使用 ASP.NET 生成 Html 分页代码

开发博客系统的时候使用了 NVelocity 模版引擎,在列表页的时候需要使用分页,所以自己写了个生成 Html 代码的分页。

使用NVelocity生成列表页面的时候比如是第一页把参数“1”和列表页的URL等传进去,生成当前页面的分页,然后用NVelocity替换生成后的代码,需要生成的代码示例:

<div class="pager">
	<div class="pagerbox">
		<a href="/?cid=0&tag=&key=&page=1">首页</a>
		<a href="/?cid=0&tag=&key=&page=1">上一页</a>
		<b>1</b>
		<a href="/?cid=0&tag=&key=&page=2">2</a>
		<a href="/?cid=0&tag=&key=&page=3">3</a>
		<a href="/?cid=0&tag=&key=&page=4">4</a>
		<a href="/?cid=0&tag=&key=&page=2">下一页</a>
		<a href="/?cid=0&tag=&key=&page=6">尾页</a>
	</div>
	<span>当前第1页,共6页, 共有53条记录。</span>
</div>

先来个效果图:

样式代码:

.pagerbox { float: left; }
.pager { margin: 20px 0px; }
    .pager span { line-height: 28px; float: right; }
.pagerbox a, .pagerbox b { background-color: #009AD9; border: 1px solid #009AD9; }
.pager .pagerbox a { color: #FFF; float: left; line-height: 28px; padding: 0 10px; margin-right: 2px; }
    .pager .pagerbox a:hover { color: #000000; border: 1px solid #148ec0; background: #f0f0f0; }
.pager .pagerbox b { float: left; font-weight: normal; padding: 0 10px; background: #fff; line-height: 28px; margin-right: 2px; }

后台代码:

      ///<summary>
        ///打印分页信息。
        ///</summary>
        ///<param name="recordCount">记录总数。</param>
        ///<param name="pageIndex">分页索引。</param>
        ///<param name="pageSize">分页大小。</param>
        ///<param name="pageLink">分页地址,{0}为当前页匹配。</param>
        /// <param name="nextPageText">下一页显示文本。</param>
        /// <param name="prevPageText">上一页显示文本。</param>
        /// <param name="homePageText">首页显示文本。</param>
        /// <param name="lastPageText">尾页显示文本。</param>
        /// <param name="displayMsg">显示消息文本。</param>
        /// <returns>返回分页的 Html 代码。</returns>
        public static string Print(int recordCount, int pageIndex, int pageSize, string pageLink, string nextPageText, string prevPageText, string homePageText, string lastPageText, string displayMsg)
        {
            if (pageSize < 1) { pageSize = 1; }
            if (pageIndex < 1) { pageIndex = 1; }
            //开始
            string html = string.Empty;
            string htmlLeftPage = string.Empty;
            string htmlRightPage = string.Empty;
            if (pageLink == string.Empty) { pageLink = "?"; }
            //开始计算
            long pageCount = 0;
            if (recordCount % pageSize == 0)
            {
                pageCount = recordCount / pageSize;
            }
            else
            {
                pageCount = (recordCount / pageSize) + 1;
            }
            for (int i = 2; i >= 1; i--)
            {
                if (pageIndex - i >= 1)
                {
                    htmlLeftPage += string.Format("<a href=\"{0}\">{1}</a>", string.Format(pageLink, (pageIndex - i)), pageIndex - i);
                }
            }
            for (int j = 1; j <= 2; j++)
            {
                if (pageIndex + j <= pageCount)
                {
                    htmlRightPage += string.Format("<a href=\"{0}\">{1}</a>", string.Format(pageLink, (pageIndex + j)), pageIndex + j);
                }
            }
            long prevPage = pageIndex - 1;
            if (prevPage < 1) { prevPage = 1; }
            long nextPage = pageIndex + 1;
            if (nextPage > pageCount) { nextPage = pageCount; }
            //最后处理
            if (nextPage < 1) { nextPage = 1; }
            if (pageCount < 1) { pageCount = 1; }
            //计算结束
         string leftHtml = string.Format("<a {0}>{1}</a><a {2}>{3}</a>{4}", pageIndex != 1 ? string.Format("href=\"{0}\"", string.Format(pageLink, 1)) : "", homePageText, pageIndex != prevPage ? string.Format("href=\"{0}\"", string.Format(pageLink, prevPage)) : "", prevPageText, htmlLeftPage);
            string rightHtml = string.Format("{0}<a {1}>{2}</a><a {3}>{4}</a>", htmlRightPage, pageIndex != nextPage ? string.Format("href=\"{0}\"", string.Format(pageLink, nextPage)) : "", nextPageText, pageIndex != pageCount ? string.Format("href=\"{0}\"", string.Format(pageLink, pageCount)) : "", lastPageText);
            html = string.Format("<div class=\"pagerbox\">{0}<b>{1}</b>{2}</div><span>{3}</span>", leftHtml, pageIndex, rightHtml, string.Format(displayMsg, pageIndex, pageCount, recordCount));
            return html;
        }
posted @ 2012-07-18 23:08 Charles Zhang 阅读(...) 评论(...) 编辑 收藏