myshippingweb/Sources/mld/web/Classes/WHLStatusSearchTools.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Ivony.Html;
using Ivony.Html.Parser;
using System.Net;
using System.IO;
using System.Text;
using System.Data.SqlClient;

namespace web.Classes
{
    public class WHLStatusSearchTools
    {
        private static string _COOKIES = "";
        private static string _VIEWSTATUS = "";
        private static string _BLNO = "";
        public List<WHLModel> GetWHLData(string blno)
        {
            if (blno == "")
            {
                return null;
            }
            _BLNO = blno;
            //string status = GetViewStatus();
            HttpHelper http = new HttpHelper();
            string whlURL = "http://www.wanhai.com/views/Main.xhtml";
            HttpItem item = new HttpItem()
            {
                URL = whlURL,//URL     必需项    
                Method = "get"//URL     可选项 默认为Get   
            };
            HttpResult result1 = http.GetHtml(item);
            _COOKIES = result1.Cookie;
            string html = result1.Html;
            IHtmlDocument document = new JumonyParser().Parse(html);
            _VIEWSTATUS = document.FindFirst("input[id=javax.faces.ViewState]").Attribute("value").Value();

            return GetWHLData();
        }
        public string GetWHLHTMLData(string blno)
        {
            List<WHLModel> list = GetWHLData(blno);
            string html= TransferModelListToHTML(list);
            return html;
        }

        public string GetWHLHTMLDataWithHBLNO(string hblno)
        {
            //获取主提单号，通过主提单号爬数据
            string mblno = GetMBLNOWithHBLNO(hblno);
            List<WHLModel> list = GetWHLData(mblno);
            //根据分单号关联的箱号进行过滤
            string[] ctnList = GetCtnnoWithHBLNO(hblno);
            if (ctnList==null)
            {
                return "";
            }
            List<WHLModel> finnalList = new List<WHLModel>();
            foreach (var ctn in ctnList)
            {
                var model = list.Find(w => w.CtnrNo.Contains(ctn));
                if (model!=null)
                {
                    finnalList.Add(model);
                }
                
            }
            if (finnalList.Count==0)
            {
                return "";
            }
            string html = TransferModelListToHTML(finnalList);
            return html;
        }

        public List<WHLModel> GetWHLData () {
            string whlURL = "http://www.wanhai.com/views/quick/cargo_tracking.xhtml";
            WebRequest request = WebRequest.Create(whlURL);
            request.Method = "POST";
            string postData = string.Format("cargoTrackListBean=argoTrackListBean&cargoType=2&q_ref_no1="+_BLNO+"&j_idt7=Query&javax.faces.ViewState="+_VIEWSTATUS);
            byte[] data = Encoding.UTF8.GetBytes(postData);
            request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
            request.Headers.Add("Cookie", _COOKIES);
            request.ContentLength = data.Length;
            Stream newStream = request.GetRequestStream();
            newStream.Write(data, 0, data.Length);
            newStream.Close();
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            string url = response.ResponseUri.AbsoluteUri;
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
            string content = reader.ReadToEnd();
            
            return TransferWHLHTMLString(content);
        }

        private static List<WHLModel> TransferWHLHTMLString (string html) {
            IHtmlDocument document = new JumonyParser().Parse(html);
            IEnumerable<IHtmlElement> result = document.Find("table[class=tbl-list]");
            IHtmlElement table = result.First();
            IEnumerable<IHtmlElement> trs = table.Find("tr");
            List<WHLModel> list = new List<WHLModel>();
            
            for (int i = 0; i < trs.Count(); i++)
            {
                WHLModel model = new WHLModel();
                if (i == 0)
                {
                    continue;
                }

                IHtmlElement tr = trs.ElementAt(i);
                IEnumerable<IHtmlElement> tds = tr.Find("td");
                
                for (int n = 0; n < tds.Count(); n++)
                {
                    if (n == 0 || n == tds.Count() - 1)
                    {
                        continue;
                    }
                    IHtmlElement td = tds.ElementAt(n);
                    
                   
                    switch (n)
                    {
                        case 1:
                            model.CtnrNo = td.InnerHtml();
                            break;
                        case 2:
                            model.CtnrISO = td.InnerHtml();
                            break;
                        case 3:
                            model.BLNo = td.InnerHtml();
                            break;
                        case 4:
                            model.StatusName = td.InnerHtml();
                            break;
                        case 5:
                            model.CtnrDate = td.InnerHtml();
                            break;
                        case 6:
                            model.CtnrDepotName = td.InnerHtml();
                            break;
                        case 7:
                            model.PlaceName = td.InnerHtml();
                            break;
                        case 8:
                            model.VoyNo = td.InnerHtml();
                            break;
                        case 9:
                            model.VesselName = td.InnerHtml();
                            break;
                        default:

                            break;
                    }

                }

                list.Add(model);
            }
            return list;
        }

        private static string TransferModelListToHTML(List<WHLModel> list) {
            StringBuilder sb = new StringBuilder();
            sb.Append("<table>");
            sb.Append("<tr>");
            sb.Append("<td>CTNR No.</td>");
            sb.Append("<td>Ctnr ISO</td>");
            sb.Append("<td>BL no.</td>");
            sb.Append("<td>Status Name</td>");
            sb.Append("<td>Ctnr Date</td>");
            sb.Append("<td>Ctnr Depot Name</td>");
            sb.Append("<td>Place Name</td>");
            sb.Append("<td>Voy No</td>");
            sb.Append("<td>Vessel Name</td>");
            sb.Append("</tr>");
            foreach (var item in list)
            {
                sb.Append("<tr>");
                sb.Append("<td>" + item.CtnrNo + "</td>");
                sb.Append("<td>" + item.CtnrISO + "</td>");
                sb.Append("<td>" + item.BLNo + "</td>");
                sb.Append("<td>" + item.StatusName + "</td>");
                sb.Append("<td>" + item.CtnrDate + "</td>");
                sb.Append("<td>" + item.CtnrDepotName + "</td>");
                sb.Append("<td>" + item.PlaceName + "</td>");
                sb.Append("<td>" + item.VoyNo + "</td>");
                sb.Append("<td>" + item.VesselName + "</td>");
                sb.Append("</tr>");
            }
            sb.Append("</table>");

            return sb.ToString();

        }

        private string GetMBLNOWithHBLNO(string hblno)
        {
            string mblno = "";
            string sql = "select MBLNO from MHBLNODetails where HBLNO like '%"+hblno+"%'";
            List<string> mblnos = new List<string>();
            using (SqlDataReader reader = SQLHelper.GetReader(sql))
            {
                while (reader.Read())
                {
                    mblnos.Add(reader[0].ToString());
                }
            }
            if (mblnos.Count==1)
            {
                mblno = mblnos[0];
            }
            return mblno;
        }

        private string[] GetCtnnoWithHBLNO(string HBLNO)
        {
            string sql = "select CTNNO from HBLNOCTNDetails where HBLNO = '"+HBLNO+"'";

            var rst = SQLHelper.ExcuteScalarSQL(sql);
            if (rst == DBNull.Value||rst==null)
            {
                return null;
            }
            string ctnnos = rst.ToString();

            string[] arr = ctnnos.Split(',');

            return arr;   
        }
     
    }

    public class WHLModel
    {
        public string  CtnrNo { get; set; }
        public string CtnrISO { get; set; }
        public string BLNo { get; set; }
        public string StatusName { get; set; }
        public string CtnrDate { get; set; }
        public string CtnrDepotName { get; set; }
        public string PlaceName { get; set; }
        public string VoyNo { get; set; }
        public string VesselName { get; set; }
    }
}