Create Barcode in JSP page
How to Create and Shown bar code in JSP Page.
I have shown this using Eclipse IDE.
1. Project Structure
2. The jar used in the project are,
1. barcode4j.jar
2. itextpdf-5.1.0.jar
3. Mysql connector jar
3. Create Barcode in Static way using below Servlet
Create_Bar_Code.java
package com.chillyfacts.com;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.krysalis.barcode4j.impl.code128.Code128Bean;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
/**
* Servlet implementation class Create_Bar_Code
*/
@WebServlet("/Create_Bar_Code")
public class Create_Bar_Code extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* Default constructor.
*/
public Create_Bar_Code() {
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("image/jpg");
Code128Bean code128 = new Code128Bean();
code128.setHeight(15f);
code128.setModuleWidth(0.3);
code128.setQuietZone(10);
code128.doQuietZone(true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BitmapCanvasProvider canvas = new BitmapCanvasProvider(baos, "image/x-png", 300, BufferedImage.TYPE_BYTE_BINARY, false, 0);
code128.generateBarcode(canvas, "123456789");
canvas.finish();
ServletOutputStream responseOutputStream = response.getOutputStream();
responseOutputStream.write(baos.toByteArray());
responseOutputStream.flush();
responseOutputStream.close();
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
}
4. Create Barcode with Parameter passed from JSP Page
Create_Bar_Code_With_Parameter.java
package com.chillyfacts.com;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.krysalis.barcode4j.impl.code128.Code128Bean;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
/**
* Servlet implementation class Create_Bar_Code
*/
@WebServlet("/Create_Bar_Code_With_Parameter")
public class Create_Bar_Code_With_Parameter extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* Default constructor.
*/
public Create_Bar_Code_With_Parameter() {
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String value=request.getParameter("value");
response.setContentType("image/jpg");
Code128Bean code128 = new Code128Bean();
code128.setHeight(15f);
code128.setModuleWidth(0.3);
code128.setQuietZone(10);
code128.doQuietZone(true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BitmapCanvasProvider canvas = new BitmapCanvasProvider(baos, "image/x-png", 300, BufferedImage.TYPE_BYTE_BINARY, false, 0);
code128.generateBarcode(canvas, value);
canvas.finish();
ServletOutputStream responseOutputStream = response.getOutputStream();
responseOutputStream.write(baos.toByteArray());
responseOutputStream.flush();
responseOutputStream.close();
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
}
index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <center> <h3>Genearate barcode in JSP</h3> Static Way <br> <img alt="my Image" src="Create_Bar_Code"> <br><br> Passing Parameters<br> <table> <tr> <td> <img alt="my Image" src="Create_Bar_Code_With_Parameter?value=111112222"> </td> <td> <img alt="my Image" src="Create_Bar_Code_With_Parameter?value=333334444"> </td> </tr> </table> </center> </body> </html>
JSP page after running it on tomcat server
http://localhost:8080/Create_Bar_Code_JSP/index.jsp
5. DB Connection class to take data from MySQL table to create the bar code dynamically
package com.chillyfacts.db;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DB_Connection {
public static void main(String[] args) {
DB_Connection ob_DB_Connection=new DB_Connection();
System.out.println(ob_DB_Connection.getConnection());
}
public Connection getConnection(){
Connection connection=null;
System.out.println("Connection called");
try {
Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root", "root");
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
return connection;
}
}
6. MySQL Table data.
7. Take value from DB using the above db class and create the JSP page with dynamic bar codes in the page.
index_db.jsp
<%@page import="java.sql.ResultSet"%> <%@page import="java.sql.Statement"%> <%@page import="java.sql.Connection"%> <%@page import="com.chillyfacts.db.DB_Connection"%> <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <center> <h3>Genearate barcode in JSP from MySQL DB</h3> <br><br> <% try { DB_Connection obj_DBConnection = new DB_Connection(); Connection connection = obj_DBConnection.getConnection(); String query = "select * from links"; Statement stmt = null; stmt = connection.createStatement(); ResultSet rs = stmt.executeQuery(query); while (rs.next()) { %> <img alt="my Image" src="Create_Bar_Code_With_Parameter?value=<%=rs.getString("numbers")%>"><br><br> <% } } catch (Exception e) { out.println(e); } %> </center> </body> </html>
8. Dynamic JSP Page with Barcode created as per the database data
http://localhost:8080/Create_Bar_Code_JSP/index_db.jsp
Download the source code here.
Create_Bar_Code_JSP.rar
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