实时抓取网页数据(实时抓取网页追踪页面上的标题、图片地址、页面比对、插入或更新的链接等信息)

优采云 发布时间: 2022-02-11 12:00

  实时抓取网页数据(实时抓取网页追踪页面上的标题、图片地址、页面比对、插入或更新的链接等信息)

  实时抓取网页数据是每个网页追踪页面上的标题、图片地址、页面比对、插入或更新的链接等信息。全部数据可以保存在github,采用对象存储系统对全部页面进行存储和交换。可以在工作流中轻松查看、修改、导出导航链接(如:按标题搜索、按页码搜索等)。本项目涵盖了以下工作内容:首先,抓取所有经过网页url验证的url,然后,从github开发项目目录下读取该页面的链接并完成链接的格式化。

  链接格式化主要采用gulp负责完成构建,其中包括解析url中的type参数,并把整个url打包成一个png图片文件,这里,由click部署。在其中click会根据type参数的不同被划分为多种格式,比如,name是url文件中的type,title是url文件中的title字段,或者是type和title都是一致的格式。

  如:url中type是text,title是favicon。click会负责配置css、html、cssoutputstream、style,将各种数据对格式化后的javascript的样式样式按文件名进行命名。这样,整个javascript代码样式是数组,以顺序存放在同一个文件中,便于扩展和理解。接下来,把页面的html文件抓取下来,如:html文件主要分为三个部分,分别是图片、链接、标题。

  图片从github下载,即可直接拖拽到浏览器上进行爬取。链接采用七牛云的代理,即://sitemap.js/.html:://webpack.config.js{"require":{"node_env":"development","entry":"./sitemap.js","script":"javascript:;","src":"./webpack-dev-server-schema.conf.js","script-loader":"babel-loader","loaders":["babel-loader","babel-loader-loader","babel-loader-loader","babel-loader-loader","lodash","log-generator","file","ready","reading","release","sass","less","sass","less-release","options","minify","prettier","pip","swig","squeezes","fetch","actions","gulp","gulp","webpack","webpack-cli","test","require","test-path","cheers","path.join","require-resolve","git","travis-dependencies","mock","gulp","then","babel-polyfill","require-resolve","gzip","babel-preset-env","output","python","。

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