jsoup是一个Java HTML Parser。能够从URL、文件或字符串解析HTML。利用DOM遍历或CSS选择器查找和抽取数据。能够操作HTML元素，属性和文本。能够依据一个白名单过滤用户提交的内容-jsoup is a Java HTML Parser. Able from the URL, file or string parsing HTML. Use DOM traversal or CSS selectors to find and extract data. Can manipulate HTML elements, attributes, and text. Able to filter based on a white list user submitted content