111 lines
3.1 KiB
TypeScript
111 lines
3.1 KiB
TypeScript
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import React from "react";
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import ReactEcharts from "echarts-for-react";
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import echarts from 'echarts';
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class Trend extends React.Component {
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getOption(tsdata: any, data: any) :any {
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var option = {
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tooltip: {
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trigger: 'axis',
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position: function (pt: any) {
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return [pt[0], '10%'];
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}
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},
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title: {
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left: 'center',
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text: '大数据量面积图',
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},
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toolbox: {
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feature: {
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dataZoom: {
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yAxisIndex: 'none'
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},
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restore: {},
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saveAsImage: {}
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}
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},
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xAxis: {
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type: 'time',
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boundaryGap: false,
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interval: 20,
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data: tsdata
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},
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yAxis: {
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type: 'value',
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boundaryGap: [0, '10%']
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},
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dataZoom: [{
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type: 'inside',
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start: 0,
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end: 10
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}, {
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start: 0,
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end: 10,
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handleIcon: 'M10.7,11.9v-1.3H9.3v1.3c-4.9,0.3-8.8,4.4-8.8,9.4c0,5,3.9,9.1,8.8,9.4v1.3h1.3v-1.3c4.9-0.3,8.8-4.4,8.8-9.4C19.5,16.3,15.6,12.2,10.7,11.9z M13.3,24.4H6.7V23h6.6V24.4z M13.3,19.6H6.7v-1.4h6.6V19.6z',
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handleSize: '80%',
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handleStyle: {
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color: '#fff',
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shadowBlur: 3,
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shadowColor: 'rgba(0, 0, 0, 0.6)',
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shadowOffsetX: 2,
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shadowOffsetY: 2
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}
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}],
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series: [
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{
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name: '模拟数据',
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type: 'line',
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smooth: true,
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symbol: 'none',
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sampling: 'average',
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itemStyle: {
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color: 'rgb(255, 70, 131)'
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},
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areaStyle: {
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color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
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offset: 0,
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color: 'rgb(255, 158, 68)'
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}, {
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offset: 1,
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color: 'rgb(255, 70, 131)'
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}])
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},
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data: data
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}
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]
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};
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return option;
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}
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render() {
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var base = +new Date(1998, 9, 3);
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var oneDay = 60 * 1000;
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var date = [];
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var data = [Math.random() * 1000];
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for (var i = 1; i < 1000; i++) {
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var now = new Date(base += oneDay);
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date.push(now );
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data.push(Math.round((Math.random() - 0.5) * 20 + data[i - 1]));
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}
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return (
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<ReactEcharts
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notMerge={true}
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option={this.getOption(date, data)}
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style={{ height: '600px', width: '100%' }}
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className='react_for_echarts' />
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)
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}
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}
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export default Trend;
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