<%@ WebHandler Language="C#" Class="UploadImage" %>
using System;
using System.Web;
public class UploadImage : IHttpHandler
{
//文件上传目录
private string uploadFolder = "UploadImage";
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
HttpFileCollection files = context.Request.Files;
if (files.Count > 0)
{
string path = context.Server.MapPath(uploadFolder);
HttpPostedFile file = files[0];
if (file != null && file.ContentLength > 0)
{
string fileName = DateTime.Now.ToString("yyyyMMddhhmmss") + context.Request.Form["fileName"];
string savePath = path + "/" + fileName;
file.SaveAs(savePath);
System.Web.HttpResponse obj = context.Response;
obj.Write(fileName);
}
}
else
{
context.Response.Write("参数错误");
context.Response.End();
}
}
public bool IsReusable {
get {
return false;
}
}
}
<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="gb2312" Debug="true"%>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>上传</title>
</head>
<body>
<script language="c#" runat="server">
public void Page_Load(Object sender,EventArgs e)
{
if (true)
{
string saveToFolder = "file";
string Path = Server.MapPath(saveToFolder);
//通过Resquest.InputStream解收的是Stream形式，转换成byte[]形式
Stream s = Request.InputStream;
byte[] bt = StreamToBytes(s);
//将byte[]形式转换成MemoryStream形式，再保存为图片
System.IO.MemoryStream ms = new System.IO.MemoryStream(bt);
System.Drawing.Bitmap b = new System.Drawing.Bitmap(ms);
b.Save(Path + "/proj.jpg");
Response.Write(true);
Response.End();
}
}
//此函数将Stream转换成byte[]
public byte[] StreamToBytes(Stream stream)
{
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
// 设置当前流的位置为流的开始
stream.Seek(0, SeekOrigin.Begin);
return bytes;
}
</script>
</body>
</html>
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