本文介绍了我如何在我的设计表单中转换代码的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
#Design
#Design
<body>
<form id="form1" runat="server">
<div>
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
<asp:Button ID="convert" runat="server" Text="convert" onclick="convert_Click1" />
<br />
<br />
<br />
<asp:Label ID="uploadlab" runat="server" Text="Label"></asp:Label>
</div>
</form>
</body>
#code
#code
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Net.Mail;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;
public partial class _Default : System.Web.UI.Page
{
static string mailFile;
protected void Page_Load(object sender, EventArgs e)
{
uploadlab.Visible = false;
}
protected void convert_Click1(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
try
{
string path = Server.MapPath("~/photo/") + FileUpload1.FileName;
mailFile = path;
//FileUpload1.SaveAs("C:\\Uploads\\" + FileUpload1.FileName);
FileUpload1.SaveAs(path);
uploadlab.Visible = true;
uploadlab.Text = "Uploaded File Name: " +
FileUpload1.PostedFile.FileName +
"    File Size: " +
FileUpload1.PostedFile.ContentLength +
"    File Type: " +
FileUpload1.PostedFile.ContentType;
}
catch (Exception ex)
{
uploadlab.Text = "Error occured: " + ex.Message.ToString();
}
else
{
uploadlab.Text = "Select a file for upload";
}
}
public class WSC_ConvertImage : WebService
{
[WebMethod]
public bool ConvertImage(byte[] bytInFile, int intToFormat,
out byte[] bytOutFile)
{
bytOutFile = null;
if (bytInFile.Length == 0)
{
// nope.. indicate failure
return false;
}
// string strFileName = mailFile;
string strFileName=Server.MapPath(".")+"\\"+Guid.NewGuid().ToString();
// write the byte array sent to us as a file..
FileStream fsFile = null;
try
{
fsFile = File.Create(strFileName);
}
catch
{
// unable to create input file..
return false;
}
try
{
fsFile.Write(bytInFile, 0, bytInFile.Length);
}
catch
{
// unable to write to the file..
fsFile.Close();
return false;
}
// close the file..
fsFile.Close();
// load the image from the file..
System.Drawing.Image imgInFile = System.Drawing.Image.FromFile(strFileName);
// save to the format specified..
string strOutFileName = strFileName;
switch (intToFormat)
{
case 1: // BMP
strOutFileName = strOutFileName + ".BMP";
imgInFile.Save(strOutFileName, ImageFormat.Bmp);
break;
case 2: // EXIF
strOutFileName = strOutFileName + ".EXIF";
imgInFile.Save(strOutFileName, ImageFormat.Exif);
break;
case 3: // EMF
strOutFileName = strOutFileName + ".EMF";
imgInFile.Save(strOutFileName, ImageFormat.Emf);
break;
case 4: // GIF
strOutFileName = strOutFileName + ".GIF";
imgInFile.Save(strOutFileName, ImageFormat.Gif);
break;
case 5: // ICO
strOutFileName = strOutFileName + ".ICO";
imgInFile.Save(strOutFileName, ImageFormat.Icon);
break;
case 6: // JPEG
strOutFileName = strOutFileName + ".JPG";
imgInFile.Save(strOutFileName, ImageFormat.Jpeg);
break;
case 7: // PNG
strOutFileName = strOutFileName + ".PNG";
imgInFile.Save(strOutFileName, ImageFormat.Png);
break;
case 8: // TIFF
strOutFileName = strOutFileName + ".TIFF";
imgInFile.Save(strOutFileName, ImageFormat.Tiff);
break;
case 9: // WMF
strOutFileName = strOutFileName + ".WMF";
imgInFile.Save(strOutFileName, ImageFormat.Wmf);
break;
default:
strOutFileName = strOutFileName + ".BMP";
imgInFile.Save(strOutFileName, ImageFormat.Bmp);
break;
}
// read the output file..
try
{
fsFile = File.Open(strOutFileName, FileMode.Open, FileAccess.Read);
}
catch
{
// unable to read output file..
return false;
}
// write to the output byte array..
try
{
// create array to read in image file..
int iSize = Convert.ToInt32(fsFile.Length);
bytOutFile = new byte[iSize];
// read the converted image...
fsFile.Read(bytOutFile, 0, iSize);
}
catch
{
// unable to write to the array..
fsFile.Close();
return false;
}
// close the file..
fsFile.Close();
// delete the created files..
try
{
File.Delete(strFileName);
File.Delete(strOutFileName);
}
catch
{
// do nothing..
}
return true;
}
}
}推荐答案
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