1.确保已经连通sap

2.发送数据：这是以表的形式发送，而且是批量发送给sap

3.接收sap返回信息：这个比较特别，碰到时试一试

package com.yiyezhiqiu.lyh.utils;

import com.alibaba.fastjson.JSON;
import com.sap.conn.jco.*;
import com.yiyezhiqiu.lyh.domain.Job;
import com.yiyezhiqiu.lyh.service.IWorkTimeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Slf4j

public class TestSap {

@Autowired  
IWorkTimeService workTimeService;

public Map contextLoads(List jobList) {

   String  xmlStr = "";  
  Map<String ,Object> maps = null;  
    for(Job list:jobList){  
        System.out.println("joblist"+list.getID()+"一叶知秋"+jobList.size()+list.getLSTAR());  
    }

  JCoDestination destination = null;  
    try{  
        SapConnection connection = new SapConnection();  
      destination =   connection.connection();  
    }catch(Exception e){  
        return maps;  
    }

   log.info("JCoDestination: "+destination);  
    try {  
        if (destination != null) {  
            JCoFunction function;  
            try{  
                function = destination.getRepository().getFunction("ZFMMM\_READ\_XXXXX");  
            }catch(Exception e){  
                return maps;  
            }

            //    function.getImportParameterList().setValue("I\_DATA", jobList);  
            for(Job list:jobList){  
                JCoTable table = function.getTableParameterList().getTable("I\_DATA");  
                table.appendRow();  
                table.setValue("ID",list.getID());  
                table.setValue("ARWKS",list.getARWKS());  
                table.setValue("VGE01",list.getVGE01());  
                table.setValue("TELPO",list.getTELPO());  
                table.setValue("PTYPE",list.getPTYPE());  
                table.setValue("BUDAT",list.getBUDAT());  
                table.setValue("CARDNAME",list.getCARDNAME());  
                table.setValue("CARDNO",list.getCARDNO());  
                table.setValue("ARBPL",list.getARBPL());  
                table.setValue("WRTNR",list.getWRTNR());  
                table.setValue("ZZPROJE",list.getZZPROJE());  
                table.setValue("WORKP",list.getWORKP());  
                table.setValue("AUFNR",list.getAUFNR());  
                table.setValue("JOBTYPENAME",list.getJOBTYPENAME());  
                table.setValue("JOBTYPE",list.getJOBTYPE());  
                table.setValue("LIFNR",list.getLIFNR());  
                table.setValue("LINEDNAME",list.getLINEDNAME());  
                table.setValue("LINED",list.getLINED());  
                table.setValue("ISDDZ",list.getISDDZ());  
                table.setValue("IEDDZ",list.getIEDDZ());  
                table.setValue("BGTYP",list.getBGTYP());  
                table.setValue("VGWRT",list.getVGWRT());  
                table.setValue("LSTAR",list.getLSTAR());  
                table.setValue("SJPNO",list.getSJPNO());  
                table.setValue("USNAM",list.getUSNAM());  
                table.setValue("CPUDT",list.getCPUDT());  
                table.setValue("AEDAT",list.getAEDAT());  
                table.setValue("FLAG",list.getFLAG());  
                table.setValue("TEXT",list.getTEXT());  
                table.setValue("ZDEL",list.getZDEL());  
                table.setValue("CPUDT1",list.getCPUDT1());  
                table.setValue("CPUTM1",list.getCPUTM1());  
                table.setValue("APUDT1",list.getAPUDT1());  
                table.setValue("APUTM1",list.getAPUTM1());  
                table.setValue("PHASE",list.getPHASE());  
                table.setValue("BATCH",list.getBATCH());  
                table.setValue("RUECK",list.getRUECK());  
                table.setValue("RMZHL",list.getRMZHL());  
                table.setValue("BLART",list.getBLART());  
                table.setValue("DSNAM",list.getDSNAM());  
                table.setValue("DEDAT",list.getDEDAT());  
                table.setValue("BELNR",list.getBELNR());  
                table.setValue("F01",list.getF01());  
                table.setValue("F02",list.getF02());  
                table.setValue("F03",list.getF03());  
                table.setValue("F04",list.getF04());  
                table.setValue("F05",list.getF05());  
                table.setValue("F06",list.getF06());  
                table.setValue("F07",list.getF07());  
                table.setValue("F08",list.getF08());  
            }

            function.execute(destination);

      //      JCoParameterList tablePort =   function.getTableParameterList();

            //info = tablePort.toXML();  
           // System.out.println("info:"+info);

           // XmlParse xmlParse = new XmlParse();  
           //xmlStr =    xmlParse.getXmlAttribute(info);

            JCoStructure r1 =   function.getExportParameterList().getStructure("GS\_XXXX");

            String type = "";  
            String message = "";  
            type = r1.getString("TYPE");  
            message = r1.getString("MESSAGE");  
            maps = new HashMap<>();  
            maps.put("type",type);  
            maps.put("message",message);  
         return maps;  
        }  
    }catch (JCoException e){  
        e.printStackTrace();  
    }

return maps;

}  

}