你好,我正在使用chartjs的条形图。比如
var barData = {
labels : ["January","February","March","April","May","June"],
datasets : [
{
fillColor : "#48A497",
strokeColor : "#48A4D1",
data : [45,47,124,56,70,60]
}
]
};
如果我们看到这个最大值的数据是124,但刻度将显示45在最高的地方。如何根据最高值设置?
有一个更简单的解决方法。只需将null
添加到数据数组的末尾,如下所示
var barData = {
labels: ["January", "February", "March", "April", "May", "June"],
datasets: [
{
fillColor: "#48A497",
strokeColor: "#48A4D1",
data: [45, 47, 124, 56, 70, 60, null]
}
]
};
我已经从数据中获取了最大的值,并将其与ScaleSteps分开,并在scaleStepWidth中设置,因此它根据我的最高值成为自定义比例。
var myBarChart = new Chart(document.getElementById("id").getContext("2d")).Bar(BarChart, {
animation: false,
scaleOverride: true,
scaleSteps: 10,
scaleStartValue: 0,
scaleStepWidth: 20
});
现在Sacle将是0到200。