JSON用法

       function  readNews(newsIdx){
                  http.open("GET","readNews4Edit.aspx?ID="+newsIdx,false );
                  http.send("");
                  var data=http.responseText;
                  if(data.charAt(0)=='1'&& data.charAt(1)==':'){
                     alert(data );
                  
                  }
                  else {
                  /*"{typeId:0,author:/"/",chl:0,content:/"/",url:/"/",examid:0,dir1:0,dir2:0,dir3:0,dir4:0,vic:0,vie:0,vip:0,key:/"/",desc:/"/",
                  pub:/"/",ord:0, src:/"/",subject:0,tit:/"/",
                  tc:/"/",tf:/"/"}"*/
                     var json=eval("("+data+")");
                    var nes=new newsData();
              
                    nes.title =decodeURI(json.tit);
                    nes.titleColor =decodeURI(json.tc);
                    nes.titleFont =decodeURI(json.tf);
                    nes.description = decodeURI(json.desc);
                    nes.keyword = decodeURI(json.key);

                    nes.source =decodeURI(json.src);
                    nes.typeid =json.typeId;
                    nes.channelId = json.chl;
                    nes.examId =json.examid;
                    nes.subjectId = json.subject;

                    nes.newsDirId1 = json.dir1;
                    nes.newsDirId2 = json.dir2;
                    nes.newsDirId3 = json.dir3;
                    nes.newsDirId4 = json.dir4;

                    nes.author =decodeURI( json.author);
                    nes.publisher =decodeURI( json.pub);
                    nes.orderId = json.ord;
                    nes.content =decodeURI( json.content);
                    nes.urlSkipLink =decodeURI( json.url);

                    nes.viewInPage=json.vip;
                    nes.viewInChannel=json.vic;
                    nes.viewInExam=json.vie;
                  
                    initNews(nes);
                  }
       
       }

public class ReadNewsHttpHandler:IHttpHandler
{
    public ReadNewsHttpHandler()
    {
        //
        // TODO: Add constructor logic here
        //
    }

    #region IHttpHandler Members

    public bool IsReusable
    {
        get {  return false  ; }
    }

    public void ProcessRequest(HttpContext context)
    {
        string res = context.Request.QueryString["id"].Trim ();
       
        context.Response.Clear ();
        context.Response.Expires =-1;
        if (string.IsNullOrEmpty(res )==false &&   Regex.IsMatch(res, @"^[1-9]/d{0,8}$")==true )
        {
            int ks = int.Parse(res);
            DataAccess.InforDataAccess ida = new InforDataAccess();
            Information[]  nfs = ida.InformationGetList(0, 1, string.Format(" Idx={0} ", ks), "");
            if (nfs != null && nfs.Length == 1)
            {
                Information nf = nfs[0];
                nf.Contents =ida.InformationGetContent(nf.Idx );

                StringBuilder sb = new StringBuilder();
               

                sb.Append("{");

                sb.AppendFormat("typeId:{0},", nf.TypeId);

                sb.AppendFormat("author:/"{0}/",", HttpUtility.UrlEncode(nf.Author));

                sb.AppendFormat("chl:{0},", nf.ChannelId);

                sb.AppendFormat("content:/"{0}/",", HttpUtility.UrlEncode(nf.Contents ));

                sb.AppendFormat("url:/"{0}/",", HttpUtility.UrlEncode(nf.DirectUrl));

                sb.AppendFormat("examid:{0},", nf.ExamId);

                sb.AppendFormat("dir1:{0},", nf.FirstLM);

                sb.AppendFormat("dir2:{0},", nf.SecodLM);

                sb.AppendFormat("dir3:{0},", nf.ThirdLM);

                sb.AppendFormat("dir4:{0},", nf.ForthLM);

                sb.AppendFormat("vic:{0},", nf.IfViewInChannel ? 1 : 0);

                sb.AppendFormat("vie:{0},", nf.IfViewInExam ? 1 : 0);

                sb.AppendFormat("vip:{0},", nf.IfViewInPage ? 1 : 0);

                sb.AppendFormat("key:/"{0}/",", HttpUtility.UrlEncode(nf.KeyWords));

                sb.AppendFormat("desc:/"{0}/",", HttpUtility.UrlEncode(nf.PageDesc));

                sb.AppendFormat("pub:/"{0}/",", HttpUtility.UrlEncode(nf.Publisher));

                sb.AppendFormat("ord:{0}, ", nf.ShowOrder);

                sb.AppendFormat("src:/"{0}/",", HttpUtility.UrlEncode(nf.Source));

                sb.AppendFormat("subject:{0},", nf.Subjects);

                sb.AppendFormat("tit:/"{0}/",", HttpUtility.UrlEncode(nf.Title));

                sb.AppendFormat("tc:/"{0}/",", HttpUtility.UrlEncode(nf.TitleColor));

                sb.AppendFormat("tf:/"{0}/"", HttpUtility.UrlEncode(nf.TitleFont));

                sb.Append("}");

                context.Response.Write(sb.ToString());
            }

            else
            {
                context.Response.Write("1:指定的咨讯条目不存在！");
            }
           
        }
        else
        {
            context.Response.Write("1:参数ID不存在或是格式不正确！");
        }
    }

    #endregion
}