classCustomMergedCellextendsMergedCell{// 重写绘制文本getFieldValue(){const[groupA]=this.spreadsheet.options.mergedCellsInfo||[]// 根据行列索引拿到合并之前单元格的值constfieldValues=groupA.map(({rowIndex, colIndex})=>{constmeta=this.spreadsheet.facet.getCellMeta(rowIndex,colIndex)returnmeta.fieldValue})constsum=fieldValues.reduce((a,b)=>a+b,0)returnsum}getTextPosition(){constdefaultTextPosition=super.getTextPosition()const{ x, y, width, height}=this.metaconsole.log(this.meta)return{      ...defaultTextPosition,// 重写文本位置// x: 0,// y: 0}}}