71 lines
3.1 KiB
C#
71 lines
3.1 KiB
C#
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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using System.Text.RegularExpressions;
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namespace Song.Site.Mobile
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{
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/// <summary>
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/// 资讯列表页
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/// </summary>
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public class NewsList : BasePage
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{
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int colid = WeiSha.Common.Request.QueryString["colid"].Int32 ?? -1; //栏目id
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protected override void InitPageTemplate(HttpContext context)
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{
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if (Request.ServerVariables["REQUEST_METHOD"] == "GET")
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{
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Song.Entities.Columns col = Business.Do<IColumns>().Single(colid);
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this.Document.Variables.SetValue("column", col);
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}
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//此页面的ajax提交，全部采用了POST方式
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if (Request.ServerVariables["REQUEST_METHOD"] == "POST")
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{
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int size = WeiSha.Common.Request.Form["size"].Int32 ?? 10; //每页多少条
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int index = WeiSha.Common.Request.Form["index"].Int32 ?? 1; //第几页
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int sumcount = 0;
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Song.Entities.Article[] arts = Business.Do<IContents>().ArticlePager(Organ.Org_ID, colid, true, "", size, index, out sumcount);
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string json = "{\"size\":" + size + ",\"index\":" + index + ",\"sumcount\":" + sumcount + ",";
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json += "\"items\":[";
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for (int i = 0; i < arts.Length; i++)
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{
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Song.Entities.Article art = arts[i];
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//处理详情
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art.Art_Details = "";
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//art.Art_Details = Regex.Replace(art.Art_Details, @"\s{1,}", " ", RegexOptions.Singleline);
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//art.Art_Details = HttpUtility.UrlEncode(art.Art_Details);
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art.Art_Title = art.Art_Title.Replace("\"", """);
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art.Art_Title = art.Art_Title;
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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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art.Art_Intro = ReplaceHtmlTag(art.Art_Details, 50);
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json += art.ToJson() + ",";
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}
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if (json.EndsWith(",")) json = json.Substring(0, json.Length - 1);
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json += "]}";
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Response.Write(json);
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Response.End();
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}
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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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private 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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}
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} |