Dim dt As DataTable
Dim dtb As New DataTableBuilder("计分统计表")
dtb.AddDef("工号", Gettype(String), 16)
dtb.AddDef("计分金额", Gettype(Double))
dtb.AddDef("路程", Gettype(Double))dt = dtb.Build()
'开始逐行累加统计
Dim lst As New Dictionary(of String ,DataRow) '定义一个字典,用于检索每个工号在计分统计表中对应的行
For Each dr1 As DataRow In DataTables("派工_Table1").Select("截止日期>='" & sd & "' and 截止日期 <'" & ed.AddDays(1) & "' and 交单='已交单' and 工号 is not null")
If dr1.IsNull("工号") = False Then '如果工号列不为空
Dim nms() As String = dr1("工号").Split(",") '将工号列内容拆分成数组
Dim v As Double = dr1("计分金额") / nms.Length '获得平均之后每个工号的生产计分金额
For Each nm As String In nms '遍历参与加工此产品的每个工号
Dim dr2 As DataRow
If lst.ContainsKey(nm) '如果集合中包括此工号对应的行
dr2= lst(nm) '将此行赋值给变量dr2
Else
dr2 = dt.AddNew() '否则增加一行.
dr2("工号") = nm '新增行的工号列设置为此工号
lst.add(nm,dr2) '将新增行添加到字典中,以便接下来检索
End If
dr2("计分金额") = dr2("计分金额") + v '加上平均后的产量
dr2("路程") = dr2("路程") + dr1("路程") Next
End If
Next