KindEditor图片上传的Asp.net代码实例

  

复制代码 代码如下:

  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)

  {

  //文件保存目录路径

  string SavePath = "/Upload_Images/";

  //文件保存目录URL

  string SaveUrl = "/Upload_Images/";

  //上传图片类型

  string[] ExtStr=new string[4];

  ExtStr[0] = ".gif";

  ExtStr[1] = ".jpg";

  ExtStr[2] = ".png";

  ExtStr[3] = ".bmp";

  //图片的最大大小

  int MaxSize = 100000;

  //错误提示

  string[] MsgStr = new string[3];

  MsgStr[0] = "上传文件大小超过限制.";

  MsgStr[1] = "上传文件扩展名是不允许的扩展名.";

  MsgStr[2] = "上传文件失败//n请重试.";

  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"];

  //获得文件名

  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))

  {

  //重新为文件命名,时间毫秒部分+扩展名

  string imgReName = "" + DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss-ffff", DateTimeFormatInfo.InvariantInfo) + "" + fileExtension;

  //文件夹名

  string imgFolderName=DateTime.Now.ToString("yyyyMMdd",DateTimeFormatInfo.InvariantInfo);

  try

  {

  if (!System.IO.Directory.Exists(@Server.MapPath("" + SavePath + "" +imgFolderName + "")))

  {

  //生成文件完整目录

  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>

  /// 提示关闭层

  /// </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>

  /// 检测文件类型

  /// </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>

  /// 返回图片

  /// </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>上传成功</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>");

  }

  }