以文本方式查看主题 - Foxtable(狐表) (http://foxtable.net/bbs/index.asp) -- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2) ---- 多个数据表结构输出到txt文件 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=177691) |
-- 作者:phoebe-fdk -- 发布时间:2022/5/31 10:48:00 -- 多个数据表结构输出到txt文件 Dim Raw As new List(of String) For Each nd As WinForm.TreeNode In tv.AllNodes If nd.Checked = True Then Raw.Add(nd.Text) End If Next If Raw.Count = 0 Then messagebox.show("数据表至少选择一个.") Return End If Dim dt As DataTable Dim d As Date = Date.Now Dim Name As String = d.Year & Format(d.Month,"00") & Format(d.Day,"00") & Format(d.Hour,"00") & Format(d.Minute,"00") & Format(d.Second,"00") Dim Ex_Path As String = tb_path & "\\表结构输出_" & name For Each RawData As String In Raw Select Case RawData Case "测量信息" dt = DataTables("1") Case "原始数据" dt = DataTables("2") End Select Select Case cb_Format Case "TXT" Ex_Path = Ex_Path & ".txt" Dim bzf As String = RawData & vbcr & "列名" & vbtab & "类型" & vbtab & "长度" FileSys.WriteAllText(Ex_Path ,vbcr & bzf,True,Encoding.Unicode) \'\'\'写入列名 For Each dc As DataCol In dt.DataCols Dim s As String s = dc.Name & vbtab & dc.datatype.Name & vbtab & dc.MaxLength FileSys.WriteAllText(Ex_Path ,vbcr & s,True,Encoding.Unicode) Next
Case "Excel"
... end select next 老师,我上面的代码想输出多个数表结构到文本文件或Excel文件中。以上是部分代码,选择了多个数据表,写入到文本文件时,只能写进去一个数据表的结构数据,是哪个地方出错了,Excel可以实现多个数据表结构输出
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-- 作者:有点蓝 -- 发布时间:2022/5/31 10:55:00 -- 调试 msgbox(Raw.count) For Each RawData As String In Raw msgbox("RawData=" & RawData) Select Case RawData Case "测量信息" dt = DataTables("1") Case "原始数据" dt = DataTables("2") End Select msgbox("dt=" & dt.name) msgbox("cb_Format=" & cb_Format) Select Case cb_Format Case "TXT" Ex_Path = Ex_Path & ".txt" msgbox("Ex_Path=" & Ex_Path) Dim bzf As String = RawData & vbcr & "列名" & vbtab & "类型" & vbtab & "长度" FileSys.WriteAllText(Ex_Path ,vbcr & bzf,True,Encoding.Unicode) \'\'\'写入列名 |