C#通过RFC调用SAP
using System;
using System.Collections.Generic;
using
SAP.Middleware.Connector;
using System.Data;
using
System.Xml;
namespace RFC
{
///
/// C#与SAP的RFC接口类
///
public class RFCInterface
{
#region
初始化
///
///
初始化SRM-RFC类
///
///
PRD_000为500系统，PRD_001为300系统
public
RFCInterface(string
destinationName)
{
DestName
=
destinationName;
//RfcDest =
GetDestination(DestName);
ID = new MyBackendConfig();
//实例化IDestinationConfiguration
}
#endregion
#region
数据定义
private RfcDestination
rfcDest;
protected
RfcDestination RfcDest
{
get
{
if (rfcDest == null && DestName !=
null)
{
this.Connect();
return
rfcDest;
}
else
{
return
rfcDest;
}
}
set {
rfcDest = value; }
}
///
///
DestinationName，用来选择不同的连接参数
///
private string
destName;
protected string
DestName
{
get {
return destName;
}
set {
destName = value; }
}
IDestinationConfiguration ID;
#endregion
#region
管理RfcDestination连接
///
///
建立RFC连接
///
public void
Connect()
{
RfcDestinationManager.RegisterDestinationConfiguration(ID);
RfcDest =
RfcDestinationManager.GetDestination(DestName);
}
///
///
断开RFC连接
///
public void
DisConnect()
{
RfcDestinationManager.UnregisterDestinationConfiguration(ID);
}
#endregion
#region
从SAP读取数据
///
///
从SAP按Table读取数据
///
///
函数名称
///
表格名称
///
表格列名
///
数据表
public DataTable
ReadTableFromSAP(string functionName, string tableName, List
columnNames)
{
RfcRepository repo =
RfcDest.Repository;
IRfcFunction functionBapi = repo.CreateFunction(functionName);
//调用函数名
functionBapi.Invoke(RfcDest);
//执行函数
IRfcTable table = functionBapi.GetTable(tableName);
//获取相应的品号内表
DataTable dt = new DataTable();
//新建表格
//增加表的列
foreach (string colName in
columnNames)
{
dt.Columns.Add(colName);
//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();
foreach (string colName in
columnNames)
{
dr[colName] = table.GetString(colName);
//给表格赋值
}
dt.Rows.Add(dr);
//填充该表格的值
}
//prd =
null;
repo
=
null;
return dt;
}
///
///
从SAP按Table读取数据
///
///
函数名称
///
表格名称
///
表格列名
///
传入参数
///
数据表
public DataTable
ReadTableFromSAP(string functionName, string tableName, List columnNames, List
inParams)
{
RfcRepository repo =
RfcDest.Repository;
IRfcFunction functionBapi = repo.CreateFunction(functionName);
//调用函数名
//设置Import的参数
foreach (RFCInParameter inParam in
inParams)
{
functionBapi.SetValue(inParam.ParameterName,
inParam.ParameterValue);
}
functionBapi.Invoke(RfcDest);
//执行函数
IRfcTable table = functionBapi.GetTable(tableName);
//获取相应的品号内表
DataTable dt = new DataTable();
//新建表格
//增加表的列
foreach (string colName in
columnNames)
{
dt.Columns.Add(colName);
//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();
foreach (string colName in
columnNames)
{
dr[colName] = table.GetString(colName);
//给表格赋值
}
dt.Rows.Add(dr);
//填充该表格的值
}
//prd =
null;
repo
=
null;
return dt;
}
#endregion
#region
写回数据到SAP
///
///
将结果表返回给SAP
///
///
Function名称
///
返回表名
///
需返回的数据表，表名需和SAP列名相同
///
成功返回True，失败False
public bool
WriteTableToSAP(string functionName, string tableName, DataTable
dt)
{
if (dt
!= null)
{
//对空的DataTable直接返回真
if (dt.Rows.Count ==
0)
{
return
true;
}
try
{
int intSL = 10000;
//一次同步数量
int intRowNumber =
dt.Rows.Count;
int intCS, intYS, intCount; //循环次数，剩余数量，
循环时处理数量
intCS = System.Convert.ToInt32(intRowNumber / intSL) +
1;
//分批处理次数
intYS = intRowNumber %
intSL;
//最后执行数量
RfcRepository repo =
rfcDest.Repository;
IRfcFunction funBapi = repo.CreateFunction(functionName);
//调用函数名
IRfcTable tblROF = funBapi.GetTable(tableName);
//获取相应的表
int k =
0;
for (int j = 0; j < intCS;
j++)
{
intCount = (j == intCS - 1 ? intYS :
intSL);
tblROF.Clear();
for (int i = 0; i < intCount;
i++)
{
tblROF.Insert();
for (int m = 0; m < dt.Columns.Count;
m++)
{
tblROF.CurrentRow.SetValue(dt.Columns[m].ColumnName,
dt.Rows[k][m].ToString());
}
k++;
}
funBapi.SetValue(tableName,
tblROF);
funBapi.Invoke(rfcDest);
//提交
}
//引用回传结果
//IRfcTable RETURNStructure =
funBapi.GetTable("RETURN");
//显示调用结果
//MessageBox.Show(RETURNStructure.GetString("MESSAGE").ToString());
// prd =
null;
repo =
null;
return
true;
}
catch
{
return
false;
}
}
else
{
return
false;
}
}
///
///
回写数据表到SAP
///
///
RFC函数名
///
SAP数据表名
///
回传数据表
///
SAP表列名，需与回传表保持一致
///
public bool
WriteTableToSAP(string functionName, string tableName, DataTable dt, List
SAPColumnNames)
{
if
(SAPColumnNames.Count !=
dt.Columns.Count)
{
return
false;
}
else if
(dt !=
null)
{
try
{
int intRowNumber =
dt.Rows.Count;
int intCS, intYS, intCount; //循环次数，剩余数量，
循环时处理数量
intCS = System.Convert.ToInt32(intRowNumber / 10000) +
1;
//分批处理次数
intYS = intRowNumber %
10000;
//最后执行数量
RfcRepository repo =
rfcDest.Repository;
IRfcFunction funBapi = repo.CreateFunction(functionName);
//调用函数名
IRfcTable tblROF = funBapi.GetTable(tableName);
//获取相应的表
int k =
0;
for (int j = 0; j < intCS;
j++)
{
intCount = (j == intCS - 1 ? intYS :
10000);
tblROF.Clear();
for (int i = 0; i < intCount;
i++)
{
tblROF.Insert();
for (int m = 0; m < dt.Columns.Count;
m++)
{
tblROF.CurrentRow.SetValue(SAPColumnNames[m],
dt.Rows[k][m].ToString());
}
k++;
}
funBapi.SetValue(tableName,
tblROF);
funBapi.Invoke(rfcDest);
//提交
}
//引用回传结果
//IRfcTable RETURNStructure =
funBapi.GetTable("RETURN");
//显示调用结果
//MessageBox.Show(RETURNStructure.GetString("MESSAGE").ToString());
// prd =
null;
repo =
null;
return
true;
}
catch
{
return
false;
}
}
else
{
return
false;
}
}
#endregion
}
#region
RFC传入参数
///
///
RFC传入参数
///
public struct
RFCInParameter
{
///
///
参数名称
///
string
parameterName;
///
///
参数值
///
string
parameterValue;
public string
ParameterName
{
get {
return parameterName;
}
set {
parameterName = value; }
}
public string
ParameterValue
{
get {
return parameterValue;
}
set {
parameterValue = value; }
}
public RFCInParameter(string
paramName, string paramValue)
{
parameterName =
paramName;
parameterValue = paramValue;
}
}
#endregion
#region
Destination参数类
///
///
destination参数类
///
public class
RFCDestinationParameter
{
private string
paramName;
//参数名称
private string appServerHost;
private string systemNumber;
private string user;
private
string password;
private string
client;
private string
language;
private string
poolsize;
private string
maxpoolsize;
private string
idleTimeout;
public string
ParamName
{
get {
return paramName;
}
set {
paramName = value; }
}
public string
AppServerHost
{
get {
return appServerHost;
}
set {
appServerHost = value; }
}
public string
SystemNumber
{
get {
return systemNumber;
}
set {
systemNumber = value; }
}
public string
User
{
get {
return user;
}
set {
user = value; }
}
public string
Password
{
get {
return password;
}
set {
password = value; }
}
public string
Client
{
get {
return client;
}
set {
client = value; }
}
public string
Language
{
get {
return language;
}
set {
language = value; }
}
public string
Poolsize
{
get {
return poolsize;
}
set {
poolsize = value; }
}
public string
Maxpoolsize
{
get {
return maxpoolsize;
}
set {
maxpoolsize = value; }
}
public string
IdleTimeout
{
get {
return idleTimeout;
}
set {
idleTimeout = value; }
}
public
RFCDestinationParameter()
{
}
public
RFCDestinationParameter(string serverHost, string systemNumber, string user,
string password, string client, string language, string poolsize, string
maxpoolsize, string idleTimeout)
{
AppServerHost =
serverHost;
SystemNumber =
systemNumber;
User =
user;
Password =
password;
Client =
client;
Language =
language;
Poolsize =
poolsize;
Maxpoolsize =
maxpoolsize;
IdleTimeout = idleTimeout;
}
}
#endregion
#region 读取配置类
///
/// 参数配置类
///
public static class RFCConfig
{
private static string
configFileName = string.Empty;
public static string
ConfigFileName
{
get {
return configFileName;
}
set {
configFileName = value; }
}
#region
读取XML参数
//读取RFC配置文件
public static List
ReadRFCConfig()
{
//string
xmlName = System.Environment.CurrentDirectory +
@"\RFCConfig.xml";
if (ConfigFileName ==
string.Empty)
{
ConfigFileName = System.Environment.CurrentDirectory +
@"\RFCConfig.xml";
}
return
ReadRFCConfig(ConfigFileName);
}
///
///
读取RFC配置文件
///
///
配置文件名称
///
private static List
ReadRFCConfig(string configName)
{
if
(System.IO.File.Exists(configName))
{
XmlDocument doc = new
XmlDocument();
doc.Load(configName);
//读取XML文件
List destParams = new
List();
XmlNodeList dests =
doc.SelectNodes("/configuration/SAP.Middleware.Connector/ClientSettings/DestinationConfiguration/destinations/add");
if (dests !=
null)
{
foreach (XmlNode destParam in
dests)
{
//paramNames.Add(destParam.Attributes["name"].Value);
RFCDestinationParameter rfcDestParam = new
RFCDestinationParameter();
rfcDestParam.ParamName =
destParam.Attributes["NAME"].Value;
rfcDestParam.AppServerHost =
destParam.Attributes["ASHOST"].Value;
rfcDestParam.User =
destParam.Attributes["USER"].Value;
rfcDestParam.Password =
destParam.Attributes["PASSWD"].Value;
rfcDestParam.Client =
destParam.Attributes["CLIENT"].Value;
rfcDestParam.Language =
destParam.Attributes["LANG"].Value;
rfcDestParam.SystemNumber =
destParam.Attributes["SYSNR"].Value;
rfcDestParam.Maxpoolsize =
destParam.Attributes["MAX_POOL_SIZE"].Value;
rfcDestParam.Poolsize =
destParam.Attributes["POOL_SIZE"].Value;
rfcDestParam.IdleTimeout =
destParam.Attributes["IDLE_TIMEOUT"].Value;
destParams.Add(rfcDestParam);
}
}
return
destParams;
}
else
{
return
null;
}
}
#endregion
}
#endregion
#region
登录参数设置类
///
///
登录参数设置
///
public class
MyBackendConfig : IDestinationConfiguration
{
public
RfcConfigParameters GetParameters(String
destinationName)
{
List
rfcDestParams =
RFCConfig.ReadRFCConfig();
foreach (RFCDestinationParameter destParam in
rfcDestParams)
{
if (destParam.ParamName.Equals(destinationName,
StringComparison.OrdinalIgnoreCase))
{
RfcConfigParameters parms = new
RfcConfigParameters();
parms.Add(RfcConfigParameters.AppServerHost,
destParam.AppServerHost);
//SAP主机IP
parms.Add(RfcConfigParameters.SystemNumber, destParam.SystemNumber);
//SAP实例
parms.Add(RfcConfigParameters.User, destParam.User);
//用户名
parms.Add(RfcConfigParameters.Password, destParam.Password);
//密码
parms.Add(RfcConfigParameters.Client, destParam.Client); //
Client
parms.Add(RfcConfigParameters.Language, destParam.Language);
//登陆语言
parms.Add(RfcConfigParameters.PoolSize,
destParam.Poolsize);
parms.Add(RfcConfigParameters.MaxPoolSize,
destParam.Maxpoolsize);
parms.Add(RfcConfigParameters.IdleTimeout,
destParam.IdleTimeout);
return
parms;
}
}
return null;
}
public bool
ChangeEventsSupported()
{
return
false;
}
public event
RfcDestinationManager.ConfigurationChangeHandler
ConfigurationChanged;
}
#endregion
}
