我尝试使用 Google Charts 将图表添加到我的 ASP.net MVC 项目
我用最简单的方法来了解它是如何工作的!
在我的控制器上:
public JsonResult Index()
{
var data = new[]
{
new {Name = "China", Value = 1336718015},
new {Name = "India", Value = 1189172906},
new {Name = "United States", Value = 313232044},
new {Name = "Indonesia", Value = 245613043},
new {Name = "Brazil", Value = 203429773},
};
return Json(data,JsonRequestBehavior.AllowGet);
}
在我的网页上
</script><script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">// <![CDATA[
google.load("visualization", "1", { packages: ["corechart"] });
google.setOnLoadCallback(drawChart);
function drawChart() {
$.post('index', {},
function (data) {
var tdata = new google.visualization.DataTable();
tdata.addColumn('string', 'Country');
tdata.addColumn('number', 'Population');
for (var i = 0; i < data.length; i++) {
tdata.addRow([data[i].Name, data[i].Value]);
}
var options = {
title: "Top 5 Country's Population"
};
var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
chart.draw(tdata, options);
});
}
// ]]></script>
<div id="chart_div"></div>
我所拥有的只是页面上的文字:
[{"Name":"China","Value":1336718015},{"Name":"India","Value":1189172906},{"Name":"United States","Value":313232044}, {“名称”:“印度尼西亚”,“价值”:245613043},{“名称”:“巴西”,“价值”:203429773}]