在 PowerBI 报告中展示可滚动的表格，是一个相当普遍的需求。然而，PowerBI 自身的表格和矩阵功能仅支持静态效果，无法实现数据的动态滚动展示。借助 SVG 代码虽可达成这一目标，但并不是每个人都会用SVG，因此之前想要实现这一需求并非易事。
附件是PowerBI报告的TMDL脚本，请你分析这个模型，并帮我用SVG代码生成一个滚动表格的度量值，表格中体现的是每个产品的零售价、销售数量、销售额和利润等信息，要求表格第一行标题固定，连续循环滚动，背景透明。
滚动表格 =VAR RowHeight = 35// 行高VAR FontSize = 12 // 字体大小VAR TableWidth = 800// 表格总宽VAR ColCount = 5// 列数VAR ColWidth = TableWidth / ColCountVAR VisibleRows = 5 // 可见行数VAR TotalHeight = (VisibleRows + 1) * RowHeightVAR AnimationDuration = 15// 滚动速度（秒）// 列中心坐标计算（兼容DAX语法）VAR Col1_X = ColWidth * 0 + ColWidth/2VAR Col2_X = ColWidth * 1 + ColWidth/2VAR Col3_X = ColWidth * 2 + ColWidth/2VAR Col4_X = ColWidth * 3 + ColWidth/2VAR Col5_X = ColWidth * 4 + ColWidth/2// 数据准备（含行索引）VAR Data =ADDCOLUMNS(SUMMARIZE('产品表','产品表'[产品名称],"零售价", MAX('产品表'[零售价]),"销售数量", CALCULATE(SUM('订单表'[销售数量])),"销售额", CALCULATE(SUM('订单表'[销售额])),"利润", CALCULATE(SUM('订单表'[利润]))),"RowIndex", RANKX(ALL('产品表'), '产品表'[产品名称], , ASC, Dense))VAR RowCount = COUNTROWS(Data)// 标题垂直居中修正（核心修改点）VAR HeaderY = RowHeight/2 + FontSize/3// 精确垂直居中公式VAR Header ="<text x='0' y='" & HeaderY & "' font-size='" & FontSize & "'fill='white' font-weight='bold'dominant-baseline='middle'text-anchor='middle'><tspan x='" & Col1_X & "'>产品名称</tspan><tspan x='" & Col2_X & "'>零售价</tspan><tspan x='" & Col3_X & "'>销售数量</tspan><tspan x='" & Col4_X & "'>销售额</tspan><tspan x='" & Col5_X & "'>利润</tspan></text>"// 数据行模板（同步垂直居中）VAR DataRows =CONCATENATEX(Data,VAR YPosition = [RowIndex] * RowHeightRETURN"<g transform='translate(0," & YPosition & ")'><text y='" & HeaderY & "' font-size='" & FontSize & "'fill='white' dominant-baseline='middle' text-anchor='middle'><tspan x='" & Col1_X & "'>" & '产品表'[产品名称] & "</tspan><tspan x='" & Col2_X & "'>¥ " & FORMAT([零售价], "#,0") & "</tspan><tspan x='" & Col3_X & "'>" & FORMAT([销售数量], "#,0") & "</tspan><tspan x='" & Col4_X & "'>¥ " & FORMAT([销售额], "#,0") & "</tspan><tspan x='" & Col5_X & "'>¥ " & FORMAT([利润], "#,0") & "</tspan></text></g>",UNICHAR(10))// 动画逻辑（无缝滚动）VAR AnimatedContent ="<g transform='translate(0," & RowHeight & ")'><animateTransformattributeName='transform'type='translate'from='0 0'to='0 -" & (RowCount * RowHeight) & "'dur='" & IF(RowCount <= VisibleRows, 0, AnimationDuration) & "s'repeatCount='indefinite'/>" & DataRows & DataRows & "</g>"RETURN"data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'width='" & TableWidth & "'height='" & TotalHeight & "'viewBox='0 0 " & TableWidth & " " & TotalHeight & "'style='background:transparent;font-family:Segoe UI'><!-- 固定标题栏 --><rect width='100%' height='" & RowHeight & "'fill='rgba(75,183,218,1)' rx='3'/>" & Header & "<!-- 滚动遮罩 --><mask id='scrollMask'><rect width='100%' height='" & (TotalHeight - RowHeight) & "'y='" & RowHeight & "' fill='white'/></mask><!-- 滚动内容 --><g mask='url(#scrollMask)'>" & AnimatedContent & "</g><!-- 装饰性边框 --><rect width='100%' height='100%'fill='none' stroke='#555' stroke-width='1'/></svg>"
