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How to submit a form using Ajax and receive json data in it

php中世界最好的语言
php中世界最好的语言Original
2018-03-31 13:43:492124browse

This time I will show you how to use Ajax to submit a form and receive the json data, and how to use Ajax to submit a form and receive the json data. What are the precautions? The following is a practical case, let's take a look. one time.

Requirements:

After clicking the button, the data is submitted to the server in the form of a form and the return data from the server is received. The page does not refresh during the process.

html code

<html xmlns="http://www.w3.org/1999/xhtml">
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
 <script src="./testajaxjs.js"></script>
 <head>
 </head>
 <body>
  <form id="form1">
   <p>xingming:<input type="text" name="xingming"/></p>
   <p>nianling:<input type="text" name="nianling"/></p>
  </form>
  <button type="button" id="mybt" onclick="mysubmmit()">
   ajax提交
  </button>
 </body>
</html>
js code

function mysubmmit(){
 $.ajax({
  type: "POST",
  url: "testajaxend.php",
  data: $('#form1').serialize(),
  async: false,
  success: function(databack){
   //console.log("chenggong");
   console.log(databack);
  },
  error: function(request){
   console.log("shibaile");
  }
 });
}
Backend

php code

<?php
  $name = $_POST[&#39;xingming&#39;];
  $age = $_POST[&#39;nianling&#39;];
  $myarray = array("name"=>$name, "age"=>$age);
  $myjson = json_encode($myarray);
  echo $myjson;
?>
I believe you have mastered it after reading the case in this article Method, for more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

How to use native ajax and encapsulated ajax (with code)

Ajax method to implement Form form Submission method

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