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Passing Checkbox Data to CGI Program in Python
Checkboxes are used when more than one option is required to be selected.
Example
Here is example HTML code for a form with two checkboxes −
<form action = "/cgi-bin/checkbox.cgi" method = "POST" target = "_blank"> <input type = "checkbox" name = "maths" value = "on" /> Maths <input type = "checkbox" name = "physics" value = "on" /> Physics <input type = "submit" value = "Select Subject" /> </form>
Output
The result of this code is the following form −
Below is checkbox.cgi script to handle input given by web browser for checkbox button.
#!/usr/bin/python # Import modules for CGI handling import cgi, cgitb # Create instance of FieldStorage form = cgi.FieldStorage() # Get data from fields if form.getvalue('maths'): math_flag = "ON" else: math_flag = "OFF" if form.getvalue('physics'): physics_flag = "ON" else: physics_flag = "OFF" print "Content-type:text/html\r\n\r\n" print "<html>" print "<head>" print "<title>Checkbox - Third CGI Program</title>" print "</head>" print "<body>" print "<h2> CheckBox Maths is : %s</h2>" % math_flag print "<h2> CheckBox Physics is : %s</h2>" % physics_flag print "</body>" print "</html>"
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