<da-layout-row [daGutter]="[24, 24]">
<da-col-item [daSpan]="24">
<div class="da-content-card">
<div class="da-content-title">需求类型统计图</div>
<d-echarts
[options]="histogramData"
height="20rem"
class="da-histogram"
></d-echarts>
</div>
</da-col-item>
</da-layout-row>