KindEditor图片上传的Asp.net代码实例
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>");
}
}