DtCms.ActionLabel.Products.cs

最新推荐文章于 2025-01-09 11:48:47 发布

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最新推荐文章于 2025-01-09 11:48:47 发布

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原文链接：http://www.cnblogs.com/xiyang120/archive/2011/04/27/2030360.html

本文介绍了一种通过C#实现的产品列表展示方法，包括产品图片列表和文字列表的生成方式。该方法利用StringBuilder拼接HTML代码，从数据库获取产品数据，并支持自定义显示数量、字符长度等参数。

using System;
using System.Text;
using System.Data;
using DtCms.Common;

namespace DtCms.ActionLabel
{
    public class Products
    {
        /// <summary>
        /// 产品图片列表
        /// </summary>
        /// <param name="top">显示条数</param>
        /// <param name="txtNum">显示字符,注意一个汉字等于二个字节</param>
        /// <param name="imgW">预览图宽度</param>
        /// <param name="imgH">预览图高度</param>
        /// <param name="strWhere">查询条件</param>
        /// <param name="orderby">排序条件</param>
        /// <returns></returns>
        public static string ViewImgList(int top, int txtNum, int imgW, int imgH, string strWhere, string orderby)
        {
            DtCms.BLL.Products bll = new DtCms.BLL.Products();
            StringBuilder strTxt = new StringBuilder();
            DataSet ds = bll.GetList(top, strWhere, orderby);
            //如果记录存在
            if (ds.Tables[0].Rows.Count > 0)
            {
                for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
                {
                    DataRow dr = ds.Tables[0].Rows[i];
                    strTxt.Append("<li>");
                    strTxt.Append("<a target=\"_blank\" href=\"Product_View.aspx?id=" + dr["ID"] + "\">");
                    strTxt.Append("<img src=\"/Tools/Http_ImgLoad.ashx?w=" + imgW + "&h=" + imgH + "&gurl=" + dr["ImgUrl"] + "\" alt=\"" + dr["Title"].ToString() + "\" />");
                    strTxt.Append("</a>");
                    strTxt.Append("<span><a target=\"_blank\" title=\"" + dr["Title"].ToString() + "\" href=\"Product_View.aspx?id=" + dr["Id"] + "\">" + StringPlus.CutString(dr["Title"].ToString(), txtNum) + "</a></span>");
                    strTxt.Append("</li>\n");
                }
            }
            else
            {
                strTxt.Append("<div>暂无数据显示...</div>");
            }
            return strTxt.ToString();
        }

        /// <summary>
        /// 首页文字产品
        /// </summary>
        /// <param name="top">显示条数</param>
        /// <param name="txtNum">标题字数</param>
        /// <param name="isTime">是否显示时间</param>
        /// <param name="chrico">标题前符号</param>
        /// <param name="strWhere">查询条件</param>
        /// <param name="orderby">排序条件</param>
        /// <returns></returns>
        public static string ViewTxtList(int top, int txtNum, int isTime, string chrico, string strWhere, string orderby)
        {
            DtCms.BLL.Products bll = new DtCms.BLL.Products();
            StringBuilder strTxt = new StringBuilder();
            DataSet ds = bll.GetList(top, strWhere, orderby);
            //如果记录存在
            if (ds.Tables[0].Rows.Count > 0)
            {
                for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
                {
                    DataRow dr = ds.Tables[0].Rows[i];
                    strTxt.Append("<li>");
                    if (isTime == 1)
                    {
                        strTxt.Append("<span>[" + string.Format("{0:MM-dd}", dr["AddTime"]) + "]</span>");
                    }
                    strTxt.Append(chrico);
                    if (i < 3)
                    {
                        strTxt.Append("<em class=\"hot\">" + (i + 1) + "</em>");
                    }
                    else
                    {
                        strTxt.Append("<em>" + (i + 1) + "</em>");
                    }
                    strTxt.Append("<a target=\"_blank\" title=\"" + dr["Title"].ToString() + "\" href=\"Product_View.aspx?id=" + dr["Id"] + "\">" + StringPlus.CutString(dr["Title"].ToString(), txtNum) + "</a>");
                    strTxt.Append("</li>\n");
                }
            }
            else
            {
                strTxt.Append("<div>暂无数据显示...</div>");
            }
            return strTxt.ToString();
        }

        public static string ViewTxtList2(int top, int txtNum, int isTime, string chrico, string strWhere, string orderby)
        {
            DtCms.BLL.Products bll = new DtCms.BLL.Products();
            StringBuilder strTxt = new StringBuilder();
            DataSet ds = bll.GetList(top, strWhere, orderby);
            //如果记录存在
            if (ds.Tables[0].Rows.Count > 0)
            {
                for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
                {
                    DataRow dr = ds.Tables[0].Rows[i];
                    strTxt.Append("<li>");
                    if (isTime == 1)
                    {
                        strTxt.Append("<span>[" + string.Format("{0:MM-dd}", dr["AddTime"]) + "]</span>");
                    }
                    strTxt.Append(chrico);
                    strTxt.Append("<a target=\"_blank\" title=\"" + dr["Title"].ToString() + "\" href=\"Product_View.aspx?id=" + dr["Id"] + "\">" + StringPlus.CutString(dr["Title"].ToString(), txtNum) + "</a>");
                    strTxt.Append("</li>\n");
                }
            }
            else
            {
                strTxt.Append("<div>暂无数据显示...</div>");
            }
            return strTxt.ToString();
        }

    }
}

转载于:https://www.cnblogs.com/xiyang120/archive/2011/04/27/2030360.html