generated from dellevin/template
feat: complete local version to overwrite remote
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DelLevin-Home
287
www_comments/app.py
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287
www_comments/app.py
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from flask import Flask, request, jsonify, render_template, session, redirect, url_for
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from flask_cors import CORS
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import json
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import os
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from datetime import datetime
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import hashlib
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from config import *
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app = Flask(__name__)
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CORS(app) # 允许跨域请求
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app.secret_key = SECRET_KEY
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# 数据文件路径已在 config.py 中定义
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# DATA_FILE = os.path.join(os.path.dirname(__file__), 'data', 'comments.json')
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def read_comments():
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"""读取评论数据"""
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try:
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if os.path.exists(DATA_FILE):
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with open(DATA_FILE, 'r', encoding='utf-8') as f:
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return json.load(f)
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return {"comments": []}
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except Exception as e:
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print(f"读取数据失败: {e}")
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return {"comments": []}
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def save_comments(data):
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"""保存评论数据"""
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os.makedirs(os.path.dirname(DATA_FILE), exist_ok=True)
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with open(DATA_FILE, 'w', encoding='utf-8') as f:
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json.dump(data, f, ensure_ascii=False, indent=2)
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def parse_user_agent(ua):
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"""解析 User Agent 获取浏览器和系统信息"""
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browser = 'Unknown'
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os_name = 'Unknown'
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# 浏览器检测
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if 'Chrome' in ua and 'Edge' not in ua:
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browser = 'Chrome'
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elif 'Firefox' in ua:
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browser = 'Firefox'
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elif 'Safari' in ua and 'Chrome' not in ua:
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browser = 'Safari'
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elif 'Edge' in ua:
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browser = 'Edge'
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# 系统检测
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if 'Windows' in ua:
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os_name = 'Windows'
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elif 'Mac' in ua:
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os_name = 'macOS'
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elif 'Linux' in ua:
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os_name = 'Linux'
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elif 'Android' in ua:
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os_name = 'Android'
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elif 'iPhone' in ua or 'iPad' in ua:
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os_name = 'iOS'
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return browser, os_name
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@app.route('/api/comment', methods=['GET'])
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def get_comments():
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"""获取评论列表（前端展示用，仅返回已审核）"""
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try:
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page = int(request.args.get('page', 1))
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page_size = int(request.args.get('pageSize', PAGE_SIZE_FRONTEND))
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data = read_comments()
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# 过滤已审核的评论
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filtered = [c for c in data['comments']
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if c.get('status') == 'approved']
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# 按时间倒序排序
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filtered.sort(key=lambda x: x.get('time', 0), reverse=True)
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total_count = len(filtered)
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total_pages = (total_count + page_size - 1) // page_size
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# 分页
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start = (page - 1) * page_size
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end = start + page_size
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paged_comments = filtered[start:end]
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return jsonify({
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'errno': 0,
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'errmsg': '',
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'data': {
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'page': page,
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'totalPages': total_pages,
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'pageSize': page_size,
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'count': total_count,
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'data': paged_comments
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}
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})
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except Exception as e:
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return jsonify({
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'errno': 1,
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'errmsg': str(e)
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}), 500
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# 管理员账号配置已在 config.py 中定义
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# ADMIN_USERNAME = 'admin'
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# ADMIN_PASSWORD = 'zhaoyang0902'
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def login_required(f):
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"""登录验证装饰器"""
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from functools import wraps
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@wraps(f)
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def decorated_function(*args, **kwargs):
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if not session.get('logged_in'):
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return redirect(url_for('login_page'))
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return f(*args, **kwargs)
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return decorated_function
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@app.route('/login')
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def login_page():
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"""登录页面"""
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return render_template('login.html')
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@app.route('/api/login', methods=['POST'])
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def do_login():
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"""处理登录请求"""
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data = request.get_json()
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username = data.get('username')
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password = data.get('password')
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if username == ADMIN_USERNAME and password == ADMIN_PASSWORD:
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session['logged_in'] = True
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return jsonify({'errno': 0, 'errmsg': '登录成功'})
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else:
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return jsonify({'errno': 1, 'errmsg': '用户名或密码错误'}), 401
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@app.route('/logout')
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def logout():
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"""退出登录"""
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session.pop('logged_in', None)
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return redirect(url_for('login_page'))
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@app.route('/admin')
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@login_required
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def admin_page():
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"""后台管理页面"""
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return render_template('admin.html')
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@app.route('/api/admin/comments', methods=['GET'])
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@login_required
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def get_admin_comments():
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"""获取所有评论（后台管理用）"""
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try:
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status_filter = request.args.get('status', '')
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keyword = request.args.get('keyword', '').lower()
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page = int(request.args.get('page', 1))
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page_size = int(request.args.get('pageSize', PAGE_SIZE_ADMIN))
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data = read_comments()
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comments = data['comments']
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# 状态过滤
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if status_filter:
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comments = [c for c in comments if c.get('status') == status_filter]
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else:
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# 全部状态下默认不显示已删除的评论
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comments = [c for c in comments if c.get('status') != 'deleted']
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# 关键词搜索（昵称或内容）
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if keyword:
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comments = [c for c in comments if
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keyword in c.get('nick', '').lower() or
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keyword in c.get('comment', '').lower()]
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# 按时间倒序排序
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comments.sort(key=lambda x: x.get('time', 0), reverse=True)
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total_count = len(comments)
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total_pages = (total_count + page_size - 1) // page_size if total_count > 0 else 0
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# 分页
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start = (page - 1) * page_size
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end = start + page_size
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paged_comments = comments[start:end]
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return jsonify({
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'errno': 0,
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'data': {
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'list': paged_comments,
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'total': total_count,
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'page': page,
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'pageSize': page_size,
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'totalPages': total_pages
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}
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})
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except Exception as e:
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return jsonify({
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'errno': 1,
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'errmsg': str(e)
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}), 500
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@app.route('/api/admin/comment/<int:comment_id>', methods=['PUT'])
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@login_required
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def update_comment_status(comment_id):
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"""更新评论状态"""
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try:
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update_data = request.get_json()
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new_status = update_data.get('status')
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if new_status not in ['approved', 'spam', 'deleted']:
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return jsonify({'errno': 1, 'errmsg': '无效的状态'}), 400
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data = read_comments()
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found = False
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for c in data['comments']:
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if c['id'] == comment_id:
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c['status'] = new_status
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found = True
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break
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if not found:
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return jsonify({'errno': 1, 'errmsg': '评论不存在'}), 404
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save_comments(data)
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return jsonify({'errno': 0, 'errmsg': '更新成功'})
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except Exception as e:
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return jsonify({
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'errno': 1,
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'errmsg': str(e)
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}), 500
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@app.route('/api/comment', methods=['POST'])
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def add_comment():
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"""添加评论"""
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try:
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comment_data = request.get_json()
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if not comment_data:
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return jsonify({
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'errno': 1,
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'errmsg': '无效的数据'
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}), 400
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data = read_comments()
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# 生成新 ID
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new_id = max([c.get('id', 0) for c in data['comments']], default=0) + 1
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# 解析 User Agent
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ua = comment_data.get('ua', '')
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browser, os_name = parse_user_agent(ua)
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# 生成头像（基于邮箱 MD5）
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email = comment_data.get('mail', '')
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avatar_hash = hashlib.md5(email.encode('utf-8')).hexdigest()
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avatar = f'https://seccdn.libravatar.org/avatar/{avatar_hash}'
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# 创建新评论
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new_comment = {
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'id': new_id,
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'nick': comment_data.get('nick', '匿名'),
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'mail': comment_data.get('mail', ''),
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'link': comment_data.get('link', ''),
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'comment': f"<p>{comment_data.get('comment', '')}</p>\n",
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'ua': ua,
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'browser': browser,
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'os': os_name,
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'avatar': avatar,
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'time': int(datetime.now().timestamp() * 1000),
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'status': 'approved' # 直接审核通过
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}
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# 添加到数据中
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data['comments'].append(new_comment)
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save_comments(data)
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return jsonify({
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'errno': 0,
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'errmsg': '',
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'data': new_comment
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})
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except Exception as e:
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return jsonify({
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'errno': 1,
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'errmsg': str(e)
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}), 500
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if __name__ == '__main__':
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app.run(host=HOST, port=PORT, debug=DEBUG)
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