Method getTreeElement

scrapinglib/parser.py:286–289

根据表达式从`xmltree`中获取匹配值,默认 index 为 0

(self, tree: html.HtmlElement, expr, index=0)

        return ''

    def getTreeElement(self, tree: html.HtmlElement, expr, index=0):
        """ 根据表达式从`xmltree`中获取匹配值,默认 index 为 0
        """
        return getTreeElement(tree, expr, index)

    def getTreeAll(self, tree: html.HtmlElement, expr):
        """ 根据表达式从`xmltree`中获取全部匹配值