fix : 饼图D3 背景颜色更改

nezha-fronted/src/components/chart/chart/chartPieD3.vue

@@ -125,7 +125,7 @@ export default {
             const showValue = chartDataFormat.getUnit(chartInfo.unit ? chartInfo.unit : 2).compute(value, null, -1, decimals)
             const mapping = this.selectMapping(value, chartInfo.param.valueMapping, chartInfo.param.enable && this.chartInfo.param.enable.valueMapping)
             const type = 'pie'
-            const color = this.colorList[colorIndex]
+            const color = mapping.color.bac ? mapping.color.bac : this.colorList[colorIndex]
             // eslint-disable-next-line vue/no-mutating-props
             mapping && this.chartOption.color && (this.chartOption.color[colorIndex] = mapping.color.bac)
             const legend = this.handleLegend(chartInfo, data, expressionIndex, dataIndex, colorIndex)
@@ -212,8 +212,8 @@ export default {
         // .attr('stroke', 'white')
         // 颜色
           .attr('fill', (d, i) => {
-            if (d.data.color) {
-              return d.data.color
+            if (d.data.mapping.color.bac) {
+              return d.data.mapping.color.bac
             } else {
               return this.colorList[i]
             }