There is no simple brain with violent Ajax. Get access API

Write the interface, just to let the mobile side, Web side, or PC client call.

We write an interface that returns the JSON format, the function is about arithmetic.

<?php
Header (' Content-type:application/json ');
$operator = $_get[' operator ');
$first = $_get[' first ');
$second = $_get[' second ');
if ($operator = = ' Jia ') {//addition
$result = $first + $second;
}
else if ($operator = = ' Jian ') {//subtraction
$result = $first-$second;
}
else if ($operator = = ' Cheng ') {//multiplication
$result = $first * $second;
}
else{//Division
$result = $first/$second;
}
$result = Array (' res ' = = $result, ' status ' =>1);
echo Json_encode ($result);//return JSON data format
?>

<! DOCTYPE html>
<meta charset= ' Utf-8 ' >
<script></script>
<center>
<input type= ' text ' name= ' first ' id= ' first ' >
<input type= ' text ' name= ' second ' id= ' second ' >
<button value= ' Jia ' > Additions </button>
<div id= ' Jia ' ></div>
<button value= ' jian ' > Subtraction </button>
<div id= ' Jian ' ></div>
<button value= ' Cheng ' > multiplication </button>
<div id= ' Cheng ' ></div>
<button value= ' chu ' > Division </button>
<div id= ' Chu ' ></div>
</center>
<script src= ' jquery.js ' ></script>
<script>
$ (function () {
$ (' button '). Click (function () {
var first = $ (' #first '). Val ();
var second = $ (' #second '). Val ();
var operator = $ (this). Val ();
var area = operator;
var query = ' http://localhost/api.php/? ' + ' first= ' +first+ ' &second= ' +second+ ' &operator= ' +operator;
$.get (query, ", function (data,st) {$.get (We want to enter the Urlget string, the parameters are left blank, callback)
$ (' # ' +area). Text (data.res); The button to which the operation is pressed, it is necessary to assign a value in that area
});
});
});
</script>

There is no simple brain with violent Ajax. Get access API