HTML Forms:
- An HTML form is used to collect user input.
- HTML form data
- Either sent to a server for processing.
- Or send to JavaScript code for validation before submit to server.
Send form information directly to Server:
- Below example shows how to submit login form information to Java Servlet program.
- The data will submit to LoginServlet program.
- “name” attribute is used to collect the form values in Servlet program
| <!DOCTYPE html> <html> <body> <h2>Login Form</h2> <form action=”LoginServlet” method=”post”> <label>Enter Username :</label> <input type=”text” name=”user”/> <br/> <label>Enter Password :</label> <input type=”password” name=”pass”> <br/> <input type=”submit” value=”Login”/> </form> </body> </html> |
Form elements: HTML providing form elements to take any type of input from the user. The elements are:
- Labels
- Text boxes
- Password fields
- Check boxes
- Radio button
- Drop down boxes
- Submit buttons…..
Form syntax: All form controls must be placed inside the <form> …. </form> tags
| <form action = ”login.jsp”> // form controls </form> |