使用Golang和goquery库可轻松抓取网页标题。首先安装goquery依赖，然后通过net/http发起GET请求获取网页内容，再用goquery.NewDocumentFromReader解析HTML，利用doc.Find("title").Text()提取标题文本。示例代码展示了从https://www.php.cn/link/1536687004241eb9faeee0e227b58c60抓取标题的过程，并包含错误处理。为提高健壮性，建议设置HTTP客户端超时、添加User-Agent头以避免被屏蔽，同时检查响应状态码和Content-Type类型。该方法适用于小型爬虫或页面监控任务。
使用Golang和
goquery库抓取网页标题非常简单。你只需要发送一个HTTP请求获取网页内容，然后用
goquery解析HTML并提取
</pre>标签的文本即可。</p> <h3>安装依赖</h3> <p>首先确保你安装了<pre class="brush:php;toolbar:false;">goquery</pre>库，它依赖于<pre class="brush:php;toolbar:false;">net/html</pre>和第三方的<pre class="brush:php;toolbar:false;">casbin/parse</pre>。运行以下命令安装：</p> <font face="Courier New"><pre class="brush:php;toolbar:false;">go get github.com/PuerkitoBio/goquery</pre></font><h3>发送HTTP请求并解析HTML</h3> <p>Golang<a style="color:#f60; text-decoration:underline;" title="标准库" href="https://www.php.cn/zt/74427.html" target="_blank">标准库</a>中的<pre class="brush:php;toolbar:false;">net/http</pre>可以用来发起GET请求。将响应体传给<pre class="brush:php;toolbar:false;">goquery.NewDocumentFromReader</pre>，就可以用jQuery风格的选择器提取数据。</p> <p>以下是一个完整示例，抓取指定URL的网页标题：</p> <p><span>立即学习</span>“<a href="https://pan.quark.cn/s/00968c3c2c15" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">go语言免费学习笔记（深入）</a>”；</p> <p><font face="Courier New"></font></p><pre class="brush:php;toolbar:false;">package main <p>import ( "fmt" "log" "net/http"</p><pre class='brush:php;toolbar:false;'>"github.com/PuerkitoBio/goquery"</pre><p>)</p><div class="aritcle_card flexRow"> <div class="artcardd flexRow"> <a class="aritcle_card_img" href="/ai/2156" title="谱乐AI"><img src="https://img.php.cn/upload/ai_manual/000/000/000/175680304816297.png" alt="谱乐AI"></a> <div class="aritcle_card_info flexColumn"> <a href="/ai/2156" title="谱乐AI">谱乐AI</a> <p>谱乐AI，集成 Suno、Udio 等顶尖AI音乐模型的一站式AI音乐生成平台。</p> </div> <a href="/ai/2156" title="谱乐AI" class="aritcle_card_btn flexRow flexcenter"><b></b><span>下载</span> </a> </div> </div> <p>func fetchTitle(url string) { // 发起HTTP GET请求 resp, err := http.Get(url) if err != nil { log.Printf("请求失败: %v", err) return } defer resp.Body.Close()</p><pre class='brush:php;toolbar:false;'>// 确保状态码是200 if resp.StatusCode != http.StatusOK { log.Printf("HTTP错误: %d", resp.StatusCode) return } // 使用goquery解析响应体 doc, err := goquery.NewDocumentFromReader(resp.Body) if err != nil { log.Printf("解析HTML失败: %v", err) return } // 查找title标签并获取内容 title := doc.Find("title").Text() if title == "" { fmt.Println("未找到标题") } else { fmt.Printf("标题: %s\n", title) }</pre><p>}</p> <p>func m<a style="color:#f60; text-decoration:underline;" title="ai" href="https://www.php.cn/zt/17539.html" target="_blank">ai</a>n() { fetchTitle("<a href="https://www.php.cn/link/1536687004241eb9faeee0e227b58c60">https://www.php.cn/link/1536687004241eb9faeee0e227b58c60</a>") }</p> <h3>处理常见问题</h3> <p>实际使用中可能遇到网络超时、重定向、非UTF-8编码等问题。可以优化请求客户端来增强健壮性：</p> <ul> <li>设置超时时间避免卡住</li> <li>检查Content-Type确保是HTML</li> <li>对某些网站可能需要设置User-Agent防止被屏蔽</li> </ul> <p><font face="Courier New"></font></p><pre class="brush:php;toolbar:false;">client := &http.Client{ Timeout: 10 * time.Second, } req, _ := http.NewRequest("GET", url, nil) req.Header.Set("User-Agent", "Mozilla/5.0 (compatible; GoCrawler/1.0)") <p>resp, err := client.Do(req)</p></pre><p>基本上就这些。用<pre 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