Dim t As Table = Tables("表A") For i As Integer = 0 To t.Rows.count-1 Step 2 Dim r1 = t.Rows(i) Dim r2 = t.Rows(i+1) Dim idx = Rand.Next(0, 2) If idx = 0 Then r1("第一列") = "男(主)" r2("第一列") = "女(次)" Else r1("第一列") = "男(次)" r2("第一列") = "女(主)" End If Next