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| const echarts = require('../../../component/ec-canvas/echarts');
|
| /**
| * 测评趋势
| */
| export const useChart = Behavior({
| data: {
| ec: {
| lazyLoad: true,
| },
| //折线图时间选择
| planYear: '2000',
| maxYear: '2000',
| },
| ready() {
| this.ecComponent = this.selectComponent('#mychart-dom-line');
| this.initChart();
| },
| methods: {
| initChart: function () {
| var data = {};
| this.ecComponent.init((canvas, width, height, dpr) => {
| // 获取组件的 canvas、width、height 后的回调函数
| // 在这里初始化图表
| const chart = echarts.init(canvas, null, {
| width: width,
| height: height,
| devicePixelRatio: dpr, // new
| });
| canvas.setChart(chart);
| // setOption(chart, data);
|
| // 将图表实例绑定到 this 上，可以在其他成员函数（如 dispose）中访问
| this.chart = chart;
|
| // 注意这里一定要返回 chart 实例，否则会影响事件处理等
| return chart;
| });
| },
| /**
| * 选择计划年份
| */
| bindYearChange(e) {
| let y = e.detail.value;
| this.setData({
| planYear: `${y}年`,
| });
| setOption(this.chart, this.chartData[this.data.planYear]);
| },
|
| refreshChart(data) {
| setOption(this.chart, data);
| },
| },
| });
|
| function setOption(chart, data) {
| var option = {
| color: ['#8BE7B7'],
| grid: {
| containLabel: true,
| },
| tooltip: {
| show: true,
| trigger: 'axis',
| },
| xAxis: {
| name: '月份',
| nameLocation: 'end',
| type: 'category',
| boundaryGap: false,
| data: [
| '1月',
| '2月',
| '3月',
| '4月',
| '5月',
| '6月',
| '7月',
| '8月',
| '9月',
| '10月',
| '11月',
| '12月',
| ],
| nameTextStyle: {
| fontSize: 10,
| },
| // axisTick: {
| // interval = '0'
| // }
| },
| yAxis: {
| name: '得分',
| x: 'center',
| type: 'value',
| splitLine: {
| lineStyle: {
| type: 'dashed',
| },
| },
| // show: false
| },
| grid: {
| x: 30,
| y: 30,
| x2: 37,
| y2: 60,
| },
|
| series: [
| {
| name: '评分',
| type: 'line',
| smooth: true,
| areaStyle: {
| color: {
| type: 'linear',
| x: 0.5,
| y: 0,
| x2: 0.5,
| y2: 1,
| colorStops: [
| {
| offset: 0,
| color: '#28db74', // 0% 处的颜色
| },
| {
| offset: 1,
| color: '#dcfeea79', // 100% 处的颜色
| },
| ],
| opacity: 0.1,
| global: false, // 缺省为 false
| },
| },
| data: data,
| },
| ],
| };
|
| chart.setOption(option);
| }
|
|
