java实现打印机打印

1.后台控制打印代码
/**

• @author Stone
  */
  public class GMMSPrinter implements Printable {

  private static final Logger LOGGER = LoggerFactory.getLogger(GMMSPrinter.class);

  /**

  • 客户名称
    /
    private String customer;
    /*
  • 项目名称
    /
    private String application;
    /*
  • 成品名称
    /
    private String production;
    /*
  • 楼层编号
    /
    private String floorNumber;
    /*
  • 订单序号
    /
    private String orderNumber;
    /*
  • 长度
    /
    private double length;
    /*
  • 宽度
    /
    private double width;
    /*
  • 流程卡号
    /
    private String apartId;
    /*
  • 片标记
    /
    private String pieceSign;
    /*
  • 明细备注
    /
    private String remark;
    /*
  • 生产线
    */
    private String line;

  public GMMSPrinter(String customer, String application, String production, String floorNumber, String orderNumber,
  double length, double width, String apartId, String pieceSign, String remark, String line) {
  super();
  this.customer = customer;
  this.application = application;
  this.production = production;
  this.floorNumber = floorNumber;
  this.orderNumber = orderNumber;
  this.length = length;
  this.width = width;
  this.apartId = apartId;
  this.pieceSign = pieceSign;
  this.remark = remark;
  this.line = line;
  }

  @Override
  public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {

   Graphics2D g2 = (Graphics2D) graphics;
   
   //设置打印的颜色
   g2.setPaint(Color.black);
   
   //转换坐标，确定打印边界
   g2.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
   
   String lengthStr = String.valueOf(length).substring(0, String.valueOf(length).indexOf("."));
   String widthStr = String.valueOf(width).substring(0, String.valueOf(width).indexOf("."));
   
   //设置打印的字体
   Font font = new Font("黑体", Font.BOLD, 11);  
   g2.setFont(font);
   //获得字体的高度
   float height=font.getSize2D();
   //得到第一行打印数据
   g2.drawString(customer, 30, 20);
   
   g2.setFont(font);
   //得到第一行右边数据
   g2.drawString(application, 92, 20);
   
   g2.setFont(font);
   //得到第二行数据
   g2.drawString(production, 4, 25+height);
   
   Font font1 = new Font("黑体", Font.BOLD, 13);  
   g2.setFont(font1);
   g2.drawString(floorNumber, 15, 35+height+height);
   
   g2.setFont(font1);
   float height1=font.getSize2D();
   g2.drawString(orderNumber+")"+lengthStr+"*"+widthStr, 24, 45+height*3);
   
   g2.setFont(font);
   g2.drawString(apartId+"/"+pieceSign+" "+remark, 15, 50+height*3+height1);
   
   return Printable.PAGE_EXISTS;  
  

  }

  /**

  • 打印

  • @throws PrinterException
    */
    public void doPrint() {
    LOGGER.debug("> Start doPrint");

    //收到光电信号打印机执行打印
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    Book book=new Book();

    //设置成竖打
    PageFormat pageFormat=new PageFormat();
    pageFormat.setOrientation(PageFormat.PORTRAIT);

    //设置页面的空白边距和可打印区域
    Paper paper=new Paper();
    paper.setSize(220, 115);
    //设置打印区域
    paper.setImageableArea(0, 0, 220,115);
    pageFormat.setPaper(paper);

    //把 PageFormat和 Printable 添加到书中
    book.append(new GMMSPrinter(customer, application, production, floorNumber, orderNumber, length, width, apartId, pieceSign, remark, line), pageFormat);
    printerJob.setPageable(book);
    HashAttributeSet hs = new HashAttributeSet();
    String printerName=“ZDesigner ZT410-300dpi ZPL”;
    //将当前打印机添加到打印服务
    hs.add(new PrinterName(printerName,null));
    PrintService [] pss = PrintServiceLookup.lookupPrintServices(null, hs);
    LOGGER.debug(“打印机的个数是：” + pss.length);

    try {
    printerJob.print();
    }
    catch (PrinterException e) {
    e.printStackTrace();
    }

    LOGGER.debug("> End doPrint");
    }
    }

2.前端控制打印机打印
<%@ page language=“java” contentType=“text/html; charset=UTF-8” pageEncoding=“UTF-8” isELIgnored=“false”%>

首页

.PageNext{page-break-after: always;}

<%-- --%>

起始编号：
结束编号：

    

<%--

曹杨二中	物理
王思睿	23568307

--%>

<%@ page language=“java” contentType=“text/html; charset=utf-8” pageEncoding=“utf-8” isELIgnored=“false”%>

Insert title here

.PageNext{page-break-after: always;}

<%-- --%>

package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.Method;
import java.util.List;

import javax.accessibility.AccessibleRelation;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.hibernate.jpa.criteria.Renderable;

import com.google.gson.Gson;
import com.google.gson.JsonArray;

import dao.BaseDao;
import model.Exem;
import net.sf.json.JSONArray;
import print.BarcodeUtil;
import util.GridDataModel;

public class Barcode extends HttpServlet {
private static final long serialVersionUID = 1L;

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
	doPost(req, resp);
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

// String servletPath = req.getServletPath();
// String actionName = servletPath.substring(1, servletPath.indexOf("."));

	String actionName = req.getParameter("method");
	try {
		Method method = this.getClass().getMethod(actionName, HttpServletRequest.class, HttpServletResponse.class);
		method.invoke(this, req, resp);
	} catch (Exception e) {
			e.printStackTrace();
	} 
}

public void barcode(HttpServletRequest request, HttpServletResponse response)throws ServletException{
	String code = request.getParameter("code");
	BarcodeUtil.encode(code, response);
}

public void getData(HttpServletRequest request, HttpServletResponse response)throws ServletException{
	String start = request.getParameter("start");
	String end = request.getParameter("end");
	System.out.println(start + ", " + end);

// if(“1”.equals(start)){
// start = “2”;
// }

	BaseDao dao = new BaseDao();
	String hql = "from Exem where id between ? and ?";
	List list = dao.getList(hql, Integer.parseInt(start), Integer.parseInt(end));

// JSONArray array = JSONArray.fromObject(list);
// String result = “{“success”:true,“items”:” + array.toString() + “}”;
// render(response, result);

// String sql = "from Exem where id < " + Integer.parseInt(count);
// List list = dao.queryForList(sql);

	Gson gson = new Gson();
	String result = gson.toJson(new GridDataModel(list));

// String result = gson.toJson(list);
render(response, result);
}

private void render(HttpServletResponse response, String result){
	//设置为text/html，返回的是json字符串,设置为application/json，获取的是对象
	response.setContentType("text/html; utf-8");
	// Http 1.0 header
	response.setDateHeader("Expires", 1L);
	response.addHeader("Pragma", "no-cache");
	
	// Http 1.1 header
	response.setHeader("Cache-Control", "no-cache, no-store, max-age=0");
	
	//设置中文编码
	response.setCharacterEncoding("UTF-8");
	response.setContentType("UTF-8");
	
	try {
		response.getWriter().write(result);
		response.getWriter().flush();
	} catch (IOException e) {
		throw new RuntimeException(e.getMessage(), e);
	}
}

// private void render(HttpServletResponse response, String result){
// response.setContentType(“text/html; charset=utf-8”);
// response.setHeader(“Cache-Control”, “no-cache”);
// PrintWriter out = null;
// try {
// out = response.getWriter();
// out.write(result);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
}

import java.awt.Font;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;
import javax.servlet.http.HttpServletResponse;

import net.sourceforge.jbarcodebean.JBarcodeBean;
import net.sourceforge.jbarcodebean.model.Code128;
public class BarcodeUtil {

private static final int IMAGE_WIDTH = 160;
private static final int IMAGE_HEIGHT = 34;
private static final int BARCODE_HEIGHT = 34;		
private static final int FONT_SIZE = 12;			
private static final String FONT_FAMILY = "Consolas";	

public static void encode(String str, HttpServletResponse response) {
	
	OutputStream os = null;
	InputStream fis = null;
	ByteArrayOutputStream bs = null;
	ImageOutputStream iout = null;
	
	try {
		JBarcodeBean bean = new JBarcodeBean();
		bean.setCodeType(new Code128());				
		bean.setCode(str);								
		bean.setLabelPosition(JBarcodeBean.LABEL_BOTTOM);
		bean.setShowText(false);							//不显示条码字符
		bean.setFont(new Font(FONT_FAMILY, Font.PLAIN,FONT_SIZE));
		bean.setBarcodeHeight(BARCODE_HEIGHT); 				
		bean.setNarrowestBarWidth(2);
		BufferedImage image = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
		image = bean.draw(image);			

// BarCode barCode = new BarCode();
// barCode.code = str;
// barCode.barType = BarCode.CODE128;
// barCode.resolution = 38;
// barCode.setBarHeightCM(1.1);
// barCode.setShowText(false);
// barCode.setNarrowToWideRatio(2);
//
//
// BufferedImage image = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
// Graphics2D g2 = image.createGraphics();
// barCode.paint(g2);
// barCode.invalidate();
// System.out.println(barCode.getWidth() + ". " + barCode.getHeight());
// g2.dispose();

// JBarcode barcode = JBarcodeFactory.getInstance().createCode128();
// barcode.setBarHeight(BARCODE_HEIGHT);
// barcode.setShowText(false);
// barcode.setWideRatio(20);
//
// BufferedImage image = barcode.createBarcode(str);
//
os = response.getOutputStream();
bs = new ByteArrayOutputStream();
iout = ImageIO.createImageOutputStream(bs);
ImageIO.write(image, “jpg”, iout);
fis = new ByteArrayInputStream(bs.toByteArray());

		//缂撳啿鍖�
		byte[] b = new byte[1024];			
		int i = 0;
		while ((i = fis.read(b)) > 0){
			os.write(b, 0, i);
		}
		os.flush();
	} catch (Exception localException) {
		localException.printStackTrace();
	}finally{
		try{
			if(iout != null) iout.close();
			if(bs != null) bs.close();
			if (fis != null) fis.close();
			if (os != null) os.close();
		}catch (Exception e){
			e.printStackTrace();
		}
	}
}

}