示例#1
0
 /// <summary>
 /// 扩展HtmlHelper
 /// </summary>
 /// <param name="html"></param>
 /// <param name="pagingInfo"></param>
 /// <param name="pageUrl">根据页面索引生成url的委托</param>
 /// <returns>分页链接</returns>
 public static MvcHtmlString PageLinks(this HtmlHelper html, PagingInfo pagingInfo, Func<int, string> pageUrl)
 {
     StringBuilder result = new StringBuilder();
     for (int i = 1; i <= pagingInfo.TotalPage; i++)
     {
         TagBuilder tag = new TagBuilder("a");   //创建一个<a>标签
         tag.MergeAttribute("href", pageUrl(i)); //设置a标签的href属性
         tag.InnerHtml = i.ToString();           //设置a标签的文本节点
         if (i==pagingInfo.CurrentPage)          //设置当前页的Class
         {
             tag.AddCssClass("selected");
         }
         result.Append(tag.ToString());
     }
     return MvcHtmlString.Create(result.ToString());
 }
示例#2
0
        public void Can_Generate_Page_Links()
        {
            //布置——定义一个HTML辅助器方法
            HtmlHelper myHelper = null;

            //布置——创建PagingInfo数据
            PagingInfo pagingInfo = new PagingInfo
            {
                CurrentPage = 2,
                TotalItems = 28,
                ItemsPerPage = 10
            };

            //布置——建立委托
            Func<int, string> pageUrlDelegate = i => "Page" + i;

            //动作
            MvcHtmlString result = myHelper.PageLinks(pagingInfo, pageUrlDelegate);

            //断言
            Assert.AreEqual(result.ToString(),@"<a href=""Page1"">1</a><a class=""selected"" href=""Page2"">2</a><a href=""Page3"">3</a>");
        }