asp.net 上传文件到一般处理程序中获取不到文件
前台<formid="form1"method="post"action="SendMMS.ashx">文件：<inputid="Filedata"name="Filed...
前台
<form id="form1" method="post" action="SendMMS.ashx">
文件：<input id="Filedata" name="Filedata" type="file" />
<input id="Submit1" type="submit" value="submit" />
</form>
后台
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
HttpPostedFile file = context.Request.Files["Filedata"];
}
HttpPostedFile file = context.Request.Files["Filedata"];
获取不到文件 展开
<form id="form1" method="post" action="SendMMS.ashx">
文件：<input id="Filedata" name="Filedata" type="file" />
<input id="Submit1" type="submit" value="submit" />
</form>
后台
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
HttpPostedFile file = context.Request.Files["Filedata"];
}
HttpPostedFile file = context.Request.Files["Filedata"];
获取不到文件 展开
2个回答
展开全部
你写的有问题，应该是这样
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>html控件与ashx进行保存上传文件</title>
</head>
<body>
<!--enctype="multipart/form-data"该类型指定传输数据特殊类型,如图片或mp3等,-->
<form action="Handler.ashx" method="post" enctype="multipart/form-data" id="form1">
<p>
<input id="imgfile" name="imgfile" type="file" /></p>
<p>
<input id="Button1" type="submit" value="button" /></p>
</form>
</body>
</html>
>>>>>>>>>>>>
//下面是ashx文件
<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
public class Handler : IHttpHandler {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/plain";
HttpPostedFile hpf = HttpContext.Current.Request.Files["imgfile"];//HttpPostedFile提供对客户端已上载的单独文件的访问
string savepath = context.Server.MapPath("." + hpf.FileName);//路径,相对于服务器当前的路径
hpf.SaveAs(savepath);//保存
context.Response.Write("保存成功"+hpf.FileName);
}
public bool IsReusable {
get {
return false;
}
}
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>html控件与ashx进行保存上传文件</title>
</head>
<body>
<!--enctype="multipart/form-data"该类型指定传输数据特殊类型,如图片或mp3等,-->
<form action="Handler.ashx" method="post" enctype="multipart/form-data" id="form1">
<p>
<input id="imgfile" name="imgfile" type="file" /></p>
<p>
<input id="Button1" type="submit" value="button" /></p>
</form>
</body>
</html>
>>>>>>>>>>>>
//下面是ashx文件
<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
public class Handler : IHttpHandler {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/plain";
HttpPostedFile hpf = HttpContext.Current.Request.Files["imgfile"];//HttpPostedFile提供对客户端已上载的单独文件的访问
string savepath = context.Server.MapPath("." + hpf.FileName);//路径,相对于服务器当前的路径
hpf.SaveAs(savepath);//保存
context.Response.Write("保存成功"+hpf.FileName);
}
public bool IsReusable {
get {
return false;
}
}
}
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