public String PrintStanding() throws Exception{
        
        String querydate=request.getParameter("querydate");
        String storeid=request.getParameter("storeId");
        
        String storeStatus=request.getParameter("storeStatus");
        String goodsType=request.getParameter("goodsType");
        String goodsId=request.getParameter("goodsId");
        
        String printUser=request.getParameter("printUser");
        String StoreName=request.getParameter("StoreName");
        System.out.println();
        
        Map<String, Object> waremap=new HashMap<String, Object>();
        waremap.put("goodsType", goodsType);
        waremap.put("goodsId", goodsId);
        waremap.put("storeid", storeid);
        waremap.put("storeStatus", storeStatus);
        List<WarehouseGoods> list=warehouseInService.printWareStanding(waremap);
        
        
        
        Map<String, Object> parameter = new HashMap<String, Object>();  
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        parameter.put("QUERY_TIME",sdf.parse(querydate));
        parameter.put("CREATE_USER",printUser);
        parameter.put("STORE_NAME",StoreName);
       
        
        
        
        //对数据和打印模板进行填充
        response.setContentType("application/octet-stream");
        response.setBufferSize(8986000);
        ServletOutputStream ouputStream = response.getOutputStream();
//        JasperReport jrt = JasperCompileManager.compileReport(request.getRealPath(STANDING_PRINT_MODEL_FILE));// 编译报表格式
        
        JRDataSource dataSource = new JRBeanCollectionDataSource(list);
        JasperPrint jpt = JasperFillManager.fillReport(request.getRealPath(STANDING_PRINT_MODEL_FILE), parameter,dataSource);// 匹配数据源，生成JasperPrint
        //JasperPrintManager.printReport(report, false);//此处为服务器打印，可以看见报表样式未丢失,但不符合需求，需客户端打印
        //打印数据输出
        ObjectOutputStream oos = new ObjectOutputStream(ouputStream);
        oos.writeObject(jpt);
        oos.flush();
        oos.close();
        
        return null;
    }

import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URL;

import javax.swing.JOptionPane;

import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperPrintManager;
import net.sf.jasperreports.engine.util.JRLoader;

public class JRPrinterApplet extends javax.swing.JApplet {

    private URL url = null;
    private JasperPrint jasperPrint = null;

    /** Creates new form AppletViewer */
    public JRPrinterApplet() {

    }
    public void init() {
        String strUrl = getParameter("REPORT_URL");
        if (strUrl != null) {
            try {
                url = new URL(getCodeBase(), strUrl);
            } catch (Exception e) {
                StringWriter swriter = new StringWriter();
                PrintWriter pwriter = new PrintWriter(swriter);
                e.printStackTrace(pwriter);
                JOptionPane.showMessageDialog(this, swriter.toString());
            }
        } else {
            JOptionPane.showMessageDialog(this,"init():Source URL not specified");
        }
    }

    public void start() {
        if (url != null) {
            if (jasperPrint == null) {