java连接RFC综合例子，java调用sap例子，泛微E8,E9调用SAP RFC例子

import java.io.File; import java.io.FileOutputStream; import java.util.Properties; import com.sap.conn.jco.JCoDestination; import com.sap.conn.jco.JCoDestinationManager; import com.sap.conn.jco.JCoException; import com.sap.conn.jco.JCoFunction; import com.sap.conn.jco.JCoParameterList; import com.sap.conn.jco.ext.DestinationDataProvider; public class SAPConn { private static final String ABAP_AS_POOLED = "ABAP_AS_WITH_POOL"; static{ Properties connectProperties = new Properties(); connectProperties.setProperty(DestinationDataProvider.JCO_ASHOST, "***.**.**.201");//服务器 connectProperties.setProperty(DestinationDataProvider.JCO_SYSNR, "**"); //系统编号 connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, "***"); //SAP集团 //connectProperties.setProperty(DestinationDataProvider.JCO_SAPROUTER,"/H/**.**.**.**/H/"); //外网使用路由，VPN后不使用 connectProperties.setProperty(DestinationDataProvider.JCO_USER, "****"); //SAP用户名 connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, "***"); //密码 connectProperties.setProperty(DestinationDataProvider.JCO_LANG, "ZH"); //登录语言 connectProperties.setProperty(DestinationDataProvider.JCO_POOL_CAPACITY, "3"); //最大连接数 connectProperties.setProperty(DestinationDataProvider.JCO_PEAK_LIMIT, "10"); //最大连接线程 createDataFile(ABAP_AS_POOLED, "jcoDestination", connectProperties); } /** * 创建SAP接口属性文件。 * @param name ABAP管道名称 * @param suffix 属性文件后缀 * @param properties 属性文件内容 */ private static void createDataFile(String name, String suffix, Properties properties){ File cfg = new File(name+"."+suffix); if(cfg.exists()){ cfg.deleteOnExit(); } try{ FileOutputStream fos = new FileOutputStream(cfg, false); properties.store(fos, "for tests only !"); fos.close(); }catch (Exception e){ System.out.println("Create Data file fault, error msg: " + e.toString()); throw new RuntimeException("Unable to create the destination file " + cfg.getName(), e); } } /** * 获取SAP连接 * @return SAP连接对象 */ public static JCoDestination connect(){ System.out.println("正在连接至SAP..."); JCoDestination destination =null; try { destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED); destination.ping(); System.out.println("已成功建立sap的连接"); } catch (JCoException e) { System.out.println("Connect SAP fault, error msg: " + e.toString()); } return destination; } //private static Logger log = Logger.getLogger(SAPConn.class); // 初始化日志对象 public static void main(String[] args) { JCoFunction function = null; JCoDestination destination = SAPConn.connect(); String sum="";//求和 try { //调用Z_WS_TEST函数 function = destination.getRepository().getFunction("ZHRCN_IF_TIME_****"); JCoParameterList input = function.getImportParameterList(); //NUM1 input.setValue("NUM1", "10"); //NUM2 input.setValue("NUM2", "8"); function.execute(destination); sum= function.getExportParameterList().getString("NUM");//调用接口返回值 System.out.println("求和为：" + sum); }catch (Exception e) { e.printStackTrace(); } } }