在我们的团队项目中,我们正在使用KendoUI控件,这里遇到了一个问题:当最小化窗口时,图表大小不会减小。如何在浏览器最大化/最小化窗口时增加/减小图表的大小?
<div id="example">
<div id="chart"></div>
</div>
<script>
// Chart Data Source
var exampleData = [
{ "FromDept": "ACT", "ToDept": "NSW", "Year": 2010, "Total": 101 },
{ "FromDept": "ACT", "ToDept": "NSW", "Year": 2011, "Total": 1001 },
{ "FromDept": "ACT", "ToDept": "NSW", "Year": 2012, "Total": 501 },
{ "FromDept": "ACT", "ToDept": "YNT", "Year": 2010, "Total": 501 }
];
// Function to create Chart
function createChart() {
// Creating kendo chart using exampleData
$("#chart").kendoChart({
title: {
text: "Sample"
},
dataSource:
{
data: exampleData,
},
legend: {
position: "bottom"
},
chartArea: {
background: ""
},
seriesDefaults: {
type: "line"
},
series: [{
field: "Total",
}],
valueAxis: {
labels: {
format: "${0}"
}
},
categoryAxis: {
field: "Year"
},
tooltip: {
visible: true,
format: "{0}%"
}
});
}
// Resize the chart whenever window is resized
$(window).resize(function () {
$("#chart svg").width(Number($(window).width()));
$("#chart svg").height(Number($(window).height()));
$("#chart").data("kendoChart").refresh();
});
// Document ready function
$(document).ready(function () {
// Initialize the chart with a delay to make sure
// the initial animation is visible
createChart();
// Initially
$("#chart svg").width(Number($(window).width()));
$("#chart svg").height(Number($(window).height()));
$("#chart").data("kendoChart").refresh();
});
</script>
$(window).resize(function () {
$("#chart svg").width(Number($('.k-content').width()));
$("#chart svg").height(Number($('.k-content').height()));
$("#chart").data("kendoChart").refresh();
});
您可以侦听窗口的resize事件,在其更改时,重置图表中的宽度选项。
window.onresize = function () {
var newWidth = window.innerWidth * .9 // 90% of screen width
var chart = $("#chart").data("kendoChart"); // get chart widget
chart.options.chartArea.width = newWidth; // set new width
chart.redraw(); // redraw the chart
};
.redraw()
而不是.refresh()
,因为redraw
只执行渲染操作,而refresh
会重新读取数据源中的数据,所以速度会稍慢一些。 - CodingWithSpike还有一点,您可能希望在重新绘制之前禁用动画,之后再启用。
$(window).resize(function () {
$("#chart").data("kendoChart").options.transitions = false;
$("#chart").data("kendoChart").refresh();
$("#chart").data("kendoChart").options.transitions = true;
});