介紹ASP.NET上傳
作者：佚名
本文介紹ASP.NET上傳，KindEditor是一個不錯的網(wǎng)頁在線編輯器，可是它只提供了asp，php，jsp上傳的類，沒有提供ASP.NET上傳的類。
KindEditor是一個不錯的網(wǎng)頁在線編輯器，可是它只提供了asp，php，jsp上傳的類，沒有提供ASP.NET上傳的類。
ASP.NET上傳代碼：
- using System;
- using System.Globalization;
- using System.Collections;
- using System.Configuration;
- using System.Data;
- using System.Web;
- using System.Web.Security;
- using System.Web.UI;
- using System.Web.UI.HtmlControls;
- using System.Web.UI.WebControls;
- using System.Web.UI.WebControls.WebParts;
- public partial class Jscript_KindEditor_upload_cgi_upload : System.Web.UI.Page
- {
- protected void Page_Load(object sender, EventArgs e)
- {
- //文件保存目錄路徑
- string SavePath = "/Upload_Images/";
- //文件保存目錄URL
- string SaveUrl = "/Upload_Images/";
- //上傳圖片類型
- string[] ExtStr=new string[4];
- ExtStr[0] = ".gif";
- ExtStr[1] = ".jpg";
- ExtStr[2] = ".png";
- ExtStr[3] = ".bmp";
- //圖片的***大小
- int MaxSize = 100000;
- //錯誤提示
- string[] MsgStr = new string[3];
- MsgStr[0] = "上傳文件大小超過限制.";
- MsgStr[1] = "上傳文件擴展名是不允許的擴展名.";
- MsgStr[2] = "上傳文件失敗\\n請重試.";
- string imgWidth = Request.Form["imgWidth"];
- string imgHeight = Request.Form["imgHeight"];
- string imgBorder = Request.Form["imgBorder"];
- string imgTitle = Request.Form["imgTitle"];
- string imgAlign = Request.Form["imgAlign"];
- string imgHspace = Request.Form["imgHspace"];
- string imgVspace = Request.Form["imgVspace"];
- HttpPostedFile imgFile = HttpContext.Current.Request.Files["imgFile"];
- //獲得文件名
- string FileName = System.IO.Path.GetFileName(imgFile.FileName);
- if (FileName != "")
- {
- if (imgFile.ContentLength > MaxSize)
- {
- Alert(MsgStr[0]);
- }
- else
- {
- string fileExtension = System.IO.Path.GetExtension(FileName).ToLower();
- if (CheckExt(ExtStr, fileExtension))
- {
- //重新為文件命名,時間毫秒部分+擴展名
- string imgReName = "" + DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss-ffff",
DateTimeFormatInfo.InvariantInfo) + "" + fileExtension;- //文件夾名
- string imgFolderName=DateTime.Now.ToString
("yyyyMMdd",DateTimeFormatInfo.InvariantInfo);- try
- {
- if (!System.IO.Directory.Exists(@Server.MapPath
("" + SavePath + "" +imgFolderName + "")))- {
- //生成文件完整目錄
- System.IO.Directory.CreateDirectory(@Server.MapPath
("" + SavePath + "" +imgFolderName + ""));- }
- imgFile.SaveAs(@Server.MapPath
("" + SavePath + "" + imgFolderName + "/")+imgReName);- }
- catch
- {
- Alert(MsgStr[2]);
- }
- string imgUrl = SaveUrl + imgFolderName + "/" + imgReName;
- ReturnImg(imgUrl, imgWidth, imgHeight, imgBorder,
imgTitle, imgAlign, imgHspace, imgVspace);- }
- else
- {
- Alert(MsgStr[1]);
- }
- }
- }
- }
- /// <summary>
- /// 提示關(guān)閉層
- /// </summary>
- /// <param name="MsgStr"></param>
- private void Alert(string MsgStr)
- {
- Response.Write("<html>");
- Response.Write("<head>");
- Response.Write("<title>error</title>");
- Response.Write("<meta http-equiv=\"content-type\" content=\"text/html;
charset=utf-8\">");- Response.Write("</head>");
- Response.Write("<body>");
- Response.Write("<script type=\"text/javascript\">alert(\"" + MsgStr + "\");
parent.KindDisableMenu();parent.KindReloadIframe();</script>");- Response.Write("</body>");
- Response.Write("</html>");
- }
- /// <summary>
- /// 檢測文件類型
- /// </summary>
- /// <param name="ExtStr"></param>
- /// <param name="fileExt"></param>
- /// <returns></returns>
- private bool CheckExt(string[] ExtStr,string fileExt)
- {
- for (int i = 0; i < ExtStr.Length; i++)
- {
- if (ExtStr[i] != fileExt)
- {
- return true;
- }
- }
- return false;
- }
- /// <summary>
- /// 返回圖片
- /// </summary>
- /// <param name="FileUrl"></param>
- /// <param name="FileWidth"></param>
- /// <param name="FileHeight"></param>
- /// <param name="FileBorder"></param>
- /// <param name="FileTitle"></param>
- /// <param name="FileAlign"></param>
- /// <param name="FileHspace"></param>
- /// <param name="FileVspace"></param>
- private void ReturnImg( string FileUrl,string FileWidth,string FileHeight,
string FileBorder,string FileTitle,string FileAlign,string FileHspace,string FileVspace)- {
- Response.Write("<html>");
- Response.Write("<head>");
- Response.Write("<title>上傳成功</title>");
- Response.Write("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">");
- Response.Write("</head>");
- Response.Write("<body>");
- Response.Write("<script type=\"text/javascript\">parent.KindInsertImage
(\"" + FileUrl +"\",\"" + FileWidth + "\",\"" + FileHeight + "\",\"" +
FileBorder + "\",\"" + FileTitle + "\",\"" + FileAlign + "\",\"" +
FileHspace + "\",\"" + FileVspace + "\");</script>");- Response.Write("</body>");
- Response.Write("</html>");
- }
- }
ASP.NET上傳代碼，希望對大家有用。
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責任編輯：佚名
來源：
IT168
