assess-app/common/chart/pie_chart.vue

<template>
  <view class="charts-box">
    <qiun-data-charts
	  :canvas2d='isCanvas2d'
	  canvasId='cirle'
      type="pie"
      :opts="opts"
      :chartData="chartData"
    />
<!-- 	:canvas2d='true'
	canvasId='pie' -->
  </view>
</template>

<script>
export default {
  data() {
    return {
      isCanvas2d:process.uniEnv.isCanvas2d,
      chartData: {},
      //这里的 opts 是图表类型 type="pie" 的全部配置参数，您可以将此配置复制到 config-ucharts.js 文件中下标为 ['pie'] 的节点中来覆盖全局默认参数。实际应用过程中 opts 只需传入与全局默认参数中不一致的【某一个属性】即可实现同类型的图表显示不同的样式，达到页面简洁的需求。
      opts: {
        timing: "easeOut",
        duration: 1000,
        rotate: false,
        rotateLock: false,
        color: ["#DE5847","#EF8F27","#3ABF7D"],
        // padding: [5,5,5,5],
        fontSize: 13,
        fontColor: "#666666",
        dataLabel: false,
        dataPointShape: true,
        dataPointShapeType: "solid",
        touchMoveLimit: 60,
        enableScroll: false,
        enableMarkLine: false,
        legend: {
          show: false,
          position: "bottom",
          float: "center",
          padding: 5,
          margin: 5,
          backgroundColor: "rgba(0,0,0,0)",
          borderColor: "rgba(0,0,0,0)",
          borderWidth: 0,
          fontSize: 13,
          fontColor: "#666666",
          lineHeight: 11,
          hiddenColor: "#CECECE",
          itemGap: 10
        },
        extra: {
          pie: {
            activeOpacity: 0.5,
            activeRadius: 10,
            offsetAngle: 0,
            labelWidth: 15,
            border: true,
            borderWidth: 3,
            borderColor: "#FFFFFF",
            customRadius: 0,
            linearType: "none"
          },
          tooltip: {
            showBox: true,
            showArrow: true,
            showCategory: false,
            borderWidth: 0,
            borderRadius: 0,
            borderColor: "#000000",
            borderOpacity: 0.7,
            bgColor: "#000000",
            bgOpacity: 0.7,
            gridType: "solid",
            dashLength: 4,
            gridColor: "#CCCCCC",
            boxPadding: 3,
            fontSize: 13,
            lineHeight: 20,
            fontColor: "#FFFFFF",
            legendShow: true,
            legendShape: "auto",
            splitLine: true,
            horizentalLine: false,
            xAxisLabel: false,
            yAxisLabel: false,
            labelBgColor: "#FFFFFF",
            labelBgOpacity: 0.7,
            labelFontColor: "#666666"
          }
        }
      }
    };
  },
  onReady() {
    this.getServerData();
  },
  methods: {
    getServerData() {
      //模拟从服务器获取数据时的延时
      setTimeout(() => {
        //模拟服务器返回数据，如果数据格式和标准格式不同，需自行按下面的格式拼接
        let res = {
            series: [
              {
                data: [{"name":"一班","value":30},{"name":"二班","value":30},{"name":"三班","value":30}]
              }
            ]
          };
        this.chartData = JSON.parse(JSON.stringify(res));
      }, 500);
    },
  }
};
</script>

<style scoped>
  /* 请根据实际需求修改父元素尺寸，组件自动识别宽高 */
  .charts-box {
    width: 135px;
    height: 135px;
  }
</style>