Project_Net4/010_浙江高速/002_高速驿站-分支/HighWay.WebSite/API/gethousepics.ashx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using System.Text;
using System.Data;
using System.Collections;
using SuperMap.RealEstate.Utility;
using SRAI = SuperMap.RealEstate.Archives.Image;

using System.Web.Script.Serialization;

namespace SuperMap.RealEstate.HousingSecurity.API
{
    /// <summary>
    /// 提供给房源管理页，获取房屋关联的图片列表，直接返回HTML输出
    /// 【数据源】
    /// </summary>
    public class gethousepics : IHttpHandler
    {
        public void ProcessRequest(HttpContext context)
        {
            List<Hashtable> list = new List<Hashtable>();

            StringBuilder htm = new StringBuilder();
            string _CaseFileIDstr = context.Request.QueryString["CaseFileID"];
            string _ScanFileIDstr = context.Request.QueryString["ScanFileID"];
            long _CaseFileID = 0;
            long _ScanFileID = 0;
            long.TryParse(_CaseFileIDstr, out _CaseFileID);
            long.TryParse(_ScanFileIDstr, out _ScanFileID);

            string _MaterialIDstr = context.Request.QueryString["MaterialID"];
            string _ProinstScanFileIDstr = context.Request.QueryString["ProinstScanFileID"];
            long _MaterialID = 0;
            long _ProinstScanFileID = 0;
            long.TryParse(_MaterialIDstr, out _MaterialID);
            long.TryParse(_ProinstScanFileIDstr, out _ProinstScanFileID);

            try
            {
                 if (_ScanFileID != 0)
                 {
                     #region 传入扫描件内码
                     ServiceModel.Transaction _Transaction = new ServiceModel.Transaction();
                    SRAI.Business.ScanFile _ScanFile = new SRAI.Business.ScanFile(_Transaction);
                    _ScanFile.ScanFile_ID = _ScanFileID;
                    if (_ScanFile.Select())
                    {
                        Hashtable ht = null;
                        ht = new Hashtable();
                        ht.Add("id", _ScanFile.ScanFile_ID.ToString());
                        ht.Add("title", _ScanFile.ScanFile_Name);
                        ht.Add("url", _ScanFile.ScanFile_Path);
                        list.Add(ht);
                    }
                     #endregion
                 }
                else if (_CaseFileID != 0)
                {
                    #region 传入卷内目录
                    using (SRAI.Business.ScanFile _pics = new SRAI.Business.ScanFile())
                    {

                        List<SRAI.Business.ScanFile> _ScanFileCollection = _pics.FillCollection(string.Format("where {0}={1} order by scanfile_index", SRAI.Interface.TableSchema_ScanFile.CaseFile_ID, _CaseFileID));
                        if (_ScanFileCollection.Count > 0)
                        {
                            Hashtable ht = null;
                            for (int i = 0; i < _ScanFileCollection.Count; i++)
                            {
                                ht = new Hashtable();
                                ht.Add("id", _ScanFileCollection[i].ScanFile_ID.ToString());
                                ht.Add("title", _ScanFileCollection[i].ScanFile_Name);
                                ht.Add("url", _ScanFileCollection[i].ScanFile_Path);
                                //加入
                                list.Add(ht);


                            }
                        }

                    }
                    #endregion
                }
                 else if (_ProinstScanFileID != 0)
                 {
                     #region 传入扫描件内码
                     ServiceModel.Transaction _Transaction = new ServiceModel.Transaction();
                     SRAI.Business.ProinstScanFile _ScanFile = new SRAI.Business.ProinstScanFile(_Transaction);
                     _ScanFile.ProinstScanFile_ID = _ProinstScanFileID;
                     if (_ScanFile.Select())
                     {
                         Hashtable ht = null;
                         ht = new Hashtable();
                         ht.Add("id", _ScanFile.ProinstScanFile_ID.ToString());
                         ht.Add("title", _ScanFile.ScanFile_Name);
                         ht.Add("url", _ScanFile.ScanFile_Path);
                         list.Add(ht);
                     }
                     #endregion
                 }
                 else if (_MaterialID != 0)
                 {
                     #region 流程资料目录
                     using (SRAI.Business.ProinstScanFile _pics = new SRAI.Business.ProinstScanFile())
                     {

                         List<SRAI.Business.ProinstScanFile> _ScanFileCollection = _pics.FillCollection(string.Format("where {0}={1} order by scanfile_index", SRAI.Interface.TableSchema_ProinstScanFile.Material_ID, _MaterialID));
                         if (_ScanFileCollection.Count > 0)
                         {
                             Hashtable ht = null;
                             for (int i = 0; i < _ScanFileCollection.Count; i++)
                             {
                                 ht = new Hashtable();
                                 ht.Add("id", _ScanFileCollection[i].ProinstScanFile_ID.ToString());
                                 ht.Add("title", _ScanFileCollection[i].ScanFile_Name);
                                 ht.Add("url", _ScanFileCollection[i].ScanFile_Path);
                                 list.Add(ht);
                             }
                         }

                     }
                     #endregion
                 }

            }
            catch (Exception ex)
            {
                htm.Append("get housepics error:" + ex.Message);
            }

            StringBuilder buider = new StringBuilder();
            JavaScriptSerializer json = new JavaScriptSerializer(new SimpleTypeResolver());
            json.MaxJsonLength = Int32.MaxValue;
            json.Serialize(list, buider);
            //【输出】application/json;charset=utf-8
            context.Response.ContentType = "application/json";
            context.Response.Charset = "utf-8";
            context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");
            context.Response.Write(buider.ToString());
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}