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miaoguo_system_server
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chengjie 2 months ago
parent
d4d0539580
commit
6cc84ce9cb
1 changed files with 73 additions and 4 deletions
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  1. 73 4
      src/web_crawler/crawle_english.js

+ 73 - 4
src/web_crawler/crawle_english.js
View File 

@@ -14,6 +14,53 @@ const __dirname = path.dirname(__filename);
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 const WEB_URL=`https://novelhi.com`;
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 const WEB_URL_INDEX=`/s/index/`;
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+const title = "Throne-of-Magical-Arcana";
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+const author = "Cuttlefish That Loves Diving";
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+const coverName = "cover.jpg";
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+
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+/**
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+ * 检查章节文件是否已存在
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+ * @param {string} contentDir - 章节内容目录
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+ * @param {object} chapter - 章节对象
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+ * @returns {boolean} - 章节文件是否存在
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+ */
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+function isChapterFileExists(contentDir, chapter) {
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+    try {
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+        const chapterFileName = `${String(chapter.index).padStart(4, '0')}_${chapter.title.replace(/[\\/:*?"<>|]/g, '_')}.html`;
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+        const chapterFilePath = path.join(contentDir, chapterFileName);
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+        return fs.existsSync(chapterFilePath);
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+    } catch (error) {
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+        console.error(`检查章节文件是否存在时出错: ${error.message}`);
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+        return false;
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+    }
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+}
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+
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+/**
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+ * 从已存在的章节文件中加载内容
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+ * @param {string} contentDir - 章节内容目录
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+ * @param {object} chapter - 章节对象
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+ * @returns {string|null} - 章节内容或null
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+ */
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+function loadExistingChapterContent(contentDir, chapter) {
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+    try {
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+        const chapterFileName = `${String(chapter.index).padStart(4, '0')}_${chapter.title.replace(/[\\/:*?"<>|]/g, '_')}.html`;
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+        const chapterFilePath = path.join(contentDir, chapterFileName);
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+
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+        if (fs.existsSync(chapterFilePath)) {
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+            const htmlContent = fs.readFileSync(chapterFilePath, 'utf-8');
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+            // 提取正文内容
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+            const contentMatch = htmlContent.match(/<body>\s*<h1[^>]*>.*?<\/h1>\s*([\s\S]*?)\s*<\/body>/);
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+            if (contentMatch) {
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+                return contentMatch[1];
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+            }
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+        }
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+        return null;
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+    } catch (error) {
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+        console.error(`加载已存在章节内容时出错: ${error.message}`);
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+        return null;
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+    }
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+}
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+
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 /**
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  * 爬取单个章节内容
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  * @param {string} baseUrl - 网站基础URL
 
@@ -241,6 +288,19 @@ async function crawleWeb(title, outputDir = 'src/web_crawler', fetchContent = fa
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                     console.log(`已爬取 ${i}/${chaptersToFetch.length} 章节，暂停 2 秒...`);
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                     await setTimeout(2000);
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                 }
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+
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+                // 检查章节文件是否已存在
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+                if (isChapterFileExists(contentDir, chapter)) {
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+                    console.log(`章节 ${chapter.title} 已存在，跳过爬取`);
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+                    // 加载已存在的章节内容
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+                    const existingContent = loadExistingChapterContent(contentDir, chapter);
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+                    if (existingContent) {
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+                        chapters[i].content = existingContent;
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+                        contentsObj[chapter.title] = existingContent;
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+                        console.log(`已加载章节 ${chapter.title} 的现有内容`);
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+                    }
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+                    continue;
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+                }
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                 // 爬取章节内容
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                 const result = await fetchChapterContent(baseUrl, chapter.url, headers);
 
@@ -323,6 +383,19 @@ async function crawleWeb(title, outputDir = 'src/web_crawler', fetchContent = fa
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                         const { index, chapter } = failedItem;
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                         console.log(`重试章节: ${chapter.title}`);
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+                        // 检查章节文件是否已存在
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+                        if (isChapterFileExists(contentDir, chapter)) {
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+                            console.log(`章节 ${chapter.title} 已存在，跳过重试爬取`);
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+                            // 加载已存在的章节内容
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+                            const existingContent = loadExistingChapterContent(contentDir, chapter);
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+                            if (existingContent) {
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+                                chapters[index].content = existingContent;
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+                                contentsObj[chapter.title] = existingContent;
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+                                console.log(`已加载章节 ${chapter.title} 的现有内容`);
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+                                continue;
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+                            }
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+                        }
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+
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                         // 重新爬取章节内容
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                         const result = await fetchChapterContent(baseUrl, chapter.url, headers);
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@@ -807,10 +880,6 @@ async function generateEpub(contentFilePath, coverImagePath, outputPath, bookTit
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-const title = "The-Legendary-Mechanic";
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-const author = "Qi Peijia";
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-const coverName = "cover.jpg";
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-
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 let sourceDir = path.join(__dirname, title + '/' + title + '_contents');
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 let outputFile = path.join(__dirname, title + '/' + title + '.txt');
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 let outputFile2 = path.join(__dirname, title + '/' + title + '.html');