大家好。所以我的 highcharts 馅饼遇到了某种问题,我只有两个项目/图例,即 1995 年和 1996 年。我有一个 1995 年的数据,其中有 2 个,1996 年是 0。
它显示了饼图,但问题是百分比错误。正如您在下图中看到的,它显示了 1995 年和 1996 年。
1995 年应该是 100% 而不是 10%,因为我只有两项,1996 年是正确的,但是因为我没有数据。
这是我的 php 代码
<?php
require '/db/database_configuration.php';
$_1995 = mysqli_query($conn, "SELECT COUNT(*) AS Total FROM `tblalumni` WHERE yeargrad LIKE '1995' and alum_status LIKE 2");
$_1996 = mysqli_query($conn, "SELECT COUNT(*) AS Total FROM `tblalumni` WHERE yeargrad LIKE '1996' and alum_status LIKE 2");
$_1995 = mysqli_fetch_array($_1995);
$_1996 = mysqli_fetch_array($_1996);
// displays zero if none
if (empty($_1995['Total'])) { $_1995 = '0'; } else { $_1995 = $_1995['Total'];}
if (empty($_1996['Total'])) { $_1996 = '0'; } else { $_1996 = $_1996['Total'];}
$ans_1995 = '1995';
$ans_1996 = '1996';
$Data95 = $_1995;
$Data96 = $_1996;
?>
这是我的 JavaScript
<script type="text/javascript">
$(function () {
$('#container').highcharts({
chart: {
plotBackgroundColor: null,
plotBorderWidth: null,
plotShadow: false,
type: 'pie'
},
title: {
text: 'Browser market shares January, 2015 to May, 2015'
},
tooltip: {
pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
},
plotOptions: {
pie: {
allowPointSelect: true,
cursor: 'pointer',
dataLabels: {
enabled: true,
format: '<b>{point.name}</b>: {point.percentage:.1f} %',
style: {
color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black'
}
}
}
},
series: [{
name: 'Brands',
colorByPoint: true,
data: [{
name: <?php echo json_encode($ans_1995); ?>,
y: [<?php echo $Data95; ?>]
}, {
name: <?php echo json_encode($ans_1996); ?>,
y: [<?php echo $Data96; ?>]
}]
}]
});
});
</script>
有人可以帮助我吗?
最佳答案
改变
series: [{
name: 'Brands',
colorByPoint: true,
data: [{
name: <?php echo json_encode($ans_1995); ?>,
y: [<?php echo $Data95; ?>]
}, {
name: <?php echo json_encode($ans_1996); ?>,
y: [<?php echo $Data96; ?>]
}]
}]
至
series: [{
name: 'Brands',
colorByPoint: true,
data: [{
name: <?php echo json_encode($ans_1995); ?>,
y: <?php echo $Data95; ?>
}, {
name: <?php echo json_encode($ans_1996); ?>,
y: <?php echo $Data96; ?>
}]
}]
去掉括号就好了..哈哈哈
关于javascript - Highchart 饼图基础,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41638321/