我正在尝试使用 Ajax 获取两个日期之间的数据并使用 HighCharts 显示图表。 以下是我到目前为止所尝试过的；
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link href="../webroot/css/cake.generic.css" type="text/css" rel="stylesheet">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
//default
$('#dynamic_data').change(function() {
var startdate = document.getElementById('startdate').value;
var enddate = document.getElementById('enddate').value;
});
var options = {
chart: {
renderTo: 'container',
type: 'column'
},
title: {
text: 'Highcharts Chart PHP with MySQL Example',
x: -20 //center
},
subtitle: {
text: 'Sumber : Jabatan XYZ',
x: -20
},
xAxis: {
categories: []
},
yAxis: {
title: {
text: 'Jumlah Pelawat'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
tooltip: {
headerFormat: '<span style="font-size:11px">{series.name}</span><br>',
pointFormat: '<span style="color:{point.color}">{point.name}</span>:<b>{point.y}</b> of total<br/>'
},
plotOptions: {
series: {
borderWidth: 0,
dataLabels: {
enabled: true,
format: '{point.y}'
}
}
},
legend: {
layout: 'vertical',
align: 'right',
verticalAlign: 'top',
x: -40,
y: 100,
floating: true,
borderWidth: 1,
shadow: true
},
series: []
};
function getAjaxData(id) {
$.getJSON("data/data-basic-colm-ajax.php", function(json) {
options.xAxis.categories = json[0]['data']; //xAxis: {categories: []}
options.series[0] = json[1];
chart = new Highcharts.Chart(options);
});
}
});
</script>
<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/exporting.js"></script>
</head>
<body>
<a class="link_header" href="/highcharts/"><< Back to index</a>
<div class="menu_top" >
<div id="dynamic_data">
<input type="date" id="startdate">
<input type="date" id="enddate">
</div>
</div>
<div id="container" style="min-width: 400px; height: 400px; margin: 0 auto;"></div>
</body>
</html>
这是我的data-basic-colm-ajax.php 文件，
<?php
require '../../conn/connection.php';
$startdate = $_GET['startdate'];
$enddate = $_GET['enddate'];
$result = mysql_query('SELECT DISTINCT(membername), COUNT(membername)
AS member
FROM responses
WHERE timerecorded>=" . $startdate . " AND AND timerecorded<=" . $enddate . " GROUP BY membername;');
$bln = array();
$bln['name'] = 'Bulan';
$rows['name'] = 'Jumlah Pelawat';
while ($r = mysql_fetch_array($result)) {
$bln['data'][] = $r['membername'];
$rows['data'][] = $r['member'];
}
$rslt = array();
array_push($rslt, $bln);
array_push($rslt, $rows);
print json_encode($rslt, JSON_NUMERIC_CHECK);
mysql_close($con);
由于我是 Ajax 新手，因此我们将不胜感激。
最佳答案
我不确定为什么你想要在 div 上进行 change 事件，尝试更改为:
<div id="dynamic_data">
<input type="date" id="startdate">
<input type="date" id="enddate">
// add button
<input type="button" id="myBtn">
</div>
JS
// this function called after button was clicked
$('#myBtn').click(function(){
var startdate = $('#startdate').val(),
enddate = $('#enddate').val();
getAjaxData(startdate, enddate);
});
// i'm assume the queries from database already worked out
// simply use this below code to send parameter during request
function getAjaxData(startdate, enddate) {
$.getJSON( "data/data-basic-colm-ajax.php", { startdate: startdate, enddate: enddate }, function(json) {
options.xAxis.categories = json[0]['data']; //xAxis: {categories: []}
options.series[0] = json[1];
chart = new Highcharts.Chart(options);
});
}
如果您想在第一次加载页面时显示图表，请使用日期的默认值调用 getAjaxData(startdate, enddate)。
关于php - 使用 Ajax 生成两个日期之间的 HighChart，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/32114158/