先筛选出a在从a中筛选出打钩几项,然后统计出1项中的总和。帮我修改一下代码。showallrows()and filterfor("2","=",[%2%]) and movecol("日期",2)and subtotal("日期","1","2",1,3) and FilterFor("3","=",-1,2) And SetLabel(,"共有打勾的"+"行!") And SetLabel("金额之和",SumFor(grid,"1","3","=", - 1))