Ex.05 Design a Website for Server Side Processing

Date: 08.04.2024

AIM:

To design a website to find surface area of a Right Cylinder in server side.

FORMULA:

Surface Area = 2Πrh + 2Πr²
r --> Radius of Right Cylinder
h --> Height of Right Cylinder

DESIGN STEPS:

Step 1:

Clone the repository from GitHub.

Step 2:

Create Django Admin project.

Step 3:

Create a New App under the Django Admin project.

Step 4:

Create python programs for views and urls to perform server side processing.

Step 5:

Create a HTML file to implement form based input and output.

Step 6:

Publish the website in the given URL.

PROGRAM :

<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta http-equiv='X-UA-Compatible' content='IE=edge'>
<title>Area of Surface</title>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<style type="text/css">
body {
    background-color: rgb(159, 223, 255);
}
.edge {
    width: 100%;
    padding-top: 250px;
    text-align: center;
}
.box {
    display: inline-block;
    border: thick dashed purple;
    width: 500px;
    min-height: 300px;
    font-size: 20px;
    background-color:darksalmon;
}
.formelt {
    color: black;
    text-align: center;
    margin-top: 7px;
    margin-bottom: 6px;
}
h1 {
    color: crimson;
    padding-top: 20px;
}
</style>
</head>
<body>
<div class="edge">
    <div class="box">
        <h1>surfacearea of right cylinder</h1>
        <h3>ABISHAI  212223240002</h3>
        <form method="POST">
            {% csrf_token %}
            <div class="formelt">
                Radius: <input type="text" name="radius" value="{{r}}">m<br/>
            </div>
            <div class="formelt">
                Height: <input type="text" name="height" value="{{h}}">m<br/>
            </div>
            <div class="formelt">
                <input type="submit" value="Calculate"><br/>
            </div>
            <div class="formelt">
                Area: <input type="text" name="area" value="{{area}}">m<sup>2</sup><br/>
            </div>
        </form>
    </div>
</div>
</body>
</html>

views.py
from django.shortcuts import render
def squarearea(request):
    context = {}
    context['area'] = "0"
    context['r'] = "0"
    context['h'] = "0"
    if request.method == 'POST':
        print("POST method is used")
        print('request.POST:', request.POST)
        r = request.POST.get('radius', '0') 
        h = request.POST.get('height', '0') 
        print('radius =', r)
        print('height =', h)
        area = 2 * 3.14 * int(r) * int(h) + 2*3.14*int(r)*int(r)
        context['area'] = area
        context['r'] = r
        context['h'] = h
        print('Area =', area)
    
    return render(request, 'mathapp/math.html',context)

urls.py
from django.contrib import admin
from django.urls import path
from mathapp import views
urlpatterns = [
    path('admin/', admin.site.urls),
    path('squarearea/',views.squarearea,name="squarearea"),
    path('',views.squarearea,name="squarearea")
]

SERVER SIDE PROCESSING:

HOMEPAGE:

RESULT:

The program for performing server side processing is completed successfully.

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