田源
2023-11-24 726df452c8749f9f208f67ede9864f223d44ff49
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<template>
  <basic-container>
    <v-chart id="chart" :auto-resize="true" :options="chartOptions"></v-chart>
  </basic-container>
</template>
 
<script>
import 'echarts'
import 'echarts/lib/component/tooltip'
import 'echarts/lib/component/title'
import 'echarts/lib/component/legend'
 
export default {
  name: "ColumnarChart",
  props:{
    columnarData:{
      type:Array,
      default:[]
    },
    chartName:{
      type:String,
      default: ""
    }
  },
  watch:{
    columnarData:{
      immediate:true,
      handler(newval,oldval){
        if(newval && newval.length > 0){
          const minValues = newval[0].map(function (_, i) {
            return Math.min.apply(
              null,
              newval.map(function (item) {
                return item[i];
              })
            );
          });
 
          let colors = ["#91CC75", "#5470C6"];
 
          const seriesData = [];
          for (let i = 0; i < newval.length; i++) {
            let curSeriesData = [];
            for (let j = 0; j < newval[i].length; j++) {
              let borderRadius = [0, 0, 0, 0];
              if (newval[i][j] === minValues[j]) {
                borderRadius = [50, 50, 0, 0];
              }
              curSeriesData.push({
                value: newval[i][j],
                itemStyle: {
                  normal: {
                    barBorderRadius: borderRadius,  // 设置圆角
                    color: colors[i],
                  }
                },
              });
            }
            let seriesName = (i === 0 ? "总量" : "新增")
            seriesData.push({
              name: seriesName,
              type: "bar",
              stack: "总量",
              data: curSeriesData,
              label: {
                show: true,
                position: 'top'
              },
              emphasis: {
                focus: "series",
              },
            });
            this.chartOptions.series=seriesData
          }
        }
      }
    },
    chartName:{
      handler(newval,oldval){
        if(newval){
          console.log(newval)
          this.chartOptions.title.text = newval + "数据统计"
        }
      },
      immediate:true,
      deep:true
    }
  },
  data() {
    return {
      chartOptions: {
        color:["#91CC75", "#5470C6"],
        title: {
          text: "",
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "shadow",
          },
        },
        legend: {
          data: ["总量", "新增"],
          left: "center",
        },
        xAxis: {
          type: "category",
          data: [
            "一月",
            "二月",
            "三月",
            "四月",
            "五月",
            "六月",
            "七月",
            "八月",
            "九月",
            "十月",
            "十一月",
            "十二月",
          ],
        },
        yAxis: {
          type: "value",
        },
        series: [],
      },
    };
  },
  created() {
  },
};
</script>
 
<style scoped lang="scss">
#chart {
  width: 100%;
  height: 560px;
}
</style>