epmet-work-uni/pages/information/information.vue

<template>
    <!-- pages/information/information.wxml -->
    <view class="containers">
        <ec-canvas data canvas-id="mychart-line" :ec="ec" style="width: 100%; height: 500rpx"></ec-canvas>
    </view>
</template>

<script>
import ecCanvas from '@/ec-canvas/ec-canvas';
import * as echarts from '../../static/echarts.js';
function initChart(canvas, width, height, dpr) {
    const chart = echarts.init(canvas, null, {
        width: width,
        height: height,
        devicePixelRatio: dpr // new
    });

    canvas.setChart(chart);
    var option = {
        title: {
            text: '线状图',
            left: 'center'
        },
        legend: {
            data: ['A', 'B', 'C'],
            top: 30,
            left: 'center',
            z: 100
        },
        grid: {
            containLabel: true
        },
        tooltip: {
            show: true,
            trigger: 'axis'
        },
        xAxis: {
            type: 'category',
            boundaryGap: false,
            data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
            // show: false
        },

        yAxis: {
            x: 'center',
            type: 'value',
            splitLine: {
                lineStyle: {
                    type: 'dashed'
                }
            }
            // show: false
        },

        series: [
            {
                name: 'A',
                type: 'line',
                smooth: true,
                data: [18, 36, 65, 30, 78, 40, 33]
            },
            {
                name: 'B',
                type: 'line',
                smooth: true,
                data: [12, 50, 51, 35, 70, 30, 20]
            },
            {
                name: 'C',
                type: 'line',
                smooth: true,
                data: [10, 30, 31, 50, 40, 20, 10]
            }
        ]
    };
    chart.setOption(option);
    return chart;
}
export default {
    components: {
        ecCanvas
    },
    data() {
        return {
            ec: {
                onInit: initChart
            }
        };
    },
    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 () {}
        };
    },
    onLoad() {
        console.log(this.initChart);
    },
    onReady() {},
    methods: {}
};
</script>
<style>
/* pages/information/information.wxss */
.containers {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
}
</style>