When inputting commonly used terms, a drop-down menu will prompt users with related keywords, allowing for more targeted search results.
2
文档各部分成为xml元素,并当作数据库中的字段处理—可以被定位、被排序、用于检索以及进行其他操作。
The document parts become XML elements and can be treated like fields in a database-able to be located, sorted, used for retrieval, and otherwise manipulated.
3
XPath提供从HTML文档树定位和检索单个节点或节点集所需的表达式语言。
XPath provides the expression language necessary to locate and retrieve individual nodes or node collections from the HTML document tree.