背景:[JAVA]前几天面试超碧,聊到其接触的项目,有抓取各类排行的实时数据,进行多国语言翻译,抓取目前比较火的语言是php、go,由于目前工作使用JAVA,因此也模拟实现了一下抓取百度热搜榜实时数据。
效果:
步骤:
1、寻址【百度热搜榜】https://top.baidu.com/board?tab=realtime&sa=fyb_realtime_31065
2、寻工具 【Jsoup】可按CSS、标签解析,感谢大牛的组件
3、分析新闻的主要消息,类型、图片、标题、内容、超链接、推荐指数
4、按照分类解析并存储
分享:
1、引用依赖
1 <dependency> 2 <groupId>com.alibaba</groupId> 3 <artifactId>fastjson</artifactId> 4 <version>1.2.60</version> 5 </dependency> 6 <dependency> 7 <groupId>org.jsoup</groupId> 8 <artifactId>jsoup</artifactId> 9 <version>1.12.1</version> 10 </dependency>
2、News实体
1 import lombok.Data; 2 3 @Data 4 public class News { 5 private String img; 6 private String title; 7 private String content; 8 private String url; 9 private String level; 10 }
3、解析函数
1 /** 2 * 抓取百度热点排行榜 3 * @return 4 */ 5 public static void grabBaiduHotNewsJson(){ 6 String url = \"https://top.baidu.com/board?tab=realtime&sa=fyb_realtime_31065\"; 7 List<News> list = new ArrayList<>(); 8 try { 9 Document doc = Jsoup.connect(url).get(); 10 //标题 11 Elements titles = doc.select(\".c-single-text-ellipsis\"); 12 //图片 13 Elements imgs = doc.select(\".category-wrap_iQLoo .index_1Ew5p\").next(\"img\"); 14 //内容 15 Elements contents = doc.select(\".hot-desc_1m_jR.large_nSuFU\"); 16 //推荐图 17 Elements urls = doc.select(\".category-wrap_iQLoo a.img-wrapper_29V76\"); 18 //热搜指数 19 Elements levels = doc.select(\".hot-index_1Bl1a\"); 20 for (int i = 0; i < levels.size(); i++) { 21 News o = new News(); 22 o.setTitle(titles.get(i).text().trim()); 23 o.setImg(imgs.get(i).attr(\"src\")); 24 o.setContent(contents.get(i).text().replaceAll(\"查看更多>\", \"\").trim()); 25 o.setUrl(urls.get(i).attr(\"href\")); 26 o.setLevel(levels.get(i).text().trim()); 27 list.add(o); 28 } 29 System.out.println(JSONArray.toJSONString(list)); 30 } catch (IOException e) { 31 e.printStackTrace(); 32 } 33 }
4、抓取结果
[{\"content\":\"香港已经回归祖国25年。***指出:“中央政府将继续坚定不移贯彻‘一国两制’方针和基本法,坚定不移维护香港长期繁荣稳定。”\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/347f3044e94adc700ddeb02fd4e224b5?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4940548\",\"title\":\"坚定不移维护香港长期繁荣稳定\",\"url\":\"https://www.baidu.com/s?wd=%E5%9D%9A%E5%AE%9A%E4%B8%8D%E7%A7%BB%E7%BB%B4%E6%8A%A4%E9%A6%99%E6%B8%AF%E9%95%BF%E6%9C%9F%E7%B9%81%E8%8D%A3%E7%A8%B3%E5%AE%9A&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"工信部网站消息,为落实党中央、国务院关于“外防输入、内防反弹”总策略和“动态清零”总方针,方便用户出行,即日起取消通信行程卡“星号”标记。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/876f637dcc5b9f59fdeb07932b315372?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4938518\",\"title\":\"工信部:通信行程卡取消星号标记\",\"url\":\"https://www.baidu.com/s?wd=%E5%B7%A5%E4%BF%A1%E9%83%A8%EF%BC%9A%E9%80%9A%E4%BF%A1%E8%A1%8C%E7%A8%8B%E5%8D%A1%E5%8F%96%E6%B6%88%E6%98%9F%E5%8F%B7%E6%A0%87%E8%AE%B0&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"6月29日,上海多地出现暴雨。大雨倾盆瞬间白昼如夜。目前,上海雷电、大风、暴雨、冰雹四项预警高挂。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/d94eb1126814e7ce51a39435829ce183?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4882215\",\"title\":\"实拍上海暴雨:大雨倾盆白昼如夜\",\"url\":\"https://www.baidu.com/s?wd=%E5%AE%9E%E6%8B%8D%E4%B8%8A%E6%B5%B7%E6%9A%B4%E9%9B%A8%EF%BC%9A%E5%A4%A7%E9%9B%A8%E5%80%BE%E7%9B%86%E7%99%BD%E6%98%BC%E5%A6%82%E5%A4%9C&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"7月即将来临,一批新规也即将实施。这些新规和生活息息相关,包括计划生育家庭扶助标准提高,铁路旅客禁止、限制携带物品有新变化等内容。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/69713708702b643a8ed70a8b4a2bed73?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4719889\",\"title\":\"跟生活息息相关!这些新规7月实施\",\"url\":\"https://www.baidu.com/s?wd=%E8%B7%9F%E7%94%9F%E6%B4%BB%E6%81%AF%E6%81%AF%E7%9B%B8%E5%85%B3%EF%BC%81%E8%BF%99%E4%BA%9B%E6%96%B0%E8%A7%847%E6%9C%88%E5%AE%9E%E6%96%BD&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"当地时间28日,美以5家中企支持俄军方为由将其列入黑名单。中国驻美大使馆对此表示,中方没有这么做,并称将采取“必要措施”来保护中国公司的权益。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/362ab1deb5cbbee459abeb97d0794518?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4636600\",\"title\":\"中使馆回应美将5家中企列入黑名单\",\"url\":\"https://www.baidu.com/s?wd=%E4%B8%AD%E4%BD%BF%E9%A6%86%E5%9B%9E%E5%BA%94%E7%BE%8E%E5%B0%865%E5%AE%B6%E4%B8%AD%E4%BC%81%E5%88%97%E5%85%A5%E9%BB%91%E5%90%8D%E5%8D%95&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"截至当地时间6月28日美股收盘,耐克大跌近7%,市值一日蒸发120亿美元,约合805亿元人民币。同时,耐克股价盘中一度跌至102.48美元/股。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/e92c21c57af235c1228554b76d5fa304?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4535145\",\"title\":\"耐克市值一夜蒸发800多亿\",\"url\":\"https://www.baidu.com/s?wd=%E8%80%90%E5%85%8B%E5%B8%82%E5%80%BC%E4%B8%80%E5%A4%9C%E8%92%B8%E5%8F%91800%E5%A4%9A%E4%BA%BF&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"2022国际泳联世锦赛上,全红婵在颁奖之后和粉丝握手互动,期间有个观众喊道:“我是搞笑女!”全红婵也笑着回道:“我也是搞笑女!”引得大家阵阵欢笑。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/c9d2f9bcbc26f3e9da6ae6f95244995c?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4445510\",\"title\":\"全红婵称自己是搞笑女\",\"url\":\"https://www.baidu.com/s?wd=%E5%85%A8%E7%BA%A2%E5%A9%B5%E7%A7%B0%E8%87%AA%E5%B7%B1%E6%98%AF%E6%90%9E%E7%AC%91%E5%A5%B3&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"近日,甘肃省博物馆出的一款“马踏飞燕”文创玩偶,凭“丑萌”一夜间火速出圈,直接断货。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/7b6de5ca3407d50903d0fba18be6974c?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4331120\",\"title\":\"“马踏飞燕”玩偶凭丑萌火出圈\",\"url\":\"https://www.baidu.com/s?wd=%E2%80%9C%E9%A9%AC%E8%B8%8F%E9%A3%9E%E7%87%95%E2%80%9D%E7%8E%A9%E5%81%B6%E5%87%AD%E4%B8%91%E8%90%8C%E7%81%AB%E5%87%BA%E5%9C%88&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"截至6月29日,“天问一号”任务环绕器和火星车均完成既定科学探测任务。天问一号近期拍摄的火星影像公布。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/99e8f9f18092e3648e95d936626bf522?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4230336\",\"title\":\"天问一号公布近期拍摄火星影像\",\"url\":\"https://www.baidu.com/s?wd=%E5%A4%A9%E9%97%AE%E4%B8%80%E5%8F%B7%E5%85%AC%E5%B8%83%E8%BF%91%E6%9C%9F%E6%8B%8D%E6%91%84%E7%81%AB%E6%98%9F%E5%BD%B1%E5%83%8F&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"6月25日,广东深圳一女店长遭男顾客三次咸猪手,上前理论男方却装醉。女店长表示,当时忙于生意没有报警,目前警方已介入。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/6c38d3fc044d4ea8bc24b6199e4ef96a?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4153528\",\"title\":\"女店长回应遭男顾客三次咸猪手\",\"url\":\"https://www.baidu.com/s?wd=%E5%A5%B3%E5%BA%97%E9%95%BF%E5%9B%9E%E5%BA%94%E9%81%AD%E7%94%B7%E9%A1%BE%E5%AE%A2%E4%B8%89%E6%AC%A1%E5%92%B8%E7%8C%AA%E6%89%8B&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"\",\"img\":\"https://fyb-1.cdn.bcebos.com/fyb/de6163834f53ca92c1273fff98ac9078.jpeg?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"4024127\",\"title\":\"新生儿臂丛神经被医生拉断 生母发声\",\"url\":\"https://www.baidu.com/s?wd=%E6%96%B0%E7%94%9F%E5%84%BF%E8%87%82%E4%B8%9B%E7%A5%9E%E7%BB%8F%E8%A2%AB%E5%8C%BB%E7%94%9F%E6%8B%89%E6%96%AD+%E7%94%9F%E6%AF%8D%E5%8F%91%E5%A3%B0&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"在石家庄某小区,过半的楼房已是D级危房,可仍有人在里面长期居住,大多是老人。这些老人被开发商骗走购房款,又因年纪大被中介拒绝租不到房。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/8431f069902463c97defaa78ae7055f4?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"3901819\",\"title\":\"住在城市危房中的老人们\",\"url\":\"https://www.baidu.com/s?wd=%E4%BD%8F%E5%9C%A8%E5%9F%8E%E5%B8%82%E5%8D%B1%E6%88%BF%E4%B8%AD%E7%9A%84%E8%80%81%E4%BA%BA%E4%BB%AC&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"近日,山寨男团ESO登上多个热搜,引发全网关注。前有黄子诚退出ESO,后有易烊干玺加入ESO,不少网友也在纷纷热议。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/a83f72c23c10b3439d66caa098ebd3b1?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"3806658\",\"title\":\"山寨男团ESO出道 碰瓷鹿晗易烊千玺\",\"url\":\"https://www.baidu.com/s?wd=%E5%B1%B1%E5%AF%A8%E7%94%B7%E5%9B%A2ESO%E5%87%BA%E9%81%93+%E7%A2%B0%E7%93%B7%E9%B9%BF%E6%99%97%E6%98%93%E7%83%8A%E5%8D%83%E7%8E%BA&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"6月3日,35岁的单亲妈妈李女士发现,邻居邓某趁自己不在家非法进屋。据悉,邓某曾入室翻其内衣裤。6月28日,邓某被刑事拘留,后被取保候审。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/f3a188f292f63d333e75453483cca1ff?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"3753138\",\"title\":\"35岁单亲妈妈住宅遭男邻居非法侵入\",\"url\":\"https://www.baidu.com/s?wd=35%E5%B2%81%E5%8D%95%E4%BA%B2%E5%A6%88%E5%A6%88%E4%BD%8F%E5%AE%85%E9%81%AD%E7%94%B7%E9%82%BB%E5%B1%85%E9%9D%9E%E6%B3%95%E4%BE%B5%E5%85%A5&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"自6月26日0时至29日8时,安徽省宿州市泗县已累计发现阳性感染者29例,其疫情已关联外省。\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/2fd4550d7bee657088b9a055f1214298?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"3600326\",\"title\":\"安徽一县城累计新增29例 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5G基带芯片开发可能已经失败,高通将继续成为新iPhone的5G芯片...\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/26b8e6f7dd5da5984203f750707c5752?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"2211744\",\"title\":\"苹果自研5G芯片或已失败\",\"url\":\"https://www.baidu.com/s?wd=%E8%8B%B9%E6%9E%9C%E8%87%AA%E7%A0%945G%E8%8A%AF%E7%89%87%E6%88%96%E5%B7%B2%E5%A4%B1%E8%B4%A5&sa=fyb_news&rsv_dl=fyb_news\"},{\"content\":\"6月28日,《新型冠状病毒肺炎防控方案(第九版)》正式发布。这是一个迟来的方案,距离上一版《防控方案》发布过去了13个月,这背后发生了什么?\",\"img\":\"https://fyb-1.cdn.bcebos.com/hotboard_img/d06212c4e0bf4112dcab8d026094aa8b?x-bce-process=image/resize,m_fill,w_256,h_170\",\"level\":\"2183886\",\"title\":\"新疫情防控方案发布 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总结:在数据驱动的大背景下,数据挖掘至关重要,如何高效的获取信息是一个值得探讨的主题。
来源:https://www.cnblogs.com/chenyjccxy/p/16423807.html
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