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主题:[求助]weui框架下的上传图片

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[求助]weui框架下的上传图片  发帖心情 Post By:2017/11/1 11:45:00 [只看该作者]

想在上传图片的同时将这些所填写的数据保存到数据库中,在数据库中的一张表里的“照片”字段里保存图片的名字以便用于后期显示,同时图片上传到磁盘中,现在是无法同时保存到数据库中
部分代码如下:
Dim fl As String = "d:\web\" & e.path
If filesys.FileExists(fl)
    Dim idx As Integer = fl.LastIndexOf(".")
    Dim ext As String  = fl.SubString(idx)
    Select Case ext
        Case ".jpg",".gif",".png",".bmp",".wmf",".js",".css" ,".html",".htm",".zip",".rar"
            e.WriteFile(fl)
            Return '这里必须返回
    End Select
End If
Select Case e.Path
    Case "xzcpqd.htm"
        Dim wb As New weui
        If e.PostValues.Count = 0 Then
            wb.AddForm("","form1","receive.htm")
            With wb.AddInputGroup("form1","ipg1","图片上传")
                With .AddUploader("up1","照片",True)
                    .AllowDelete = True '允许删除
                    .Incremental = True '允许 重复选择文件或连续拍照
                End With
            End With
            With wb.AddButtonGroup("form1","btngrp1",False)
                .Add("btn1", "上传", "button").Attribute= "" '调用js函数上传
            End With
            wb.AddToast("","tst1", "正在上传",1)
            wb.AddToast("","tst2", "上传成功",0).Icon= "warn"
            wb.AddToast("","tst3", "上传失败",0).Icon= "warn"
            wb.AppendHTML("<script src='./lib/tpsc.js'></script>")
            
            
            wb.AddForm("","form2","xzcpqd.htm")
            With wb.AddInputGroup("form2","ipg2","新增产品")
                With .AddInputCell("ic1")
                    .AddLabel("bh","编号",0)
                    .AddInput("编号","text",1)
                    .AddVcodeButton("scan","扫码输入",2) '增加二维码扫描按钮,2表示显示在右边
                End With
                .AddInput("产品","产品","text")
            End With
            With wb.AddButtonGroup("form2","btngrp2",False)
                '.Add("btn1", "上传", "button").Attribute= "" '调用js函数上传
                .Add("btn1", "增加", "submit")
                .Add("btn2", "取消", "reset") '重置
                .Add("btn3", "返回", "" ,"default.htm")
            End With
            
            'wb.AppendHTML("<script src='./lib/calc.js'></script>")
            'wb.AddForm("","form2","receive.htm")
            'With wb.AddInputGroup("form2","ipg2","图片上传")
            'With .AddUploader("up1","照片",True)
            '.AllowDelete = True '允许删除
            '.Incremental = True '允许 重复选择文件或连续拍照
            'End With
            'End With
            'With wb.AddButtonGroup("form2","btg1",True)
            '.Add("btn1", "上传", "button").Attribute= "" '调用js函数上传
            'End With
            'wb.AddToast("","tst1", "正在上传",1)
            'wb.AddToast("","tst2", "上传成功",0).Icon= "warn"
            'wb.AddToast("","tst3", "上传失败",0).Icon= "warn"
            'wb.AppendHTML("<script src='./lib/tpsc.js'></script>") '引入脚本文件
            
            e.WriteString(wb.Build) '生成网页
        Else
            Dim nms() As String = {"产品","编号"} '不能为空的列名数组
            For Each nm As String In nms
                If e.PostValues.ContainsKey(nm) = False Then '生成错误提示页
                    With wb.AddMsgPage("","msgpage","增加失败", nm & "列不能为空!")
                        .icon = "Warn" '改变图标
                        .AddButton("btn1","返回").Attribute = ""
                    End With
                    e.WriteString(wb.Build)
                    Return  '必须返回
                End If
            Next
            nms = New String() {"产品","编号"}  '重新定义了nms数组,增加了两列.
            Dim dr As DataRow = DataTables("产品清单").AddNew()
            dr("新增人") = e.Cookies("username")
            'dr("照片") = e.PostValues("up1")
            For Each nm As String In nms
                If e.PostValues.ContainsKey(nm) Then
                    dr(nm) = e.PostValues(nm)
                End If
            Next
            'For Each key As String In e.Files.Keys
            'If key = "up1" Then
            'For Each fln As String In e.Files(key)
            'e.SaveFile(key, fln,"d:\web\images\" & fln)
            'Next
            'dr("照片") = e.Files(key)
            'End If
            'Next
            e.WriteString("OK")
            dr.save()
            With wb.AddMsgPage("","msgpage","增加成功","") '生成成功提示页
                .AddButton("btn1","继续增加","xzcpqd.htm")
            End With
            e.WriteString(wb.Build)
        End If
        
    Case "receive.htm"
        For Each key As String In e.Files.Keys
            For Each fln As String In e.Files(key)
                e.SaveFile(key,fln,"d:\web\images\" & fln) '保存接收到的文件
            Next
        Next
        e.WriteString("OK")
        
End Select

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帅哥哟,离线,有人找我吗?
1538000
  2楼 | 信息 | 搜索 | 邮箱 | 主页 | UC


加好友 发短信
等级:婴狐 帖子:56 积分:421 威望:0 精华:0 注册:2017/7/27 15:11:00
  发帖心情 Post By:2017/11/1 12:00:00 [只看该作者]

已经解决了

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