Ex.05 Design a Website for Server Side Processing

Date: 29/11/24

AIM:

To design a website to calculate the power of a lamp filament in an incandescent bulb in the server side.

FORMULA:

P = I²R
P --> Power (in watts)
I --> Intensity
R --> Resistance

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 :

math.html

<html>
<head>
<style>
    body 
{
background-color:rgb(179, 99, 203);
}
.edge {
height: 100%;
display:flex;
justify-content:center;
align-items: center;
}
.box {
display:block;
border: thick solid rgb(0, 0, 0);
width: 500px;
height: 300px;
font-size: 20px;
background-color:rgb(59, 181, 203);
}
.formelt{
color:black;
text-align: center;
margin-top: 7px;
margin-bottom: 6px;
}
h1
{
color:rgb(0, 0, 0);
text-align: center;
padding-top: 20px;
}
</style>
</head>
<body>
<div class="edge">
<div class="box">
<h1>Power of a Light Filament</h1>
<form method="POST">
{% csrf_token %}
<div class="formelt">
Intensity : <input type="text" name="intensity" value="{{i}}"></input>(in Wm<sup>-2</sup>)<br/>
</div>
<div class="formelt">
Resistance : <input type="text" name="resistance" value="{{r}}"></input>(in ohm)<br/>
</div>
<div class="formelt">
<input type="submit" value="Calculate"></input><br/>
</div>
<div class="formelt">
Power : <input type="text" name="power" value="{{power}}"></input>(in W)<br/>
</div>
</form>
</div>
</div>
</body>
</html>

views.py

from django.shortcuts import render 
def power(request): 
    context={} 
    context['power'] = "0" 
    context['i'] = "0" 
    context['r'] = "0" 
    if request.method == 'POST': 
        print("POST method is used")
        i = request.POST.get('intensity','0')
        r = request.POST.get('resistance','0')
        print('request=',request) 
        print('Intensity=',i) 
        print('Resistance=',r) 
        power = int(i) * int(i) * (int(r)) 
        context['power'] = power 
        context['i'] = i
        context['r'] = r 
        print('Power=',power) 
    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('math/',views.power,name="math"),
    path('',views.power,name="mathroot")
]

SERVER SIDE PROCESSING:

HOMEPAGE:

RESULT:

The program for performing server side processing is completed successfully.

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