我使用 Canvasjs 图表 (http://canvasjs.com( 我想在图表渲染div 边框的颜色后更改为红色
<div id="chartContainer" style="height:300px; width:90%; font-family:BMitra; text-align:center; border: 1px solid black;"></div>
<script>
function charting() {
var dataPo = [];
$.getJSON("<?=base_url();?>report/messages/create_report2", function(data) {
for( var i = 0; i < data.length; i++) {
dataPo.push({ label: data[i].label, y: data[i].y });
}
var chart = new CanvasJS.Chart("chartContainer", {
//backgroundColor: "#D2FEFF",
backgroundColor: "transparent",
theme: "theme3",
animationEnabled: true,
title:{
text:"my title",
fontFamily: "BYekan"
},
axisY:{
labelFontFamily: "BYekan"
},
axisX:{
labelFontFamily: "BYekan"
},
toolTip:{
fontSize: 19,
fontFamily: "BYekan",
},
data: [{
type: "column",
dataPoints : dataPo,
}]
});
chart.render();
}
</script>
首先,您的代码缺少一些右括号。
然后,根据这个文档,CanvasJS 没有为 render()
函数提供任何回调句柄,但他们说,因为它非常快,所以在它之后调用函数可能不会有任何问题。
这意味着你可以像这样用jQuery调用来改变边框颜色。
$("yourDivSelector").css("border-color", "red");
并将其放在chart.render();
之后.您的最终代码应如下所示
<script>
function charting() {
var dataPo = [];
$.getJSON("<?=base_url();?>report/messages/create_report2", function(data) {
for( var i = 0; i < data.length; i++) {
dataPo.push({ label: data[i].label, y: data[i].y });
}
var chart = new CanvasJS.Chart("chartContainer", {
//backgroundColor: "#D2FEFF",
backgroundColor: "transparent",
theme: "theme3",
animationEnabled: true,
title:{
text:"my title",
fontFamily: "BYekan"
},
axisY:{
labelFontFamily: "BYekan"
},
axisX:{
labelFontFamily: "BYekan"
},
toolTip:{
fontSize: 19,
fontFamily: "BYekan",
},
data: [{
type: "column",
dataPoints : dataPo,
}]
});
chart.render();
$("yourDivSelector").css("border-color", "red");
});
}
</script>