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想要实现的效果:

 

需要自己编写渲染函数

options: {

“animation”: {
“duration”: 1,
“onComplete”: function() {
var chartInstance = this.chart,
ctx = chartInstance.ctx;

ctx.font = Chart.helpers.fontString(Chart.defaults.global.defaultFontSize, Chart.defaults.global.defaultFontStyle, Chart.defaults.global.defaultFontFamily);
ctx.textAlign = ‘right’;
ctx.textBaseline = ‘bottom’;

this.data.datasets.forEach(function(dataset, i) {
var meta = chartInstance.controller.getDatasetMeta(i);
console.log(‘meta’, meta)
meta.data.forEach(function(bar, index) {
var data = dataset.data[index];
ctx.fillText(data, bar._model.x+10, bar._model.y+8 );
});
});
}
},

}

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