我是 PHP 和 JavaScript 新手，我需要使用从 URL 获取的 JSON 数据创建一个饼图。 JSON 数据是：
[
{"Domain":"Artificial Intelligence","Count":"46"},
{"Domain":"Data Architecture","Count":"21"},
{"Domain":"Data Science","Count":"50"},
]
代码 ：
<!DOCTYPE html>
<html>
<head>
<title></title>
<link href="http://cdn-na.infragistics.com/igniteui/2018.1/latest/css/themes/infragistics/infragistics.theme.css" rel="stylesheet" />
<link href="http://cdn-na.infragistics.com/igniteui/2018.1/latest/css/structure/infragistics.css" rel="stylesheet" />
<script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.8.3.js">
</script>
<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.11.1/jquery-ui.min.js"></script>
<script src="http://cdn- na.infragistics.com/igniteui/2018.1/latest/js/infragistics.core.js"></script>
<script src="http://cdn-na.infragistics.com/igniteui/2018.1/latest/js/infragistics.dv.js"></script>
</head>
<body>
<?php
# Reading JSN Data from URLS
$jsn_data =
file_get_contents("http://localhost:9080/Badges/reporting/badge_json.php");
<div id="chart"></div>
<script type="text/javascript">
$("#chart").igPieChart({
width: "435px",
height: "435px",
dataSource: result,
dataValue: "count",
dataLabel: "Domain",
labelsPosition: "bestFit"
});
});
<script>
</body>
s</html>
但这段代码不起作用。请告诉我怎么做？
dataLabel：您的数据源中不存在“Badge_SubDomain”。
也许尝试一些像...
$("#chart").igPieChart({
width: "435px",
height: "435px",
dataSource: result,
dataValue: "count",
dataLabel: "Domain",
labelsPosition: "bestFit"
});
});
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