This tutorial will teach you Jsp Servlet Sales Project Step by Step.This project will help you to manage the sales of the shop.
index.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>
</head>
<body>
<div class="container">
<div class="row">
<form method="get" action="servlet">
<div class="col-sm-04">
<label>Do you Want to Drink</label>
<select class="form-control" id="drink" name="drink">
<option value="">Please Select Drink</option>
<option value="pepsi">Pepsi</option>
<option value="cock">Cock</option>
</select>
</div>
<div class="col-sm-04">
<label>Qty</label>
<input type="text" name="qty" id="qty" class="form-conrol">
</div>
<div class="col-sm-04">
<input type="submit" value="Submit" class="btn btn-success">
</div>
</form>
</div>
</div>
</body>
</html>
servlet.java
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/servlet")
public class servlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String item = request.getParameter("drink");
String qty = request.getParameter("qty");
int qtty=0;
int price = 0;
float discount= 0.0f;
if(item.equals("pepsi"))
{
price =25;
discount = 10;
qtty = Integer.parseInt(qty);
float amount = qtty * price;
float disamount = amount * discount/100.0f;
float bill = amount - disamount;
out.println("<form method='get' action='servlet'>");
out.println("<table border=2 cellpadding=0 cellspacing=0>");
out.println("<tr>");
out.println("<td colspan=2>Order Details</td>");
out.println("</tr>");
out.println("<tr><td>Drink</td> <td> " + item + "</td></tr>");
out.println("<tr><td>Price</td> <td> " + price + "</td></tr>");
out.println("<tr><td>Amount</td> <td> " + amount + "</td></tr>");
out.println("<tr><td>DiscountAmount</td> <td> " + disamount + "</td></tr>");
out.println("<tr><td>Bill</td> <td> " + bill + "</td></tr>");
out.println("</table>");
out.println("</form>");
}
else if(item.equals("cock"))
{
price =30;
discount = 5;
qtty = Integer.parseInt(qty);
float amount = qtty * price;
float disamount = amount * discount/100.0f;
float bill = amount - disamount;
out.println("<form method='get' action='servlet'>");
out.println("<table border=2 cellpadding=0 cellspacing=0>");
out.println("<tr>");
out.println("<td colspan=2>Order Details</td>");
out.println("</tr>");
out.println("<tr><td>Drink</td> <td> " + item + "</td></tr>");
out.println("<tr><td>Price</td> <td> " + price + "</td></tr>");
out.println("<tr><td>Amount</td> <td> " + amount + "</td></tr>");
out.println("<tr><td>DiscountAmount</td> <td> " + disamount + "</td></tr>");
out.println("<tr><td>Bill</td> <td> " + bill + "</td></tr>");
out.println("</table>");
out.println("</form>");
}
}
}
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