--
dim nr as row
for each r as row in tables("表A").rowsfor each s as string in r("姓名").split(",")
nr = tables("表B").addnew
dim sr() as string = s.split("(")
nr("姓名") = sr(0)
nr("编号") = r("编号")
nr("占比") = sr(1).replace(")","")
next
next
对表B做个分组统计即可得到方式二