📄 asp+上传文件语法.htm
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<TD class=xx vAlign=bottom height=30>■ 基础教程 >
ASP+上传文件语法</TD></TR></TBODY></TABLE>
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<TD class=xk vAlign=top align=left
width="50%"><BR>这里有一个怎样用ASP+上传文件的非常简单例子<BR><html>
<BR><script language="VB" runat=server><BR>Sub
UploadBtn_Click(Sender as Object, E as
EventArgs)<BR><BR> UploadFile.PostedFile.SaveAs(Server.MapPath("test.jpg"))<BR>
MyImage.ImageUrl = "test.jpg"<BR> MyImage.Visible =
true<BR><BR> End
Sub<BR><BR> </script><BR><BR> <body><BR><BR> <form
enctype="multipart/form-data"
runat=server><BR><BR> <h3><BR><BR> 选择上传文件:
<input id="UploadFile" type=file
runat=server><BR><BR> <asp:button Text="Upload Me!"
OnClick="UploadBtn_Click"
runat=server/><BR><BR> <hr><BR><BR> <asp:image
id="MyImage" Visible=false runat=server/><BR><BR>
</form><BR><BR>
</body><BR></html><BR><BR><BR>Here is a more complex
example, which enables you to upload a file, and then using the
System.Drawing APIs <BR>to resize/crop the image, overlay a custom
text message onto the image, and then save it back out to disk
<BR>as a .jpg (note that this sample works with *any* browser). I've
written this one in C# -- but you would <BR>obviously be able to use
VB or JScript to do it as well:<BR><BR><%@ Import
Namespace="System.IO" %><BR><%@ Import
Namespace="System.Drawing" %><BR><%@ Import
Namespace="System.Drawing.Imaging"
%><BR><BR><html><BR><BR><script language="C#"
runat=server><BR><BR> void UploadBtn_Click(Object sender,
EventArgs e) {<BR><BR>
UploadFile.PostedFile.SaveAs(Server.MapPath("test.jpg"));<BR>
ImageEditor.Visible = true;<BR> } <BR><BR> void
UpdateBtn_Click(Object sender, EventArgs e) {<BR><BR>
System.Drawing.Image image =
System.Drawing.Image.FromFile(Server.MapPath("test.jpg"));<BR>
System.Drawing.Image newimage = new Bitmap(image.Width,
image.Height, PixelFormat.Format32bppRGB);<BR><BR> Graphics g =
Graphics.FromImage(newimage);<BR>
g.DrawImage(image,0,0,image.Width,image.Height);<BR> Font f =
new Font("Lucida Sans Unicode",
Int32.Parse(FontSize.SelectedItem.Text));<BR> Brush b = new
SolidBrush(Color.Red);<BR> g.DrawString(Caption.Text, f, b, 10,
140);<BR> g.Dispose();<BR><BR> System.Drawing.Image
thumbImage =
newimage.GetThumbnailImage(Int32.Parse(Width.Text),Int32.Parse<BR>(Height.Text),null,0);<BR>
image.Dispose();<BR><BR>
thumbImage.Save(Server.MapPath("test.jpg"),
ImageFormat.JPEG);<BR> }<BR><BR> </script><BR><BR>
<body><BR><BR> <form enctype="multipart/form-data"
runat=server><BR><BR> <h3><BR><BR> Select File To
Upload: <input id="UploadFile" type=file
runat=server><BR><BR> <asp:button Text="Upload Me!"
OnClick="UploadBtn_Click"
runat=server/><BR><BR> <hr><BR><BR> <asp:panel
id="ImageEditor" Visible=false runat=server><BR><BR>
<img src="test.jpg"><BR><BR><h3><BR>Image Width:
<asp:textbox id="Width" runat=server/><BR><BR>Image Height:
<asp:textbox id="Height"runat=server/> <br>Text Caption:
<asp:textbox id="Caption" runat=server/>Caption Size:
<asp:dropdownlist id="FontSize"
runat=server><BR>
<asp:listitem>14</asp:listitem><BR>
<asp:listitem>18</asp:listitem><BR>
<asp:listitem>26</asp:listitem><BR>
<asp:listitem>36</asp:listitem><BR>
<asp:listitem>48</asp:listitem><BR>
<asp:listitem>62</asp:listitem><BR> </asp:dropdownlist><BR><BR><asp:button
Text="Update Image" OnClick="UpdateBtn_Click"
runat=server/><BR><BR></h3>
<BR></asp:panel><BR><BR></form><BR></body><BR></html>
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<TD>■今日推荐：<A
href="http://lzjx.com/w/main.asp?id=388&sx=jc">ASP内建对象Serv</A>
</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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