// pie.wxml

<view class="containers">
  <ec-canvas >// tuData是自定义的
</view>

// pie.json

{
  "usingComponents": {
    "ec-canvas": "../../ec-canvas/ec-canvas" // 下载的微信版Echarts
  },
  "component": true
}

// pie.js

import * as echarts from '../../ec-canvas/echarts';

function initChart(canvas, width, height, dpr, pieData) { // 这里多加了pieData参数
  const chart = echarts.init(canvas, null, {
    width: width,
    height: height,
    devicePixelRatio: dpr // 像素
  });
  canvas.setChart(chart);
  // console.log('数据：',pieData)
  // pieData为页面传过来的数组数据：[[分类],[分类颜色],[标签字大小,标签字颜色],分类一数据,分类二数据]
  let option = {
    title: {},
    tooltip: {
      trigger: 'item',
      formatter: '{b} : {c}'
    },
    legend: {
      left: 'center',
      bottom: 20,
      textStyle: {
        fontSize: pieData[2][0],
        color: pieData[2][1]
      },
      data: pieData[0]
    },
    color: pieData[1],
    // color: ['#FD7031','#00d6a5'],
    series: [{
      name: '客户',
      type: 'pie',
      radius: '60%',
      center: ["45%", "38%"], 
      label: {
        position: 'inner',
        show: true,
        formatter: '{c}'
      },
      data: [{
          value: pieData[3] ? pieData[3] : 0,
          name: pieData[0][0],
          // name: '已联系客户',
          formatter: '{c}',
          tooltip: {
            trigger: 'item',
            formatter: '{b} : {c}'
          }
        },
        {
          // name: '未联系客户',
          value: pieData[4] ? pieData[4] : 0,
          name: pieData[0][1],
          formatter: '{c}',
          tooltip: {
            trigger: 'item',
            formatter: '{b} : {c}'
          }
        }
      ],
      emphasis: {
        itemStyle: {
          shadowBlur: 10,
          shadowOffsetX: 0,
          shadowColor: 'rgba(0, 0, 0, 0.5)'
        }
      },
    }]
  };
  chart.setOption(option);
  return chart;
}

Component({
// 接收页面传递过来的 pieData 饼图数据
  properties: {
    pieData: {
      type: Array
    }
  },
  data: {
    ec: {
      onInit: initChart
    }
  }
})