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  1. #1
    Brastemp
    Visitante

    Padrão codigo de barras

    alguem tem o barcode.class ai ?

  2. #2
    logan32
    Visitante

    Padrão codigo de barras

    Alguém tem componente de código de barras para delphi aí????
    Valew!



  3. #3

    Padrão codigo de barras

    Encontrei este código no GOOGLE

    The following code is an example of our java class library being used as a custom servlet:

    //*****************************************************************
    //
    // JAVA Servlet sample code for IDABarCode 2.1
    //
    // Copyright, IDAutomation.com, Inc. 2000. All rights reserved.
    //
    // <a href="http://www.IDAutomation.com/" target="_blank" target="_new">http://www.IDAutomation.com/</a>
    //
    // NOTICE:
    // You may incorporate our Source Code in your application
    // only if you own a valid Java Barcode Package License
    // from IDAutomation.com, Inc. and the copyright notices
    // are not removed from the source code.
    //
    // NOTE: "BarCode" is the class of the linear barcode class
    // For other classes such as PDF417, replace all text of "BarCode"
    // with "PDF417".
    //
    //*****************************************************************

    import javax.servlet.*;
    import javax.servlet.http.*;
    import java.io.*;
    import IDABarCode.*;
    import IDABarCode.encoder.*;
    import java.awt.Graphics2D.*;
    import java.awt.*;

    /** This is the Servlet class that contains code to create a bar code in a JPEG file from the server. */

    public class BarCodeServlet extends HttpServlet
    {

    /**
    * Handle the HTTP POST method by sending an e-mail
    *
    *
    */

    public void init() throws ServletException {

    }


    // MODIFY THIS FUNCTION TO CREATE THE BARCODE USING THE request PARAMETERS
    private BarCode getChart (HttpServletRequest request) {

    BarCode cb=new BarCode();

    cb.code="12345678901";
    cb.barType=cb.CODE128;

    return cb;


    }

    // Handle a request
    // 1. create barcode
    // 2. draw barcode in a Buffered Image
    // 3. encode image as JPEG and send it to the browser
    public void doGet (HttpServletRequest request,
    HttpServletResponse response)
    throws ServletException, IOException
    {
    PrintWriter out;
    ServletOutputStream outb;

    response.setContentType("image/jpeg"- );

    //out=response.getWriter();
    outb=response.getOutputStream();

    // avoid caching in browser
    response.setHeader ("Pragma", "no-cache"- );
    response.setHeader ("Cache-Control", "no-cache"- );
    response.setDateHeader ("Expires",0);

    try { // Create buffer

    java.awt.image.BufferedImage BarImage=new java.awt.image.BufferedImage(500,500,java.awt.image.BufferedImage.TYPE_INT_RGB);
    java.awt.Graphics2D BarGraphics=BarImage.createGraphics();

    // get BarCode
    BarCode cb=getChart(request);
    cb.setSize(BarImage.getWidth(null),BarImage.getHeight(null));

    cb.paint(BarGraphics);

    // create JPEG image
    com.sun.image.codec.jpeg.JPEGImageEncoder encoder = com.sun.image.codec.jpeg.JPEGCodec.createJPEGEncoder(outb );
    encoder.encode( BarImage );


    } catch (Exception e) { e.printStackTrace();}

    //outb.close();

    }


    public void doPost (HttpServletRequest request,
    HttpServletResponse response)
    throws ServletException
    {
    }

    }


    [ Esta mensagem foi editada por: Marcio68Almeida em 26-06-2003 11:20 ]