Java中连接SAP进行RFC调用

2021-08-02 05:41:57

1、首先创建Java Project。
2、把sapjco.jar添加到该Project的Java项目构建路径中（添加外部Jar）。
3、在资源管理器中把librfc32.dll、sapjcorfc.dll放到Project的根目录下。
4、编写Jco程序：
方法一：
public class SapJco {
static JCO.Client mConnection = null;
static JCO.Repository mRepository;
/**
  * @param args
  */
public static void main(String[] args) {
  // TODO Auto-generated method stub
  try {
mConnection = JCO.createClient("200",// SAP client
   "******", // userid
   "*******", // password
   "EN", // language (null for the default language)
   "IP地址", // application server host name
   "10"); // system number
mConnection.connect();
JCO.Function function = SapJco.createFunction("RFC函数名");
JCO.Table codes = null;
codes = function.getTableParameterList().getTable("ITAB");

codes.appendRow();
codes.setValue("9220", "WERK");
codes.setValue("90", "LINE");
codes.setValue("12345", "AUFNR");
codes.setValue("12", "SERIALNO");
codes.setValue("ss", "WERKNAME");
codes.setValue("x1", "LINETXT");
codes.setValue("33", "XINGHAO");
codes.setValue("21", "NUM1");
codes.setValue("093000", "BEGINTIME");
codes.setValue("103000", "ENDTIME");
codes.setValue("", "DEL");
mConnection.execute(function);

System.out.println(mConnection.getAttributes());
  } catch (Exception ex) {
ex.printStackTrace();
System.exit(1);
  } finally {
mConnection.disconnect();
  }
}
public static JCO.Function createFunction(String name) throws Exception {
  mRepository = new JCO.Repository("ARAsoft", mConnection);
  try {
IFunctionTemplate ft = mRepository.getFunctionTemplate(name
   .toUpperCase());
if (ft == null)
return null;
return ft.getFunction();
  } catch (Exception ex) {
throw new Exception("Problem retrieving JCO.Function object.");
  }
}
}

方法二：
把logon.properties文件放到编译后文件所在目录下，
文件内容如下：
jco.client.client=200
jco.client.user=*****
jco.client.passwd=****
jco.client.ashost=IP地址
jco.client.sysnr=10

Java文件内容
public class TestJco {
static final String POOL_NAME = "Pool";
public static void main(String[] arg){
  JCO.Pool pool = JCO.getClientPoolManager().getPool(TestJco.POOL_NAME);
  JCO.Client mConn = null;
  OrderedProperties logonProperties = null;
  try{
logonProperties =
OrderedProperties.load("logon.properties");
  }
  catch(Exception ie){
System.out.println("不能读取配置文件!");
  }

  if (pool == null) {
JCO.addClientPool(TestJco.POOL_NAME, // pool name
   5, // maximum number of connections
   logonProperties); // properties
  }
  mConn = JCO.getClient(TestJco.POOL_NAME);

  JCO.Repository mRepository;
  mRepository = new JCO.Repository("ARAsoft", mConn);

  try {
IFunctionTemplate ft =
mRepository.getFunctionTemplate("BAPI_COMPANYCODE_GETLIST");

JCO.Function fun = ft.getFunction();

mConn.execute(fun);

  }
  catch (Exception ex) {
System.out.println("生成RFC Funtion错误！");
  }

  System.out.println(mConn.getAttributes());
  JCO.releaseClient(mConn);
}
}

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Java中连接SAP进行RFC调用

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