99 lines
4.1 KiB
C#
99 lines
4.1 KiB
C#
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using System;
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using System.Collections.Generic;
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//using System.Linq;
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using System.Web;
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using WeiSha.Common;
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using Song.ServiceInterfaces;
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using VTemplate.Engine;
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namespace Song.Site
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{
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/// <summary>
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/// 资讯列表
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/// </summary>
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public class NewsList : BasePage
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{
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//资讯栏目Id
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private int colid = WeiSha.Common.Request.QueryString["colid"].Int32 ?? 0;
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protected override void InitPageTemplate(HttpContext context)
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{
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//获取所有栏目
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Song.Entities.Columns[] cols = Business.Do<IColumns>().ColumnCount(this.Organ.Org_ID, colid, "news", true, -1);
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this.Document.SetValue("cols", cols);
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//
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this.Document.SetValue("colid", colid);
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//当前栏目
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Song.Entities.Columns col = Business.Do<IColumns>().Single(colid);
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this.Document.SetValue("col", col);
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//资讯列表
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Tag newsTag = this.Document.GetChildTagById("newslist");
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if (newsTag != null)
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{
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//每页多少条记录
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int newsSize = int.Parse(newsTag.Attributes.GetValue("size", "10"));
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//资讯栏目
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int columns = int.Parse(newsTag.Attributes.GetValue("columns", "-1"));
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columns=columns<=0 ? colid : columns;
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//简介的输出长度
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int introlen = int.Parse(newsTag.Attributes.GetValue("introlen", "200"));
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int index = WeiSha.Common.Request.QueryString["index"].Int32 ?? 1;
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int sum = 0;
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Song.Entities.Article[] news = Business.Do<IContents>().ArticlePager(Organ.Org_ID, columns, true, "", newsSize, index, out sum);
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foreach (Song.Entities.Article art in news)
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{
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art.Art_Logo = Upload.Get["News"].Virtual + art.Art_Logo;
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if (string.IsNullOrWhiteSpace(art.Art_Intro))
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{
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art.Art_Intro = ReplaceHtmlTag(art.Art_Details, introlen);
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}
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}
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this.Document.SetValue("newslist", news);
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//总页数
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int pageSum = (int)Math.Ceiling((double)sum / (double)newsSize);
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int[] pageAmount = new int[pageSum];
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for (int i = 0; i < pageAmount.Length; i++)
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pageAmount[i] = i + 1;
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this.Document.SetValue("pageAmount", pageAmount);
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this.Document.SetValue("pageIndex", index);
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}
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//通知公告
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Tag noTag = this.Document.GetChildTagById("notice");
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if (noTag != null)
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{
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int noCount = int.Parse(noTag.Attributes.GetValue("count", "10"));
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Song.Entities.Notice[] notice = Business.Do<INotice>().GetCount(Organ.Org_ID, true, noCount);
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this.Document.SetValue("notice", notice);
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}
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this.Document.RegisterGlobalFunction(this.getColumns);
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}
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/// <summary>
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/// 去除HTML标签，并返回指定长度
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/// </summary>
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/// <param name="html"></param>
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/// <param name="length"></param>
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/// <returns></returns>
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public string ReplaceHtmlTag(string html, int length = 0)
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{
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string strText = System.Text.RegularExpressions.Regex.Replace(html, "<[^>]+>", "");
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strText = System.Text.RegularExpressions.Regex.Replace(strText, "&[^;]+;", "");
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if (length > 0 && strText.Length > length)
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return strText.Substring(0, length);
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return strText;
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}
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/// <summary>
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/// 获取资讯栏目
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/// </summary>
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/// <param name="para">参数一个，取几个栏目</param>
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/// <returns></returns>
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protected Song.Entities.Columns[] getColumns(object[] para)
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{
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int count = 0;
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if (para.Length > 0 && para[0] is int)
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int.TryParse(para[0].ToString(), out count);
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Song.Entities.Columns[] sts = Business.Do<IColumns>().ColumnCount(Organ.Org_ID, "News", true, count);
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return sts;
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}
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}
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}
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