C# 通用上传文件类

最新推荐文章于 2023-09-24 05:05:05 发布

转载最新推荐文章于 2023-09-24 05:05:05 发布 · 971 阅读

文章标签：

#c# #string #扩展 #null #upload #server

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1、Upfile.aspx：

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>

</head>

<body>

<asp:FileUpload ID="FileUpload1" runat="server" />

<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="上传文件" CssClass="btn2" />

<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>

</form>

</body>

</html>

2、Upfile.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 Inc_Upfile : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

//Cut By 梦溪苑。

}

protected void Button1_Click(object sender, EventArgs e)

{

AllSheng.upload UpFiles = new AllSheng.upload();

//HttpPostedFile File = FileUpload1.PostedFile;

// AllSheng.UploadObj.PhotoSave("/", FileUpload1);

HttpFileCollection files = HttpContext.Current.Request.Files;

UpFiles.Path = "../UpLoadfiles";

String ReStr= UpFiles.SaveAs(files).ToString();

Label1.Text = ReStr;

UpFiles = null;

}

3、类文件：

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

/// <summary>

/// Cls_Upfile 的摘要说明

/// </summary>

///

namespace AllSheng

{

public class upload

{

变量

upload():初始化变量

设置传入的值:Path/Sizes/FileType

SaveAs()上传文件#region SaveAs()上传文件

public string SaveAs(System.Web.HttpFileCollection files)

{

string myReturn = "";

try

{

for (int iFile = 0; iFile < files.Count; iFile++)

{

postedFile = files[iFile];

//获得文件的上传的路径

localFilePath = postedFile.FileName;

//判断上传文件路径是否为空

if (localFilePath == null || localFilePath == "")

{

//message("您没有上传数据呀，是不是搞错了呀!");

//break;

continue;

}

else

{

判断文件大小

文件夹

文件名

扩展名

//得到保存文件的完整路径

saveFilePath = saveFileFolderPath + saveFileName + saveFileExtension;

postedFile.SaveAs(saveFilePath);

myReturn = myReturn + ((myReturn == "" || myReturn == null) ? "" : "|") + path.TrimStart(new char[] { '/' }) + saveFileName + saveFileExtension;

//以下对文章的内容进行一些加工

System.Web.HttpContext.Current.Response.Write("<script>parent.Article_Content___Frame.FCK.EditorDocument.body.innerHTML+='<img src=" + saveFileName + saveFileExtension + " "+" border=0 />'</SCRIPT>");

}

catch

{

//异常

message("出现未知错误！");

myReturn = null;

}

return myReturn;

}

#endregion

getSaveFileFolderPath(...):获得保存的文件夹的物理路径#region getSaveFileFolderPath(...):获得保存的文件夹的物理路径

/// <summary>

/// 获得保存的文件夹的物理路径

/// 返回保存的文件夹的物理路径,若为null则表示出错

/// </summary>

/// <param name="format">保存的文件夹路径或者格式化方式创建保存文件的文件夹，如按日期"yyyy"+"MM"+"dd":20060511</param>

/// <returns>保存的文件夹的物理路径,若为null则表示出错</returns>

private string getSaveFileFolderPath(string format)

{

string mySaveFolder = null;

try

{

string folderPath = null;

//以当前时间创建文件夹,

//!!!!!!!!!!!!以后用正则表达式替换下面的验证语句!!!!!!!!!!!!!!!!!!!

if (format.IndexOf("yyyy") > -1 || format.IndexOf("MM") > -1 || format.IndexOf("dd") > -1 || format.IndexOf("hh") > -1 || format.IndexOf("mm") > -1 || format.IndexOf("ss") > -1 || format.IndexOf("ff") > -1)

{

//以通用标准时间创建文件夹的名字

folderPath = DateTime.UtcNow.ToString(format);