微信电脑 头像文件夹｜深度指南与实用技巧

import os
import shutil
import datetime
from pathlib import Path
def backup_wechat_avatar():
    base_path = Path.home() / "Documents" / "WeChat Files"
    backup_root = Path.home() / "Backup" / "WeChatAvatar"
    backup_root.mkdir(parents=True, exist_ok=True)
    today = datetime.date.today().strftime("%Y%m%d")
    for user_dir in base_path.iterdir():
        if user_dir.is_dir():
            avatar_path = user_dir / "Image"
            if avatar_path.exists():
                dest = backup_root / f"{user_dir.name}_{today}"
                shutil.copytree(avatar_path, dest, dirs_exist_ok=True)
                print(f"✅ 已备份 {user_dir.name} 的头像缓存至 {dest}")
if __name__ == "__main__":
    backup_wechat_avatar()

# 批量重命名头像（添加好友备注）
import os
import json
import hashlib
def rename_avatars(wxid):
    # 读取联系人列表
    with open(f"Msg\\contact_{wxid}.json") as f:
        contacts = json.load(f)
    # 构建ID-备注映射
    id_map = {c['wxid']: c['remark'] or c['nickname'] for c in contacts}
    # 遍历头像目录
    img_dir = f"Image"
    for filename in os.listdir(img_dir):
        if filename.endswith('.jpg'):
            # 提取哈希前缀
            hash_prefix = filename.split('@')[0]
            # 反查备注名
            for wxid, name in id_map.items():
                if hashlib.sha1(wxid.encode()).hexdigest().startswith(hash_prefix):
                    new_name = f"{name}_{filename}"
                    os.rename(os.path.join(img_dir, filename),
                              os.path.join(img_dir, new_name))
                    break

// 批量下载当前页面所有头像
let avatars = Array.from(document.querySelectorAll('.img-avatar'));
avatars.forEach((img, i) => {
  let url = img.src;
  if (url.includes('wx.qlogo.cn')) {
    let a = document.createElement('a');
    a.href = url + '?param=180y180';
    a.download = `avatar_${i}.jpg`;
    a.click();
  }
});