.net html文件上传,asp.net（c#）实现文件上传功能

UpLoad.aspx

多文件上传

function addFile()

{

var str = ' '

document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)

}

多文件上传

Width="500px" BorderStyle="None" BorderColor="White">

UpLoad.aspx.cs

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

public partial class WEB_Test_UpLoad : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

/// 在此处放置用户代码以初始化页面

if (this.IsPostBack) this.SaveImages();

}

private Boolean SaveImages()

{

///'遍历File表单元素

HttpFileCollection files  = HttpContext.Current.Request.Files;

/// '状态信息       System.Text.StringBuilder strMsg = new System.Text.StringBuilder();       strMsg.Append("上传的文件分别是：

");       try       {         for(int iFile = 0; iFile < files.Count; iFile++)         {           ///'检查文件扩展名字           HttpPostedFile postedFile = files[iFile];           string fileName, fileExtension;           fileName = System.IO.Path.GetFileName(postedFile.FileName);           if (fileName != "")           {             fileExtension = System.IO.Path.GetExtension(fileName);             strMsg.Append("上传的文件类型：" + postedFile.ContentType.ToString() + "

");             strMsg.Append("客户端文件地址：" + postedFile.FileName + "

");             strMsg.Append("上传文件的文件名：" + fileName + "

");             strMsg.Append("上传文件的扩展名：" + fileExtension + " ");             ///'可根据扩展名字的不同保存到不同的文件夹             ///注意：可能要修改你的文件夹的匿名写入权限。             postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName);           }         }         strStatus.Text = strMsg.ToString();         return true;       }       catch(System.Exception Ex)       {         strStatus.Text = Ex.Message;         return false;       }     }   }