用python写QQ音乐播放器

好的，下面是一个简单的用Python写的QQ音乐播放器的示例：

import requests
import json
import os
from playsound import playsound

# 搜索歌曲
def search_song(name):
    url = 'https://c.y.qq.com/soso/fcgi-bin/client_search_cp'
    params = {
        'ct': '24',
        'qqmusic_ver': '1298',
        'new_json': '1',
        'remoteplace': 'sizer.yqq.song_next',
        'searchid': '64405487069162918',
        't': '0',
        'aggr': '1',
        'cr': '1',
        'catZhida': '1',
        'lossless': '0',
        'flag_qc': '0',
        'p': '1',
        'n': '20',
        'w': name,
        'g_tk_new_20200303': '5381',
        'g_tk': '5381',
        'loginUin': '0',
        'hostUin': '0',
        'format': 'json',
        'inCharset': 'utf8',
        'outCharset': 'utf-8',
        'notice': '0',
        'platform': 'yqq.json',
        'needNewCode': '0'
    }
    res = requests.get(url, params=params)
    data = json.loads(res.text)
    if data['code'] == 0:
        songs = data['data']['song']['list']
        for i, song in enumerate(songs):
            print(f"{i + 1}. {song['name']} - {song['singer'][0]['name']}")
        return songs
    else:
        print("搜索失败！")
        return None

# 播放歌曲
def play_song(song):
    vkey_url = 'https://c.y.qq.com/base/fcgi-bin/fcg_music_express_mobile3.fcg'
    params = {
        'format': 'json',
        'platform': 'yqq',
        'cid': '205361747',
        'songmid': song['mid'],
        'filename': f'C400{song["mid"]}.m4a',
        'guid': '126548448'
    }
    headers = {
        'Referer': 'https://y.qq.com/portal/player.html',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'
    }
    res = requests.get(vkey_url, params=params, headers=headers)
    data = json.loads(res.text)
    if data['code'] == 0:
        vkey = data['data']['items'][0]['vkey']
        song_url = f'https://dl.stream.qqmusic.qq.com/C400{song["mid"]}.m4a?vkey={vkey}&guid=126548448&uin=0&fromtag=66'
        playsound(song_url)
    else:
        print("播放失败！")

# 主函数
if __name__ == '__main__':
    while True:
        name = input("请输入歌曲名称：")
        songs = search_song(name)
        if songs:
            index = input("请输入要播放的歌曲序号：")
            if index.isdigit() and 1 <= int(index) <= len(songs):
                play_song(songs[int(index) - 1])
            else:
                print("输入有误，请重新输入！")

你需要安装 `requests` 和 `playsound` 库，可以使用 `pip` 命令安装：

pip install requests
pip install playsound

然后，运行上面的代码，输入歌曲名称即可搜索并播放。