新增评论抓取，修改更新日志

src/app/api/douban-comments/route.ts

@@ -0,0 +1,174 @@
+import { NextRequest, NextResponse } from 'next/server';
+import * as cheerio from 'cheerio';
+
+export const runtime = 'nodejs';
+
+interface DoubanComment {
+  id: string;
+  userName: string;
+  userAvatar: string;
+  userUrl: string;
+  rating: number | null; // 1-5 星，null 表示未评分
+  content: string;
+  time: string;
+  votes: number;
+}
+
+export async function GET(request: NextRequest) {
+  const { searchParams } = new URL(request.url);
+  const doubanId = searchParams.get('id');
+  const start = searchParams.get('start') || '0';
+  const limit = searchParams.get('limit') || '20';
+
+  if (!doubanId) {
+    return NextResponse.json({ error: 'Missing douban ID' }, { status: 400 });
+  }
+
+  try {
+    // 请求豆瓣短评页面
+    const url = `https://movie.douban.com/subject/${doubanId}/comments?start=${start}&limit=${limit}&status=P&sort=new_score`;
+
+    const response = await fetch(url, {
+      headers: {
+        'User-Agent':
+          'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+        Accept:
+          'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
+        'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
+        Referer: 'https://movie.douban.com/',
+      },
+    });
+
+    if (!response.ok) {
+      return NextResponse.json(
+        { error: 'Failed to fetch douban page' },
+        { status: response.status }
+      );
+    }
+
+    const html = await response.text();
+    const $ = cheerio.load(html);
+
+    const comments: DoubanComment[] = [];
+
+    console.log('开始解析豆瓣评论，start:', start, 'limit:', limit);
+
+    // 解析每条短评
+    $('.comment-item').each((index, element) => {
+      const $comment = $(element);
+
+      // 提取评论 ID
+      const commentId = $comment.attr('data-cid') || '';
+
+      // 提取用户信息
+      const $avatar = $comment.find('.avatar');
+      const userUrl = $avatar.find('a').attr('href') || '';
+      const userAvatar = $avatar.find('img').attr('src') || '';
+      const userName = $avatar.find('a').attr('title') || '';
+
+      // 提取评分（星级）
+      const ratingClass = $comment.find('.rating').attr('class') || '';
+      let rating: number | null = null;
+      const ratingMatch = ratingClass.match(/allstar(\d)0/);
+      if (ratingMatch) {
+        rating = parseInt(ratingMatch[1]);
+      }
+
+      // 提取短评内容
+      const $content = $comment.find('.short');
+      const content = $content.text().trim();
+
+      // 提取时间
+      const $commentInfo = $comment.find('.comment-info');
+      const time = $commentInfo.find('.comment-time').attr('title') || '';
+
+      // 提取有用数
+      const votesText = $comment.find('.votes.vote-count').text().trim();
+      const votes = parseInt(votesText) || 0;
+
+      if (commentId && content) {
+        comments.push({
+          id: commentId,
+          userName,
+          userAvatar,
+          userUrl,
+          rating,
+          content,
+          time,
+          votes,
+        });
+      }
+    });
+
+    console.log('解析到评论数:', comments.length);
+
+    // 获取总评论数 - 尝试多种方式
+    let total = 0;
+
+    // 方式1: 从标题获取 "全部 XXX 条"
+    const titleText = $('.mod-hd h2, h2, .section-title').text();
+    const titleMatch = titleText.match(/全部\s*(\d+)\s*条/);
+    if (titleMatch) {
+      total = parseInt(titleMatch[1]);
+    }
+
+    // 方式2: 从导航标签获取 "看过(XXX)"
+    if (total === 0) {
+      const navText = $('.tabs, .nav-tabs, a').text();
+      const navMatch = navText.match(/看过\s*\((\d+)\)/);
+      if (navMatch) {
+        total = parseInt(navMatch[1]);
+      }
+    }
+
+    // 方式3: 从页面所有文本查找
+    if (total === 0) {
+      const bodyText = $('body').text();
+      const bodyMatch = bodyText.match(/全部\s*(\d+)\s*条|看过\s*\((\d+)\)/);
+      if (bodyMatch) {
+        total = parseInt(bodyMatch[1] || bodyMatch[2]);
+      }
+    }
+
+    // 方式4: 如果有评论但 total 为 0，至少设置为当前评论数，并假设有更多
+    if (total === 0 && comments.length > 0) {
+      total = parseInt(start) + comments.length;
+      // 如果本次获取了完整的 limit 数量，可能还有更多
+      if (comments.length >= parseInt(limit)) {
+        total += 1; // 暂定有更多
+      }
+    }
+
+    console.log('豆瓣评论统计:', {
+      total,
+      commentsCount: comments.length,
+      start,
+      limit,
+      hasMore: parseInt(start) + comments.length < total || (total === 0 && comments.length >= parseInt(limit)),
+    });
+
+    return NextResponse.json(
+      {
+        comments,
+        total,
+        start: parseInt(start),
+        limit: parseInt(limit),
+        // 如果知道总数，就用总数判断；否则如果获取了完整页，假设还有更多
+        hasMore: total > 0
+          ? parseInt(start) + comments.length < total
+          : comments.length >= parseInt(limit),
+      },
+      {
+        headers: {
+          'Cache-Control': 'public, max-age=600, s-maxage=600',
+        },
+      }
+    );
+  } catch (error) {
+    console.error('Douban comments fetch error:', error);
+    return NextResponse.json(
+      { error: 'Failed to parse douban comments' },
+      { status: 500 }
+    );
+  }
+}