.net里太多文件上传-2

来源：互联网发布：linux启用telnet 编辑：程序博客网时间：2024/04/30 00:58

前台代码如下

<%@ Page Language=/"C#/" AutoEventWireup=/"true/" CodeFile=/"upMoreFile.aspx.cs/" Inherits=/"upMoreFile/" %>

<!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 runat=/"server/">
    <title>上传多文件</title>
    <script type=/"text/javascript/">
     function addFileControl()
    ...{
        var str = ’<INPUT type=/"file/" NAME=/"File/">’
        document.getElementById(’FileCollection’).insertAdjacentHTML(/"beforeEnd/",str)
    }
    </script>
</head>
<body>
    <form id=/"upmorefile/" runat=/"server/" method=/"post/" enctype=/"multipart/form-data/">
    <div>
    <asp:label id=/"Title/" Runat=/"server/"></asp:label>
            <p id=/"FileCollection/"><input type=/"file/" name=/"File/"/>
            </p>
            <p><input onclick=/"addFileControl()/" type=/"button/" value=/"增加(File)/"/>
                <asp:button id=/"Upload/" Runat=/"server/" Text=/"上传/" Width=/"56px/" OnClick=/"Upload_Click/"></asp:button><input style=/"WIDTH: 56px; HEIGHT: 24px/" onclick=/"this.form.reset()/" type=/"button/" value=/"重置/"/>
            </p>
            <p align=/"center/"><asp:label id=/"strStatus/" runat=/"server/" BorderColor=/"White/" BorderStyle=/"None/" Width=/"500px/"
                    Font-Size=/"9pt/" Font-Bold=/"True/" Font-Names=/"宋体/"></asp:label></p> [Page]
    </div>
    </form>
</body>
</html>

.cs代码如下：

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 upMoreFile : System.Web.UI.Page
...{
    protected void Page_Load(object sender, EventArgs e)
    ...{
        Title.Text = /"<h3>多文件上传</h3>/";
        Upload.Text = /"开始上传/";

}

    /**//// <summary>
    /// 方法名：upMoreFile()
    /// 功能描述:循环表单，多文件上传
    /// 调用方法：bool var=upMoreFile()
    /// </summary>
    /// <returns>bool</returns>
    protected bool upMorefile()
    ...{
        //遍历File表单元素
        System.Web.HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
        //状态信息
        System.Text.StringBuilder strMsg = new System.Text.StringBuilder(/"上传的文件信息分别为：<hr color=red>/");
        int fileCount;
        int filecount = files.Count;

        try
        ...{
            for (fileCount = 0; fileCount < files.Count; fileCount++)
...{
                //定义访问客户端上传文件的对象
                System.Web.HttpPostedFile postedFile = files[fileCount]; [Page]
                string fileName, fileExtension;
                //取得上传得文件名
                fileName = System.IO.Path.GetFileName(postedFile.FileName);
                if (fileName != String.Empty)
                ...{
                    //取得文件的扩展名
                    fileExtension = System.IO.Path.GetExtension(fileName);
                    //上传的文件信息
                    strMsg.Append(/"上传的文件类型：/" + postedFile.ContentType.ToString() + /"<br>/");
                    strMsg.Append(/"客户端文件地址：/" + postedFile.FileName + /"<br>/");
                    strMsg.Append(/"上传文件的文件名：/" + fileName + /"<br>/");
                    strMsg.Append(/"上传文件的扩展名：/" + fileExtension + /"<br><hr color=red>/");
                    //保存到指定的文件夹

                    postedFile.SaveAs(Server.MapPath(/"upedFile//") + fileName);
                     [Page]
                }
            }
            strStatus.Text = strMsg.ToString();
            return true;
        }
        catch (System.Exception error)
        ...{
            strStatus.Text = error.Message;
            return false;

        }
    }
    protected void Upload_Click(object sender, EventArgs e)
    ...{
        upMorefile();

}
}