<template>
  <view class="charts-box">
    <qiun-data-charts 
      type="column"
      :opts="opts"
      :chartData="chartData"
    />
  </view>
</template>

<script>
export default {
  data() {
    return {
      chartData: {},
      //您可以通过修改 config-ucharts.js 文件中下标为 ['column'] 的节点来配置全局默认参数，如都是默认参数，此处可以不传 opts 。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: {
        color: ["#FAC858","#EE6666","#FAC858","#EE6666","#73C0DE","#3CA272","#FC8452","#9A60B4","#ea7ccc"],
        padding: [15,15,0,5],
        legend: {},
        xAxis: {
          disableGrid: true
        },
        yAxis: {
          data: [
            {
              min: 0
            }
          ]
        },
        extra: {
          column: {
            type: "group",
            width: 30,
            activeBgColor: "#000000",
            activeBgOpacity: 0.08,
            linearType: "custom",
            seriesGap: 5,
            linearOpacity: 0.5,
            barBorderCircle: true,
            customColor: [
              "#FA7D8D",
              "#EB88E2"
            ]
          }
        }
      }
    };
  },
  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 = {
            categories: ["2016","2017","2018","2019","2020","2021"],
            series: [
              {
                name: "目标值",
                data: [35,36,31,33,13,34]
              },
              {
                name: "完成量",
                data: [18,27,21,24,6,28]
              }
            ]
          };
        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: 100%;
    height: 300px;
  }
</style>