专家坐堂-远程图片下载并引用Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

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)
----  远程图片下载并引用  (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=170610)

--  作者：yifan3429
--  发布时间：2021/8/1 12:48:00
--  远程图片下载并引用

远程图片地址("https://weapp-1253522117.image.myqcloud.com//image/20210204/d7d3b458d91346ec.jpg")
Network.DownloadFile("CurRow("商品图片"), "c:\\data\\d7d3b458d91346ec.jpg" ,"" ,"" ,True, 100000, True)
rt.Cells(r + 1,2).Image = GetImage("c:\\data\\d7d3b458d91346ec.jpg")

如何全部下载到指定位置，新下载的文件如何动态指定又如何以马上调用到下载的文件

--  作者：有点蓝
--  发布时间：2021/8/1 20:17:00
--

dim name as string = "c:\\data\\" & filesys.getname(CurRow("商品图片"))
Network.DownloadFile(CurRow("商品图片"), name）
rt.Cells(r + 1,2).Image = GetImage(name)

--  作者：yifan3429
--  发布时间：2021/8/2 14:38:00
--
会有报错，需要下载当前表显示所有行的内容
此主题相关图片如下：企业微信截图_20210802143805.png

--  作者：有点蓝
--  发布时间：2021/8/2 14:39:00
--
判断一下，同名文件如果存在：http://www.foxtable.com/webhelp/topics/0337.htm，就跳过

--  作者：yifan3429
--  发布时间：2021/8/2 14:41:00
--

Dim doc As New PrintDoc
Dim rt As Prt.RenderTable
Dim rx As prt.RenderText
\'Dim rm As New prt.RenderImage() \'定义一个图片对象
Dim CurRow As Row = Tables("活动家居产品库").Current
Dim tbl As Table = Tables("活动家居产品库")
Dim Rows As List(Of DataRow)
Dim Regions As List(Of String) = tbl.DataTable.GetValues("产品系列")
doc.Pagesetting.LandScape = True
For Each Region As String In Regions
rx = New prt.RenderText
rx.Style.FontSize = 14
rx.Style.FontBold = True
rx.Style.Spacing.Bottom = 2
rx.Text = "产品系列: " & Region
doc.Body.Children.Add(rx)
rt = New prt.RenderTable
rt.Style.Font = Tables("活动家居产品库").Font
rt.Style.TextAlignVert = prt.AlignVertEnum.Center
rt.Style.GridLines.All = New prt.LineDef(0.3,Color.LightGray)
rt.Style.Spacing.Bottom = 5
rt.CellStyle.Spacing.All = 1
rt.Style.Font = tbl.Font
Rows = tbl.DataTable.Select("[产品系列] = \'" & Region & "\'") \'分组列为

Dim tb As Table = Tables("活动家居产品库")
Dim ColNames As String() = New String(){"商品名称","商品图片","商品编码","多规格描述","价格","备注"}
rt.Style.Font = tb.Font
rt.Height = "Auto" \'设置表格的高度为80毫米



For c As Integer = 0 To ColNames.Length - 1 \'逐列设置和填入内容
rt.Cells(0,c).Text = ColNames(c) \'列名作为标题
rt.Cells(0,c).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'标题内容水平居中
If ColNames(c) <> "备注" Then \'
rt.Cols(c).Width = tb.Cols(ColNames(c)).PrintWidth
End If

For r As Integer = 0 To tb.Rows.Count -1 \'开始填入该列内容
If ColNames(c) <>"商品图片"
rt.Cells(r + 1, c).Text = tb.Rows(r)(ColNames(c))
Else
Dim name As String = "d:\\data\\" & filesys.getname(CurRow("商品图片"))
If FileSys.FileExists(name) Then
Else
Network.DownloadFile(CurRow("商品图片"), name)
End If

rt.Cells(r + 1,1).Image = GetImage(name)
\'rt.Style.ImageAlign.AlignHorz = prt.ImageAlignHorzEnum.Center \'居中显示
\'
End If
\'
Next

显示的是同一张照片每行都有对应不同的图片
Next
此主题相关图片如下：企业微信截图_20210802144527.png

[此贴子已经被作者于2021/8/2 14:46:58编辑过]

--  作者：有点蓝
--  发布时间：2021/8/2 15:14:00
--

   For r As Integer = 0 To tb.Rows.Count -1 \'开始填入该列内容
If ColNames(c) <>"商品图片"
rt.Cells(r + 1, c).Text = tb.Rows(r)(ColNames(c))
Else
Dim name As String = "d:\\data\\" & filesys.getname(tb.Rows(r)("商品图片"))

--  作者：yifan3429
--  发布时间：2021/8/2 20:03:00
--

\'Dim e = args(0)
Dim doc As New PrintDoc
Dim rt As Prt.RenderTable
Dim rx As prt.RenderText
\'Dim rm As New prt.RenderImage() \'定义一个图片对象
Dim CurRow As Row = Tables("活动家居产品库").Current
Dim tbl As Table = Tables("活动家居产品库")
Dim Rows As List(Of DataRow)
Dim Regions As List(Of String) = tbl.DataTable.GetValues("产品系列")
doc.Pagesetting.LandScape = True
For Each Region As String In Regions
rx = New prt.RenderText
rx.Style.FontSize = 14
rx.Style.FontBold = True
rx.Style.Spacing.Bottom = 2
rx.Text = "产品系列: " & Region
doc.Body.Children.Add(rx)
rt = New prt.RenderTable
rt.Style.Font = Tables("活动家居产品库").Font
rt.Style.TextAlignVert = prt.AlignVertEnum.Center
rt.Style.GridLines.All = New prt.LineDef(0.3,Color.LightGray)
rt.Style.Spacing.Bottom = 5
rt.CellStyle.Spacing.All = 1
rt.Style.Font = tbl.Font
Rows = tbl.DataTable.Select("[产品系列] = \'" & Region & "\'") \'分组列为

Dim tb As Table = Tables("活动家居产品库")
Dim ColNames As String() = New String(){"商品名称","商品图片","商品编码","多规格描述","价格","备注"}
rt.Style.Font = tb.Font
rt.Height = "Auto" \'设置表格的高度为80毫米



For c As Integer = 0 To ColNames.Length - 1 \'逐列设置和填入内容
rt.Cells(0,c).Text = ColNames(c) \'列名作为标题
rt.Cells(0,c).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'标题内容水平居中
If ColNames(c) <> "备注" Then \'
rt.Cols(c).Width = tb.Cols(ColNames(c)).PrintWidth
End If

For r As Integer = 0 To tb.Rows.Count -1 \'开始填入该列内容
If ColNames(c) <>"商品图片"
rt.Cells(r + 1, c).Text = tb.Rows(r)(ColNames(c))
Else
\'Dim name As String = "d:\\data\\" & filesys.getname(CurRow("商品图片"))
Dim name As String = "d:\\data\\" & filesys.getname(tb.Rows(r)("商品图片"))
If FileSys.FileExists(name) Then
Else
Network.DownloadFile(CurRow("商品图片"), name)
End If

rt.Cells(r + 1,1).Image = GetImage(name)
\'rt.Style.ImageAlign.AlignHorz = prt.ImageAlignHorzEnum.Center \'居中显示
\'
End If
\'
Next
Next
rt.Style.GridLines.All = New prt.Linedef \'设置网格线
rt.Cols(0).Width = 15 \'设置前四列的宽度,剩余的宽度被分配给5列(显示图片的那列)
rt.Cols(1).Width = 20
rt.Cols(2).Width = 40
rt.Cols(3).Width = 30
rt.Cols(4).Width = 30
rt.Cols(5).Width = 30
rt.CellStyle.Spacing.All = 0.5 \'内容距离网格线0.5毫米
rt.Style.TextAlignHorz = prt.AlignHorzEnum.Center \'第一行内容水平居中
rt.Style.TextAlignVert = prt.AlignVertEnum.Center \'第一行内容垂直居中
\'rt.Rows(0).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'第一行内容水平居中
\'rt.Rows(0).Style.TextAlignVert = prt.AlignVertEnum.Center \'第一行内容垂直居中
rt.Rows(0).Style.BackColor = Color.LightGray \'第一行背景颜色设为灰色.
rt.RowGroups(0,1).Header = prt.TableHeaderEnum.All \'将第一行作为表头..
doc.Body.Children.Add(rt) \'将表格加入到报表
Next
doc.preview()

还是哪里不对，只显示当前行图片

--  作者：有点蓝
--  发布时间：2021/8/2 20:19:00
--
Network.DownloadFile(tb.Rows(r)("商品图片"), name)

--  作者：yifan3429
--  发布时间：2021/8/2 21:02:00
--
会有报错
此主题相关图片如下：企业微信截图_20210802210250.png

--  作者：有点蓝
--  发布时间：2021/8/2 21:09:00
--
图片单元格没有数据，判断一下有数据再下载