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KindEditor图片上传的Asp.net代码实例

2013-11-07 00:00 1156 查看 
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>");
}
}
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