用DOM实现文章采集--通过jquery语法式的方法采集指定对象的文本(5)

            foreach (var n in _HtmlNodes) 
            { 
                IEnumerable<HtmlNode> v; 
                if (_expre.StartsWith(".")) 
                { 
                    v = Class(n, _expre); 
                } 
                else 
                { 
                    v = NodeType(n, _expre); 
                } 
 
 
                list.AddRange(FunAction(v, fun, index, keyword)); 
            } 
            return list; 
        } 
    } 
    #region 函数处理 
    /// <summary> 
    /// 函数处理 www.2cto.com  
    /// </summary> 
    /// <param name="v"></param> 
    /// <param name="fun"></param> 
    /// <returns></returns> 
    private IEnumerable<HtmlNode> FunAction(IEnumerable<HtmlNode> v, string fun, int index, string keyword) 
    { 
        switch (fun.ToLower()) 
        { 
            case "eq": 
                return v.Where((nn, _index) => _index == index); 
            case "lt": 
                return v.Where((nn, _index) => _index < index); 
            case "gt":