A pie chart is a roundabout factual realistic which is separated into cuts to envision mathematical information. The bend length of a pie graph is relative to the amount it addresses. Pie diagrams are generally utilized in the business portrayal and the broad communications.
Google API gives a simple answer for make outlines on the site. In this article, we give bit by bit cycle to make a powerful pie outline.
A diagram which is made to show records in the extent inside a round graph in type of areas is known as Pie Chart. Each sector is proportion of total and total value of pie is always 100 percent.
Dynamic Pie diagram implies that getting information from data set to show in extent in areas. This instructional exercise will assist you with making Pie diagram for your web application.
Utilizing the Google Chart devices we will make pie outline in PHP with MySQL. Google Pie diagram apparatus is open source and simple to use in web application. Google have wide range of chart types and you can use as per need.
data.php
<?php
header('Content-Type: application/json');
$conn = mysqli_connect("localhost","root","","phpgraphs");
$sqlQuery = "SELECT student_id,student_name,marks FROM tbl_marks ORDER BY student_id";
$result = mysqli_query($conn,$sqlQuery);
$data = array();
foreach ($result as $row) {
$data[] = $row;
}
mysqli_close($conn);
echo json_encode($data);
?>
index.php
<!DOCTYPE html>
<html>
<head>
<title>Creating dynamic data chart using PHP and Chart.js</title>
<style type="text/css">
BODY {
width: 550PX;
}
#chart-container {
width: 100%;
height: auto;
}
.card {
position: relative;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
min-width: 0;
word-wrap: break-word;
background-color: #fff;
background-clip: border-box;
border: 1px solid rgba(0, 0, 0, 0.125);
border-radius: 0.25rem;
}
.card-body {
-webkit-box-flex: 1;
-ms-flex: 1 1 auto;
flex: 1 1 auto;
padding: 1.25rem;
}
</style>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/Chart.min.js"></script>
<body>
<div class="card-body">
<p>How to create pie chart with Mysql dynamic data </p>
<div class="card" id="chart-container">
<canvas id="graphCanvas"></canvas>
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){
$.ajax({
url: "data.php",
method: "GET",
success: function(data){
console.log(data);
var name = [];
var marks = [];
for (var i in data){
name.push(data[i].student_name);
marks.push(data[i].marks);
}
var chartdata = {
labels: name,
datasets: [{
label: 'Student Marks',
backgroundColor : ['#f56954', '#00a65a', '#f39c12', '#00c0ef', '#3c8dbc', '#d2d6de'],
hoverBackgroundColor: 'rgba(230, 236, 235, 0.75)',
hoverBorderColor: 'rgba(230, 236, 235, 0.75)',
data: marks
}]
};
var graphTarget = $("#graphCanvas");
var barGraph = new Chart(graphTarget, {
type: 'pie',
data: chartdata,
});
},
error: function(data) {
console.log(data);
}
});
});
</script>
</body>
</html>