smartmeter-app/echarts-for-weixin-master/pages/heatmap/index.js

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2023-12-05 16:45:28 +08:00
import * as echarts from '../../ec-canvas/echarts';
const app = getApp();
function initChart(canvas, width, height, dpr) {
const chart = echarts.init(canvas, null, {
width: width,
height: height,
devicePixelRatio: dpr // new
});
canvas.setChart(chart);
const model = {
yCates: ['Saturday', 'Friday', 'Thursday',
'Wednesday', 'Tuesday', 'Monday',
'Sunday'],
xCates: ['1', '2', '3', '4', '5'],
data: [
// [yCateIndex, xCateIndex, value]
[0, 0, 5], [0, 1, 7], [0, 2, 3], [0, 3, 5], [0, 4, 2],
[1, 0, 1], [1, 1, 2], [1, 2, 4], [1, 3, 8], [1, 4, 2],
[2, 0, 2], [2, 1, 3], [2, 2, 8], [2, 3, 6], [2, 4, 7],
[3, 0, 3], [3, 1, 7], [3, 2, 5], [3, 3, 1], [3, 4, 6],
[4, 0, 3], [4, 1, 2], [4, 2, 7], [4, 3, 8], [4, 4, 9],
[5, 0, 2], [5, 1, 2], [5, 2, 3], [5, 3, 4], [5, 4, 7],
[6, 0, 6], [6, 1, 5], [6, 2, 3], [6, 3, 1], [6, 4, 2]
]
};
const data = model.data.map(function (item) {
return [item[1], item[0], item[2] || '-'];
});
const option = {
tooltip: {
position: 'top'
},
animation: false,
grid: {
bottom: 60,
top: 10,
left: 80
},
xAxis: {
type: 'category',
data: model.xCates
},
yAxis: {
type: 'category',
data: model.yCates
},
visualMap: {
min: 1,
max: 10,
show: false,
calculable: true,
orient: 'horizontal',
left: 'center',
bottom: 10,
inRange: {
color: ["#37A2DA", "#32C5E9", "#67E0E3", "#91F2DE", "#FFDB5C", "#FF9F7F"],
}
},
series: [{
name: 'Punch Card',
type: 'heatmap',
data: data,
label: {
normal: {
show: true
}
},
itemStyle: {
emphasis: {
shadowBlur: 10,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}]
};
chart.setOption(option);
return chart;
}
Page({
onShareAppMessage: function (res) {
return {
title: 'ECharts 可以在微信小程序中使用啦!',
path: '/pages/index/index',
success: function () { },
fail: function () { }
}
},
data: {
ec: {
onInit: initChart
}
},
onReady() {
}
});