ASP.Net MVC3连接SAP实践

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using SAP.Middleware.Connector;
using System.Data;
namespace SAPMVC.Controllers
{
    public class HomeController : Controller
    {
        string MATNR = string.Empty;
        public ActionResult Index()
        {
            ViewBag.Message = "Welcome to ASP.NET MVC!";
            nco();
            //nco2();

            return View();
        }

        public void nco2()
        {
            RfcConfigParameters rfcPar = new RfcConfigParameters();
            //rfcPar.Add(RfcConfigParameters.Name, "CON");
            //rfcPar.Add(RfcConfigParameters.AppServerHost, "192.168.1.3");
            //rfcPar.Add(RfcConfigParameters.Client, "800");
            //rfcPar.Add(RfcConfigParameters.User, "UserID");
            //rfcPar.Add(RfcConfigParameters.Password, "Password");
            //rfcPar.Add(RfcConfigParameters.SystemNumber, "02");
            //rfcPar.Add(RfcConfigParameters.Language, "EN");

            rfcPar.Add(RfcConfigParameters.Name, "CON");
            rfcPar.Add(RfcConfigParameters.AppServerHost, "192.168.1.3");   //SAP主机IP
            rfcPar.Add(RfcConfigParameters.SystemNumber, "00");  //SAP实例
            rfcPar.Add(RfcConfigParameters.User, "MENGXIN");  //用户名
            rfcPar.Add(RfcConfigParameters.Password, "5239898");  //密码
            rfcPar.Add(RfcConfigParameters.Client, "888");  // Client
            //rfcPar.Add(RfcConfigParameters.Language, "ZH");  //登陆语言
            //rfcPar.Add(RfcConfigParameters.PoolSize, "5");
            //rfcPar.Add(RfcConfigParameters.MaxPoolSize, "10");
            //rfcPar.Add(RfcConfigParameters.IdleTimeout, "60");

            RfcDestination dest = RfcDestinationManager.GetDestination(rfcPar);
            RfcRepository rfcrep = dest.Repository;
            IRfcFunction myfun = null;
            myfun = rfcrep.CreateFunction("SAP里面的函数名称");
            myfun.SetValue("VTYPE", "0");//SAP里面的传入参数
            myfun.Invoke(dest);
            IRfcTable IrfTable = myfun.GetTable("IT_ZMYTB2");
            //提前实例化一个空的表结构出来
            DataTable dt = new DataTable();
            dt.Columns.Add("USERID");
            dt.Columns.Add("USERPWD");
            dt.Columns.Add("USERADDRESS");
            //循环把IRfcTable里面的数据放入Table里面，因为类型不同，不可直接使用。
            for (int i = 0; i < IrfTable.Count; i++)
            {
                IrfTable.CurrentIndex = i;
                DataRow dr = dt.NewRow();
                dr["USERID"] = IrfTable.GetString("USERID");
                dr["USERPWD"] = IrfTable.GetString("USERPWD");
                dr["USERADDRESS"] = IrfTable.GetString("USERADDRESS");
                dt.Rows.Add(dr);
            }
        }

        public void nco()
        {
            IDestinationConfiguration ID = new MyBackendConfig();
            RfcDestinationManager.RegisterDestinationConfiguration(ID);
            RfcDestination prd = RfcDestinationManager.GetDestination("PRD_000");
            RfcDestinationManager.UnregisterDestinationConfiguration(ID);
            nco(prd);
        }
        public void nco(RfcDestination prd)
        {
            RfcRepository repo = prd.Repository;
            IRfcFunction companyBapi = repo.CreateFunction("ZRFC_MARA_INFO");   //调用函数名
            companyBapi.SetValue("MATNR", MATNR);   //设置Import的参数
            companyBapi.Invoke(prd);   //执行函数
            IRfcTable table = companyBapi.GetTable("IT_MARA");  //获取相应的品号内表
            string MAKTX = companyBapi.GetValue("MAKTX").ToString();  //获取品名
            DataTable dt = new DataTable();  //新建表格
            dt.Columns.Add("品号");  //表格添加一列
            for (int i = 0; i < table.RowCount; i++)
            {
                table.CurrentIndex = i;  //当前内表的索引行
                DataRow dr = dt.NewRow();
                dr[0] = table.GetString("MATNR");  //获取表格的某行某列的值
                dt.Rows.Add(dr);  //填充该表格的值
            }
            if (MATNR == "")
            {
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    //this.comboBox1.Items.Add(dt.Rows[i][0].ToString());   //填充下拉框
                }
            }
            //this.label1.Text = MAKTX;   //显示品名
            prd = null;
            repo = null;
        }

        public ActionResult About()
        {
            return View();
        }

        //登陆SAP前的准备工作
        public class MyBackendConfig : IDestinationConfiguration
        {
            public RfcConfigParameters GetParameters(String destinationName)
            {
                if ("PRD_000".Equals(destinationName))
                {
                    RfcConfigParameters parms = new RfcConfigParameters();
                    //parms.Add(RfcConfigParameters.Name, "PRD_000");
                    parms.Add(RfcConfigParameters.AppServerHost, "192.168.1.3");   //SAP主机IP
                    parms.Add(RfcConfigParameters.SystemNumber, "00");  //SAP实例
                    parms.Add(RfcConfigParameters.User, "MENGXIN");  //用户名
                    parms.Add(RfcConfigParameters.Password, "5239898");  //密码
                    parms.Add(RfcConfigParameters.Client, "888");  // Client
                    parms.Add(RfcConfigParameters.Language, "ZH");  //登陆语言
                    parms.Add(RfcConfigParameters.PoolSize, "5");
                    parms.Add(RfcConfigParameters.MaxPoolSize, "10");
                    parms.Add(RfcConfigParameters.IdleTimeout, "60");
                    return parms;
                }
                else return null;
            }
            public bool ChangeEventsSupported()
            {
                return false;
            }
            public event RfcDestinationManager.ConfigurationChangeHandler ConfigurationChanged;
        }
    }
}