Simple json interaction example between php and html

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Front-end (HTML) code

Simple example of foreground processing json
  
  
   
    
$ ("Document "). ready (function () {var url = "server2.php"; var data = {"do": "first"}; $. getJSON (url, data, function (res) {$ ("# username "). val (res. username); $ ("# password "). val (res. password) ;}); var data = {"do": "second" };$. getJSON (url, data, function (res) {$ ("# members "). val (res [2]. username );});});
    
Get user name and password
User name:
    
    
Password:
    
    

    
Obtain member information
    
   
  

Background (PHP) code

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