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> <div class="contentsignin"></div> </div> <p>标签的文本即可。</p> <h3>安装依赖</h3> <p>首先确保你安装了</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">goquery</pre> <div class="contentsignin"></div> </div> <p>库，它依赖于</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">net/html</pre> <div class="contentsignin"></div> </div> <p>和第三方的</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">casbin/parse</pre> <div class="contentsignin"></div> </div> <p>。运行以下命令安装：</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">go get github.com/PuerkitoBio/goquery</pre> <div class="contentsignin"></div> </div> <h3>发送HTTP请求并解析HTML</h3> <p>Golang<span class="wpcom_tag_link"><a href="https://www.chuangxiangniao.com/p/tag/biaozhunku" title="标准库" target="_blank">标准库</a></span>中的</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">net/http</pre> <div class="contentsignin"></div> </div> <p>可以用来发起GET请求。将响应体传给</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">goquery.NewDocumentFromReader</pre> <div class="contentsignin"></div> </div> <p>，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>立即学习“go语言免费学习笔记（深入）”；</p> </p> <div class="code" style="position:relative;padding:0px;margin:0px"> <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> <div class="contentsignin"></div> </div> <p>)</p> <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> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class='brush:php;toolbar:false;'>// 确保状态码是200if 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: %sn", title)}</pre> <div class="contentsignin"></div> </div> <p>}</p> <p>func m<span class="wpcom_tag_link"><a href="https://www.chuangxiangniao.com/p/tag/ai" title="ai" target="_blank">ai</a></span>n() {fetchTitle("https://www.php.cn/link/1536687004241eb9faeee0e227b58c60")}</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> <p>设置超时时间避免卡住检查Content-Type确保是HTML对某些网站可能需要设置User-Agent防止被屏蔽</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <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> <div class="contentsignin"></div> </div> <p>基本上就这些。用</p> <div class="code" style="position:relative;padding:0px;margin:0px"> <pre class="brush:php;toolbar:false;">goquery</pre> <div class="contentsignin"></div> </div> <p>提取网页标题简洁高效，适合小型爬虫或监控任务。</p> <p>以上就是使用Golang和goquery库如何实现一个抓取网页标题的网络爬虫的详细内容，更多请关注创想鸟其它相关文章！</p> <div class="entry-readmore"><div class="entry-readmore-btn"></div></div> <div class="entry-copyright"><p>版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。<br> 如发现本站有涉嫌抄袭侵权/违法违规的内容， 请发送邮件至 chuangxiangniao@163.com 举报，一经查实，本站将立刻删除。<br> 发布者：程序猿，转转请注明出处：<span>https://www.chuangxiangniao.com/p/1401825.html</span></p></div> </div> <div class="entry-tag"><a href="https://www.chuangxiangniao.com/p/tag/ai" rel="tag">ai</a><a href="https://www.chuangxiangniao.com/p/tag/git" rel="tag">git</a><a href="https://www.chuangxiangniao.com/p/tag/go" rel="tag">go</a><a href="https://www.chuangxiangniao.com/p/tag/golang" 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