以文本方式查看主题 - Foxtable(狐表) (http://www.foxtable.com/bbs/index.asp) -- 专家坐堂 (http://www.foxtable.com/bbs/list.asp?boardid=2) ---- 图片压缩上传 (http://www.foxtable.com/bbs/dispbbs.asp?boardid=2&id=139656) |
-- 作者:刘林 -- 发布时间:2019/8/18 16:32:00 -- 图片压缩上传 Case "upload.htm" wb.AddForm("","form1","receive.htm") With wb.AddInputGroup("form1","ipg1","文件上传") With .AddUploader("up128","照片",True) .AllowDelete = True \'允许删除 \'.Incremental = True \'允许 重复选择文件或连续拍照 .ScaleWidth = 400 End With End With With wb.AddButtonGroup("form1","btg1",True) .Add("btn1", "确定", "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) wb.AddToast("","tst3", "上传失败",0).Icon= "warn" wb.AppendHTML("<script src=\'./lib/ajaxform.js\'></script>") \'引入脚本文件 e.WriteString(wb.Build) \'生成网页 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,"c:\\web\\uploadfiles\\" & fln) \'保存接收到的文件 Next Next e.WriteString("OK") 1 .ScaleWidth = 400 改变压缩大小,上传后的图片大小不变。 2、如何调整图片控件的长宽,如果要显示一张证件照这样显示为正方形不好看。 |
-- 作者:有点蓝 -- 发布时间:2019/8/18 21:04:00 -- 1、如果图片本身已经压缩的比较厉害了,是无法在压缩的,具体图片发上来测试 2、在上传控件里是无法调整的,点击放大后会是正常的比例
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-- 作者:刘林 -- 发布时间:2019/8/18 23:38:00 -- 老师,测试发现: 当:.Incremental = false
压缩就无效 |
-- 作者:刘林 -- 发布时间:2019/8/19 8:21:00 -- Dim e As RequestEventArgs = args(0) Dim wb As New weui wb.InsertHTML("<!DOCTYPE html>") wb.InsertHTML("<html>") wb.InsertHTML("<head>") wb.InsertHTML("<meta charset=\'utf-8\'>") wb.InsertHTML("<meta name=\'viewport\' c />") wb.InsertHTML("<title></title>") wb.InsertHTML("<script src=\'../mui/js/mui.min.js\'></script>") wb.InsertHTML("<link href=\'../mui/css/mui.css\' rel=\'stylesheet\'/>") wb.InsertHTML("<script Type=\'text/javascript\' charset=\'utf-8\'>mui.init();</script>") wb.InsertHTML("</head>") wb.InsertHTML("<body>") wb.InsertHTML("<header style=\'height:60px;background:#EEEEE0\' class=\'mui-bar mui-bar-nav mui-bar-nav-bg\'>") wb.InsertHTML("<a style =\'line-height:40px;\' id=\'icon-menu\' class=\'mui-action-back mui-icon mui-icon-left-nav mui-pull-left\'></a>") If FileSys.FileExists("c:\\web\\xp\\" & e.Cookies("username") & ".jpg")=True wb.InsertHTML("<a class=\'mui-icon mui-pull-right mui-a-color\'><div style=\'width: 40px; height: 40px; float:left; border-radius: 50%; border: 1px solid #eee; overflow: hidden;\'><img src=\'./xp/" & e.Cookies("username") & ".jpg\' width=\'40\' height=\'40\' /></div></a>") Else If ReadSex(e.Cookies("username"))= "女" wb.InsertHTML("<a class=\'mui-icon mui-pull-right mui-a-color\'><div style=\'width: 40px; height: 40px; float:left; border-radius: 50%; border: 1px solid #eee; overflow: hidden;\'><img src=\'./xp/tx2.jpg\' width=\'40\' height=\'40\' /></div></a>") End If If ReadSex(e.Cookies("username"))= "男" wb.InsertHTML("<a class=\'mui-icon mui-pull-right mui-a-color\'><div style=\'width: 40px; height: 40px; float:left; border-radius: 50%; border: 1px solid #eee; overflow: hidden;\'><img src=\'./xp/tx1.jpg\' width=\'40\' height=\'40\' /></div></a>") End If End If wb.InsertHTML("<h1 style =\'line-height:60px;\' class=\'mui-title\'>我的图像资料</h1>") wb.InsertHTML("</header>") wb.InsertHTML("<div class=\'mui-content\'>") wb.AddForm("","form1","receive.htm") With wb.AddInputGroup("form1","ipg1","") \'With .AddUploader("up1","我的照片",True) \'.AllowAdd = False \'关闭文件上传功能 \'.AddImage("./xp/" & e.Cookies("username") & ".jpg") \'End With With .AddUploader("up1","近期免冠证件照",True) .AllowDelete = True \'允许删除 .Incremental = True \'允许重复选择文件或连续拍照 .Accept = "image/*" .ScaleWidth=400 End With With .AddUploader("up2","户口本主页照片",True) .AllowDelete = True \'允许删除 .Incremental = True \'允许重复选择文件或连续拍照 .Accept = "image/*" .ScaleWidth=400 End With With .AddUploader("up3","户口本人页照片",True) .AllowDelete = True \'允许删除 .Incremental = True \'允许重复选择文件或连续拍照 .Accept = "image/*" .ScaleWidth=400 End With End With With wb.AddButtonGroup("form1","btg1",True) .Add("btn1", "确定", "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) wb.AddToast("","tst3", "上传失败",0).Icon= "warn" wb.AppendHTML("<script src=\'./lib/ajaxform.js\'></script>") \'引入脚本文件 e.WriteString(wb.Build) \'生成网页 e.Handled= True 老师,请教几个问题 1、.Incremental = true 如果设为false不能压缩,(图片不管多大都不能)怎么办? 2、如何实现up1、up2、up3三个图片用一个确定按键上传并分别按不同文件名保存?测试结果是保存结果为up3的图片,怎么可以实现各自保存名称为不同的文件名。 3、WEUI有header 的写法?引用MUI的head感觉不伦不类。 4、如何让up2、up2、up3控制显示已上传的图片,如像片上传了就显示已上传的图片,现在的情况是上传后刷新后控件没有显示已上传的图片。 谢谢
[此贴子已经被作者于2019/8/19 8:28:56编辑过]
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-- 作者:有点蓝 -- 发布时间:2019/8/19 9:20:00 -- 1,这个帮助有说的,必须设置为true。 2、自己判断是哪个上传的,对应使用不同的名称即可,文件名称可以随意起 For Each key As String In e.Files.Keys msgbox(key) if key="某某" then 保存为名称1 4、生成页面的时候有添加图片吗? With .AddUploader("up2","图片",True) \'True表示允许一次上传多个文件 .AddImage("./images/001.jpg") |
-- 作者:刘林 -- 发布时间:2019/8/19 13:18:00 -- Dim e As RequestEventArgs = args(0) For Each key As String In e.Files.Keys For Each fln As String In e.Files(key) Dim ifo As new FileInfo(fln) messagebox.show(key) If key ="up1" e.SaveFile(key,fln,"c:\\web\\xp\\" & e.Cookies("username") & Ifo.Extension ) \'保存接收到的文件 End If If key ="up2" e.SaveFile(key,fln,"c:\\web\\fk\\" & e.Cookies("username") & "A" & Ifo.Extension ) \'保存接收到的文件 End If If key ="up3" e.SaveFile(key,fln,"c:\\web\\fk\\" & e.Cookies("username") & "B" & Ifo.Extension ) \'保存接收到的文件 End If Next Next e.WriteString("OK") e.Handled=True 请问老师,当一个文件都没上传而点了上传会提示 .NET Framework 版本:4.0.30319.42000 Foxtable 版本:2019.8.19.1 错误所在事件:自定义函数receive 详细错误信息: 调用的目标发生了异常。 路径的形式不合法。 怎么避免? |
-- 作者:有点蓝 -- 发布时间:2019/8/19 14:15:00 -- For Each key As String In e.Files.Keys For Each fln As String In e.Files(key) Dim ext As String = fln.Split(".")(1) If key ="up1" e.SaveFile(key,fln,"c:\\web\\xp\\" & e.Cookies("username") & ext) \'保存接收到的文件 End If If key ="up2" e.SaveFile(key,fln,"c:\\web\\fk\\" & e.Cookies("username") & "A" & ext) \'保存接收到的文件 End If If key ="up3" e.SaveFile(key,fln,"c:\\web\\fk\\" & e.Cookies("username") & "B" & ext) \'保存接收到的文件 End If Next Next
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-- 作者:刘林 -- 发布时间:2019/8/19 15:00:00 -- 这样取扩展名当没有改变文件页点了确认上传时提示 .NET Framework 版本:4.0.30319.42000 Foxtable 版本:2019.8.19.1 错误所在事件:自定义函数receive 详细错误信息: 调用的目标发生了异常。 索引超出了数组界限。 还有这样应该没有扩展名
[此贴子已经被作者于2019/8/19 15:00:29编辑过]
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-- 作者:刘林 -- 发布时间:2019/8/19 15:14:00 -- Dim e As RequestEventArgs = args(0) For Each key As String In e.Files.Keys For Each fln As String In e.Files(key) If FLN>"" Dim ifo As new FileInfo(fln) If key ="up1" e.SaveFile(key,fln,"c:\\web\\xp\\" & e.Cookies("username") & Ifo.Extension ) \'保存接收到的文件 End If If key ="up2" e.SaveFile(key,fln,"c:\\web\\fk\\" & e.Cookies("username") & "A" & Ifo.Extension ) \'保存接收到的文件 End If If key ="up3" e.SaveFile(key,fln,"c:\\web\\fk\\" & e.Cookies("username") & "B" & Ifo.Extension ) \'保存接收到的文件 End If End If Next Next e.WriteString("OK") e.Handled=True 老师,我改成这样就可以了
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-- 作者:刘林 -- 发布时间:2019/8/19 15:24:00 -- \'width: 40px; height: 40px; float:left; border-radius: 50%; border: 1px solid #eee; overflow: hidden;\'><img src=\'./xp/" & e.Cookies("username") & ".jpg\' width=\'40\' height=\'40\' /></div></a>") Else If ReadSex(e.Cookies("username"))= "女" wb.InsertHTML("<a class=\'mui-icon mui-pull-right mui-a-color\'><div style=\'width: 40px; height: 40px; float:left; border-radius: 50%; border: 1px solid #eee; overflow: hidden;\'><img src=\'./xp/tx2.jpg\' width=\'40\' height=\'40\' /></div></a>") End If If ReadSex(e.Cookies("username"))= "男" wb.InsertHTML("<a class=\'mui-icon mui-pull-right mui-a-color\'><div style=\'width: 40px; height: 40px; float:left; border-radius: 50%; border: 1px solid #eee; overflow: hidden;\'><img src=\'./xp/tx1.jpg\' width=\'40\' height=\'40\' /></div></a>") End If End If wb.InsertHTML("<h1 style =\'line-height:60px;\' class=\'mui-title\'>我的图像资料</h1>") wb.InsertHTML("</header>") wb.InsertHTML("<div class=\'mui-content\'>") wb.AddForm("","form1","receive.htm") With wb.AddInputGroup("form1","ipg1","") With .AddUploader("up1","近期免冠证件照",True) .AddImage("./xp/" & e.Cookies("username") & ".jpg") .AllowDelete = False \'允许删除 .Incremental = True \'允许重复选择文件或连续拍照 .Accept = "image/*" .ScaleWidth=400 End With With .AddUploader("up2","户口本主页照片",True) .AddImage("./fk/" & e.Cookies("username") & "A.jpg") .AllowDelete = False \'允许删除 .Incremental = True \'允许重复选择文件或连续拍照 .Accept = "image/*" .ScaleWidth=400 End With With .AddUploader("up3","户口本人页照片",True) .AddImage("./fk/" & e.Cookies("username") & "B.jpg") .AllowDelete = False \'允许删除 .Incremental = True \'允许重复选择文件或连续拍照 .Accept = "image/*" .ScaleWidth=400 End With End With 老师,再请问一个问题,.AddImage("./xp/" & e.Cookies("username") & ".jpg") 个这个是显示以身份证作为文件名,以JPG做为固定扩展名,但实际扩展名有可能是.png,.bmp等图像类型,这句如何写能包括各种可能呢?
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