网络上的信息是任何人穷极一生也无法全部了解的。你需要的或许不是简单的获得信息，而是一个可以收集，整理，分析信息，并且具有拓展性的方法。 你需要网页抓取（Web scraping）技术。 网页抓取可以自动提取网站上的数据信息，并把这些信息用一种容易 ...

Web scraping has been used to extract data from websites almost from the time the World Wide Web was born. In the early days, scraping was mainly done on static pages – those with known elements, tags ...

Web scraping has been used to extract data from websites almost from the time the World Wide Web was born. In the early days, scraping was mainly done on static pages – those with known elements, tags ...

While most people have heard of web scraping, far fewer likely realize just how widespread the practice actually is. As technology has grown incrementally, professionals from various industries have ...

Web scraping is the act of programmatically harvesting data from a webpage. It consists of finding a way to format the URLs to pages containing useful information, and then parsing the DOM tree to get ...