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backendskills.php
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Backend</title>
<link rel="shortcut icon" href="jsfrmwk.png" type="image/x-icon">
<style>
.button:hover {background-color: #3e8e41}
.button:active {
background-color: #3e8e41;
box-shadow: 0 5px #666;
transform: translateY(4px);
}
</style>
<!-- Font Awesome -->
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.2/css/all.css">
<!-- Google Fonts -->
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap">
<!-- Bootstrap core CSS -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet">
<!-- Material Design Bootstrap -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/mdbootstrap/4.16.0/css/mdb.min.css" rel="stylesheet">
</head>
<body>
<div class="container">
<div class="row justify-content-center my-5">
<h1>工作機會統計</h1>
</div>
<div class="row d-flex justify-content-center">
<div class="col-md-12">
<canvas id="lineChart"></canvas>
</div>
</div>
<div class="row d-flex justify-content-center">
<button type="button" class="button btn btn-primary" id="refresh" onclick="refresh();">Refresh Data</button>
<button type="button" class="button btn btn-primary" id="in" onclick="datain();">今日輸入</button>
</div>
</div>
<!-- JQuery -->
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<!-- Bootstrap tooltips -->
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.4/umd/popper.min.js"></script>
<!-- Bootstrap core JavaScript -->
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.4.1/js/bootstrap.min.js"></script>
<!-- MDB core JavaScript -->
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mdbootstrap/4.16.0/js/mdb.min.js"></script>
<script>
let refresh = () =>{
$.ajax({
type: 'POST',
dataType: 'json',
url: 'backenddb.php',
data: {
'action': 'refresh'
},
success: function (jsarr) {
if (jsarr[0] == 'NO') {
return;
}
let v=[], r=[], a=[],d=[];
jsarr.forEach((element, index) => {
d[index] = element['d'];
v[index] = element['vue'];
r[index] = element['react'];
a[index] = element['angular'];
});
//line
let ctxL = document.getElementById("lineChart").getContext('2d');
let myLineChart = new Chart(ctxL, {
type: 'line',
data: {
labels: d,
datasets: [{
label: "Vue",
data: v,
backgroundColor: [
'rgba(0, 255, 132, .05)',
],
borderColor: [
'rgba(0, 179, 0, .7)',
],
borderWidth: 2
},
{
label: "React",
data: r,
backgroundColor: [
'rgba(0, 115, 255, .05)',
],
borderColor: [
'rgba(0, 25, 255, .7)',
],
borderWidth: 2
},
{
label: "Angular",
data: a,
backgroundColor: [
'rgba(219, 36, 36, .05)',
],
borderColor: [
'rgba(255, 0, 0, .7)',
],
borderWidth: 2
}
]
},
options: {
responsive: true
}
});
}
});
}
let datain = () => { //get and insert must different function
$.ajax({
type: 'POST',
dataType: 'json',
url: 'jsfrmwkdb.php',
data: {
'Action': 'datain'
},
success: function (jsarr) {
if (jsarr == null) {
alert('Duplicate insert');
return;
}else{
document.querySelector('#chart').innerHTML = '';
document.querySelector('#chart').innerHTML='<canvas id="lineChart"></canvas>';
refresh();
}
}
});
}
refresh();
function makeReq(hr){
return new Promise((resolve,reject)=>{
console.log('waiting for 2pm');
if(hr==14){
resolve(1);
}else{
reject(0);
}
})
}
window.setInterval(function(){ // Set interval for checking
var date = new Date(); // Create a Date object to find out what time it is
if(date.getHours() === 14){ // Check the time
datain();
}
}, 3600000); // Repeat every 3600000 milliseconds (1 hour)
</script>
</body>
</html>