在饼图工具提示中显示自定义属性的最简单方法是什么?
var pieData = [
{
value: 40,
color:"#F7464A",
highlight: "#FF5A5E",
label: "Label 1",
description: "This is a description for label 1"
},
{
value: 60,
color: "#46BFBD",
highlight: "#5AD3D1",
label: "Label 2",
description: "This is a description for label 2"
}
];
var options = {
tooltipTemplate: "<%= label %> - <%= description %>"
};
window.onload = function(){
var ctx = document.getElementById("chart-area").getContext("2d");
window.myPie = new Chart(ctx).Doughnut(pieData, options);
};
我尝试添加一个"decription"属性并打印它,但没有成功。它只是给了我一个错误,说description未定义。我看到有自定义工具提示功能,但那似乎对于这个微不足道的事情来说太麻烦了。是否有更简单的方法?