HENGCHENG/DSWeb/FeeCodes/CurrencyAdapter.aspx.cs

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Text;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Xml;
using DSWeb.Models;
using DSWeb.EntityDA;

namespace DSWeb.FeeCodes
{
    public partial class CurrencyAdapter : System.Web.UI.Page
    {
        private string strMark;
        private string strPos;
        private int iPos = 0;
        private string strHandle;//值drate表示获取默认币别汇率
        protected void Page_Load(object sender, EventArgs e)
        {
            string strPost = Request.Url.ToString();

            if (Request.QueryString["handle"] != null)
            {
                strHandle = Request.QueryString["handle"].ToString().ToLower();
            }
            if (strHandle != null)
            {
                if (strHandle == "drate")
                {   //返回币别code_currency汇率JSON字符串
                    Response.Write(GetCurrencyRateJson());
                }
            }
            else
            {
                if (Request.QueryString["mask"] != null)
                {
                    strMark = Request.QueryString["mask"].ToString();
                }
                if (Request.QueryString["pos"] != null)
                {
                    strPos = Request.QueryString["pos"].ToString();
                    iPos = int.Parse(strPos);
                }
                XmlDocument docs = GetDoc();
                Response.ContentType = "text/xml";
                Response.Write(docs.OuterXml.ToString());
            }
        }


        public string BuildXML()
        {
            StringBuilder resultBuilder = new StringBuilder();

            resultBuilder.Append("<?xml version=\"1.0\" ?>");
            resultBuilder.AppendFormat("<complete{0}>", iPos == 0 ? string.Empty : " add=\"true\"");
            if (!string.IsNullOrEmpty(strMark))
            {
                CurrencyDA currencyDA = new CurrencyDA();
                IList<CurrencyEntity> currencyEntities = currencyDA.GetAllCurrency();

                foreach (CurrencyEntity currencyEntity in currencyEntities)
                {
                    if (currencyEntity.GID.ToString().Trim() != "" || currencyEntity.CodeName.ToString().Trim() != "")
                    {
                        resultBuilder.AppendFormat("<option value=\"{0}\">{1}</option>", currencyEntity.GID, currencyEntity.CodeName);
                    }
                }
            }
            resultBuilder.AppendFormat("<option value=\"{0}\">{1}</option>", "", "");
            resultBuilder.Append("</complete>");
            return resultBuilder.ToString().Replace("&", "&amp;");
        }

        public XmlDocument GetDoc()
        {
            XmlDocument xmldoc = new XmlDocument();
            string content = BuildXML();
            try
            {
                xmldoc.LoadXml(content);
            }
            catch (Exception)
            {
            }
            return xmldoc;
        }
        #region 返回币别code_currency汇率JSON字符串
        /// <summary>
        /// 返回币别code_currency汇率JSON字符串
        /// </summary>
        /// <returns>返回币别code_currency汇率JSON字符串</returns>
        public string GetCurrencyRateJson()
        {
            CurrencyDA currencyDA = new CurrencyDA();
            DataTable sourceTable;

            string strSql = "SELECT GID, CODENAME, NAME, DESCRIPTION, DEFAULTRATE FROM code_currency";

            sourceTable = currencyDA.GetExcuteSql(strSql).Tables[0];

            StringBuilder sourceBuilder = new StringBuilder();
            sourceBuilder.Append("{");
            sourceBuilder.Append("drate:[");
            for (int i = 0; i < sourceTable.Rows.Count; i++)
            {
                if (i == 0)
                {
                    sourceBuilder.Append("{id:\"" + sourceTable.Rows[i][0].ToString() + "\",");
                }
                else
                {
                    sourceBuilder.Append(",{id:\"" + sourceTable.Rows[i][0].ToString() + "\",");
                }
                sourceBuilder.Append("\"code\":\"" + sourceTable.Rows[i][1].ToString() + "\",");
                sourceBuilder.Append("\"name\":\"" + sourceTable.Rows[i][2].ToString() + "\",");
                sourceBuilder.Append("\"desc\":\"" + sourceTable.Rows[i][3].ToString() + "\",");
                sourceBuilder.Append("\"drate\":\"" + sourceTable.Rows[i][4].ToString() + "\"}");
                
            }
            sourceBuilder.Append("]");
            sourceBuilder.Append("}");

            return sourceBuilder.ToString();
        }
        #endregion 
    }
}