Quantum Internet Benefits

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  The quantum internet is a network of quantum computers that are connected together using quantum communication. It has the potential to revolutionize many industries, including: Secure communications: The quantum internet would be inherently secure, as it would be impossible to eavesdrop on quantum communications without being detected. This could be used for applications such as secure financial transactions, government communications, and military applications. Quantum computing: The quantum internet would allow quantum computers to be connected together, which would allow them to solve problems that are currently impossible for classical computers. This could be used for applications such as drug discovery, financial modeling, artificial intelligence, and materials science. Quantum sensors: The quantum internet could be used to connect quantum sensors together, which would allow them to create a global network of sensors that could be used to monitor the environment, detect earthq

JSP and Servlet Form Submission without page refresh show results on the same page using Jquery AJAX
























Code Snippet

HTML Form 

<form id='ajaxform' name='ajaxform' action='ajaxformexample' method='post'>
 First Name: <input type='text' id='firstname' name='firstname' size='30' required/><br/>
 Last Name: <input type='text' id='lastname' name='lastname' size='30'required/><br/>
 Email:  <input type='email' id='emailid' name='emailid' size='30'required/><br/>
 Password:  <input type='password' id='pwd' name='pwd' size='30'required/><br/>
 <input type='Submit'/> 
 <div id='content'>
</div>

</form>
the above HTML Form uses post method and url servlet redirect to "ajaxformexample"



Javascript Code

 var form = $('#ajaxform'); // id of form tag
 form.submit(function () {

 $.ajax({
 type: form.attr('method'),  //post method
 url: form.attr('action'), //ajaxformexample url
 data: form.serialize(), // serialize input data values
 success: function (data) {
 var result=data;
 $('#content').html(result); //showing result

 }
 });

 return false; // not refreshing page

 });

the above javascript code uses Ajax jquery concept and parameters type, url,data, and finally success function to show result from specified action SERVLET performed results back to same page and in the below code snippet Servlet uses doPost method to get values in the input fields;

public void doPost(HttpServletRequest req, HttpServletResponse resp)
   throws IOException {
  resp.setContentType("text/html");
  
  PrintWriter out=resp.getWriter();
  String fname= req.getParameter("firstname");
  String lname= req.getParameter("lastname");
  String email= req.getParameter("emailid");
  String password= req.getParameter("pwd");
  out.println("<br/><br/>First Name = "+fname+"<br/><br/>Last Name = "+lname+"<br/><br/>Email = "+email+"<br/><br/>Password = "+password);
 }

index.jsp Page








servlet Java





 Output


Comments

  1. actually i used this code and when i enter the submit button the page get refreshed...pls suggest the solution

    ReplyDelete
    Replies
    1. have u used jquery code which will return false as below code ?

      var form = $('#ajaxform'); // id of form tag
      form.submit(function () {

      $.ajax({
      type: form.attr('method'), //post method
      url: form.attr('action'), //ajaxformexample url
      data: form.serialize(), // serialize input data values
      success: function (data) {
      var result=data;
      $('#content').html(result); //showing result

      }
      });

      return false; // not refreshing page

      });

      Delete
  2. And If I want to show in the same form, How I can do that?

    ReplyDelete
  3. Hi, why it opening the page: http://localhost:8080/SisGestWeb/AjaxformexampleServlet instead of displaying the result in the same page?

    ReplyDelete
  4. thnx so much...nicly explaned for beginners very usefulll

    ReplyDelete
  5. It doesn't work. The code reloads the page and open another page. Someone can help me ?

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  7. Suppose we used bootstrap and we want show any error then how i show ...in simple words vaidation/.

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  8. can you provide me jquery code that make crud operation in SPA.

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