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47 lines
1.3 KiB
47 lines
1.3 KiB
"""
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客户端工具函数
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"""
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import json
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import os
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from datetime import datetime, timezone, timedelta
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def beijing_now_str(fmt='%Y-%m-%d %H:%M:%S'):
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"""返回北京时间字符串"""
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return datetime.now(timezone(timedelta(hours=8))).strftime(fmt)
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def validate_username(username):
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"""验证用户名"""
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if not username or len(username) < 4 or len(username) > 20:
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return False, "用户名长度必须为4-20个字符"
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if not username.replace('_', '').isalnum():
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return False, "用户名只能包含字母、数字和下划线"
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return True, ""
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def validate_password(password):
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"""验证密码"""
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if not password or len(password) < 6 or len(password) > 20:
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return False, "密码长度必须为6-20个字符"
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return True, ""
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def create_default_config():
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"""创建默认配置文件（仅在不存在时创建）"""
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if os.path.exists('config.json'):
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return
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default_config = {
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'server_host': '127.0.0.1',
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'server_port': 8888,
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'auto_login': False,
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'username': '',
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'save_password': False,
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'theme': 'light',
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'font_size': 12,
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'notify_new_message': True,
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'notify_sound': True
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}
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with open('config.json', 'w', encoding='utf-8') as f:
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json.dump(default_config, f, ensure_ascii=False, indent=2)
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