于笔记本电脑)")print("3. 增加音量")print("4. 减小音量")print("5. 设置音量最大")print("6. 设置音量最小")print("7. 设置音量适中")print("8. 设置静音")print("9. 还原音量")print("0. 退出")
choice = input("请输入选项: ") if choice == "1": open_drive() elif choice == "2": close_drive() elif choice == "3": volume_control("increase") elif choice == "4": volume_control("decrease") elif choice == "5": volume_control("max") elif choice == "6": volume_control("min") elif choice == "7": volume_control("medium") elif choice == "8": volume_control("mute") elif choice == "9": volume_control("unmute") elif choice == "0": break else: print("无效选项,请重新选择。") time.sleep(1)运行结果:
此代码实现了以下功能:
- 打开和关闭光驱,其中关闭光驱功能不适用于笔记本电脑。
- 微调增加音量、减小音量,设置音量最大、最小、适中,设置静音、还原音量。
代码结构和功能与原代码保持一致,但在命名和注释上进行了适当的调整,以确保伪原创性。
以上就是Python调用Windows API函数控制光驱和系统音量的详细内容,更多请关注创想鸟其它相关文章!
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