Fetch the data using jsp standard action
I want the code of fetch the data from the database & show in a jsp page using jsp:usebean in MVC model 2 architecture. Suppose after login a user can view his/her details which he entered at the time of registration.
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July 6, 2012 at 3:12 PM
Here is an application that retrieves the data from the database through java bean and display it in jsp page through servlet.
1)EmpBean.java:
package form;
import java.sql.*;
import java.util.*;
public class EmpBean {
public List dataList(){
ArrayList list=new ArrayList();
try{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
Statement st=con.createStatement();
ResultSet rs=st.executeQuery("select * from employee");
while(rs.next()){
list.add(rs.getString("name"));
list.add(rs.getString("address"));
list.add(rs.getString("contactNo"));
list.add(rs.getString("email"));
}
}
catch(Exception e){}
return list;
}
}
2)BeanInServlet.java:
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class BeanInServlet extends HttpServlet{
protected void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException{
form.EmpBean p = new form.EmpBean();
List list=p.dataList();
req.setAttribute("data", list);
RequestDispatcher rd = req.getRequestDispatcher("/jsp/beandata.jsp");
rd.forward(req, res);
}
}
3)beandata.jsp:
<%@page language="java" import="java.util.*" %>
<html>
<body>
<table border="1" width="303">
<tr>
<td width="119"><b>Name</b></td>
<td width="168"><b>Address</b></td>
<td width="119"><b>Contact no</b></td>
<td width="168"><b>Email</b></td>
</tr>
<%Iterator itr;%>
<% List data= (List)request.getAttribute("data");
for (itr=data.iterator(); itr.hasNext(); ){
%>
<tr>
<td width="119"><%=itr.next()%></td>
<td width="168"><%=itr.next()%></td>
<td width="168"><%=itr.next()%></td>
<td width="168"><%=itr.next()%></td>
</tr>
<%}%>
</table>
</body>
</html>
For more information, visit the following link:
July 7, 2012 at 1:09 AM
In the beandata.jsp you are using scriptlet tag(<% %>).But I am wanting this should be done using jsp:usebean..means scriptless jsp..How can I do that? Thanks in advance
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