example/src/com/fr/data/ParamSAPDataTest.java

package com.fr.data;

import com.fr.base.FRContext;
import com.fr.config.holder.impl.xml.XmlColConf;
import com.fr.function.ConnectSAPServer;
import com.fr.stable.ParameterProvider;
import com.sap.conn.jco.JCoDestination;
import com.sap.conn.jco.JCoException;
import com.sap.conn.jco.JCoFunction;
import com.sap.conn.jco.JCoTable;

import java.util.ArrayList;

public class ParamSAPDataTest extends AbstractTableData {
    private String[] columnNames = null;

    private int columnNum = 3;


    private String[][] rowData;
    private static JCoDestination jCoDestination;

    public ParamSAPDataTest() {
        ArrayList<String> arrayList = new ArrayList<>();
        arrayList.add("LIFNR");
        arrayList.add("NAME1");


        this.parameters = new XmlColConf<>(arrayList, ParameterProvider.class);

        this.columnNames = new String[this.columnNum];
        this.columnNames[0] = "供应商编码";
        this.columnNames[1] = "供应商名称";
        this.columnNames[2] = "供应商地址";
    }

    public int getColumnCount() {
        return this.columnNum;
    }

    public String getColumnName(int columnIndex) {
        return this.columnNames[columnIndex];
    }

    public int getRowCount() {
        try {
            init();
        } catch (JCoException e) {
            FRContext.getLogger().info("失败");
        }
        return this.rowData.length;
    }

    public Object getValueAt(int rowIndex, int columnIndex) {
        try {
            init();
        } catch (JCoException e) {
            FRContext.getLogger().info("失败");
        }
        if (columnIndex >= this.columnNum) {
            return null;
        }
        return this.rowData[rowIndex][columnIndex];
    }

    public void init() throws JCoException {
        if (this.rowData != null) {
            return;
        }
        try {
            jCoDestination = ConnectSAPServer.Connect();
        } catch (Exception e) {
            FRContext.getLogger().info("失败");
        }
        JCoFunction function = jCoDestination.getRepository().getFunction("Z_LFA3_QUERY");
        if (function == null)
            throw new RuntimeException(
                    "Function not found in SAP.");
        function.getImportParameterList().setValue("LIFNR", "%" +
                ((ParameterProvider) (parameters.get().toArray()[0])).getValue().toString().toUpperCase().trim() + "%");
        function.getImportParameterList().setValue("NAME1", "%" + ((ParameterProvider) (parameters.get().toArray()[1]))
                .getValue().toString().toUpperCase().trim() + "%");
        function.execute(jCoDestination);
        JCoTable returnTable = function.getTableParameterList().getTable(
                "ZLFA1S3");
        rowData = new String[20][3];
        if (returnTable.getNumRows() > 0) {
            returnTable.firstRow();
            for (int i = 0; i < 20; ) {
                String[] objArray = new String[this.columnNum];
                objArray[0] = returnTable.getString("LIFNR");
                objArray[1] = returnTable.getString("NAME1");
                objArray[2] = returnTable.getString("STRAS");
                this.rowData[i] = objArray;

                i++;
                returnTable
                        .nextRow();
            }

            FRContext.getLogger().info(
                    "Query SQL of ParamSAPDataTest: \n" + this.rowData.length +
                            " rows selected");
        }
    }

    public void release() throws Exception {
        super.release();
        this.rowData = null;
    }
}