ChartJS鼠标移到图例上显示手形

在Chart options中添加:

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// 给图例加手势
legend: {
onHover: function(e) {
e.target.style.cursor = 'pointer';
}
},

// 给图加手势
hover: {
onHover: function(e) {
var point = this.getElementAtEvent(e);
if (point.length) {
e.target.style.cursor = 'pointer';
} else {
e.target.style.cursor = 'default';
}
}
}
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