uni-app微信小程序使用echarts的详细图文教程

npm install echarts mpvue-echarts

var isDomLevel2 = (typeof window !== 'undefined') && !!window.addEventListener;

// An highlighted block
    function Pe(t, e, n, i) {
        if (isDomLevel2) {
            t.addEventListener(e, n, i)
        } else {
            t.attachEvent('on' + e, n)
        }
    }

    function Le(t, e, n, i) {
        if (isDomLevel2) {
            t.removeEventListener(e, n, i)
        } else {
            t.detachEvent('on' + e, n)
        }
    }

// An highlighted block
    if (isDomLevel2) {
         t.preventDefault(), t.stopPropagation(), t.cancelBubble = !0
    } else {
         t.returnValue = false;
         t.cancelBubble = !0
    }

<template>
  <view class="echarts-wrap">
    <my-echarts
      id="main"
      ref="mapChart"
      :echarts="echarts"
      :onInit="initChart"
    />
  </view>
</template>
 
<script>
import * as echarts from "@/pages/data/static/js/echarts.min.js";  //这里根据自己存放的路径修改
import myEcharts from "@/pages/data/components/mpvue-echarts/src/echarts.vue"; //这里根据自己存放的路径修改

let chart = null;  //放外层方便拿到echart实例
export default {
  components: {
    myEcharts,
  },
  data() {
    return {
      echarts,
    };
  },
  onReady() {},
  mounted() {
    setTimeout(() => {
      chart.on("click", (params) => {  //监听图例点击事件（详细参见echart文档）
        this.$emit("chartClick", params);
      });
    }, 500);
    this.updateData() //模拟动态更新数据
  },
  methods: {
    initChart(canvas, width, height) {
      chart = echarts.init(canvas, null, {
        width: width,
        height: height,
      });
      canvas.setChart(chart);
      var option = {
        xAxis: {
          type: "category",
          data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
        },
        yAxis: {
          type: "value",
        },
        series: [
          {
            data: [120, 200, 150, 80, 70, 110, 130],
            type: "bar",
          },
        ]
      }; // ECharts 配置项（详细的图表配置参见 echart配置项）

      chart.setOption(option);

      return chart; // 返回 chart 后可以自动绑定触摸操作
    },
    updateData(){
        setTimeout(()=>{
            chart.setOption({
                series:[{
                    data:[30, 90, 111, 20, 70, 88, 11]
                }]
            })
        },1000)
    },
  },
};
</script>
 
<style>
.echarts-wrap {
  width: 100%;
  height: 300px;
}
</style>