📄 thirdservlet.java
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import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
public class thirdservlet extends HttpServlet
{
String accountnumber;
Connection con;
public void doPost(HttpServletRequest req,HttpServletResponse res)throws ServletException,IOException
{
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:MyDataSource","faculty","");
}
catch(Exception e)
{
System.out.println(e);
}
ServletContext context = getServletContext();
String accnum = (String)context.getAttribute("accountnumber");
PrintWriter out = res.getWriter();
res.setContentType("text/html");
out.println("<html>");
out.println("<body bgcolor=pink>");
String amount = req.getParameter("amount");
String checknum = req.getParameter("checknum");
boolean checkcorrect,amountcorrect;
checkcorrect = true;
amountcorrect = true;
if (checknum.length() == 0)
{
checkcorrect = false;
out.println("Pls enter the cheque number properly");
}
String name = new String();
Double temp = Double.valueOf(amount);
double mdeposit = temp.doubleValue();
if (mdeposit <= 0)
{
amountcorrect = false;
out.println("The deposit amount must be valid");
out.println("<br>");
out.println("Pls reenter the amount");
}
if (checkcorrect && amountcorrect)
{
String vc = new String("Cheque Deposit");
double balance = 0;
try{
PreparedStatement s = con.prepareStatement("insert Account_Holder_transaction values(?,getDate(),?,?,?)");
s.setString(1,accnum);
s.setString(2,vc);
s.setString(3,checknum);
s.setDouble(4,mdeposit);
int rows = s.executeUpdate();
try{
con.close();
}
catch(Exception e)
{
System.out.println(e);
}
if (rows == 0)
{
System.out.println("Error inserting rows in the Account_Holder_transaction table");
}
else
{
out.println("Your transaction details have been recorede.");
}
out.println("<br>");
out.println("Click the report button to view the last 20 transaction that were made");
out.println("<br>");
out.println("<form method=post action=fourthservlet>");
out.println("<input type=submit value=Report>");
out.println("</form>");
System.out.println("The value have been successfully inserted in the Account_holder_table");
}
catch(Exception e)
{
System.out.println(e);
}
out.println("</body>");
out.println("</html>");
}
}
}
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