js控件Kindeditor实现图片自动上传功能

function df() {
 var haspicContainer = document.getElementById("has_pic");
 if (haspicContainer == null) {
  haspicContainer = document.createElement("div");
  haspicContainer.id = "has_pic";
  haspicContainer.innerHTML = "<input type='text' id='piclist' value='' style='display:none;'/><div id='upload'><b>您有图片需要上传到服务器</b>  <a href='javascript:uploadpic();' >上传</a></div><div id='confirm'></div>";
  $(".ke-toolbar").after(haspicContainer);
 }

 var img = $(".ke-edit-iframe").contents().find("img");

 var piccount = 0;
 var sstr = "";
 $(img).each(function (i) {
  var that = $(this);
  if (that.attr("src").indexOf("http://") >= 0 || that.attr("src").indexOf("https://") >= 0) {
   piccount++;
   if (i == $(img).length - 1)
    sstr += that.attr("src");
   else
    sstr += that.attr("src") + "|";
  }
 });

 $("#piclist").val(sstr);
 document.getElementById("has_pic").style.display = (piccount > 0) ? "block" : "none";
}

function closeupload() {
 $("#has_pic").hide();
 $("#upload").show();
}

function uploadpic() {
 var piclist = encodeURI($("#piclist").val());
 if (piclist.length == 0) return false;

 $.ajax({
  url: "asp.net/uploadpic.ashx",
  data: "pic=" + piclist,
  type: "GET",
  beforeSend: function () {
   $("#upload").hide();
   $("#confirm").text("正在上传中...");
  },
  success: function (msg) {
   if (msg !== "") {
    var str = new Array();
    str = msg.split('|');
    var img = $(".ke-edit-iframe").contents().find("img");

    $(img).each(function (i) {
     var that = $(this);
     if (that.attr("src").indexOf("http://") >= 0 || that.attr("src").indexOf("https://") >= 0) {
      that.attr("src", "/uploads/image/" + str[i]);
      that.attr("data-ke-src", "/uploads/image/" + str[i]);
     }
    });

    $("#confirm").html(img.length + "张图片已经上传成功！  <a href='javascript:closeupload();'>关闭</a>");
   }
   else $("#confirm").text("上传失败！");
  }
 });
}

public class uploadpic : IHttpHandler
{
 public void ProcessRequest(HttpContext context)
 {
  context.Response.ContentType = "text/plain";
  string pic = context.Request.QueryString["pic"];

  string[] arr = pic.Split('|');
  string sstr = "";
  UpLoadIMG st = new UpLoadIMG();
  for (int i = 0; i < arr.Length; i++)
  {
   if (arr[i].IndexOf("http://") >= 0 || arr[i].IndexOf("https://") >= 0)
   {
    string std = st.SaveUrlPics(arr[i], "../../uploads/image/");
    if (std.Length > 0)
    {
     if (i == arr.Length - 1)
      sstr += std;
     else
      sstr += std + "|";
    }
   }
  }
  context.Response.Write(sstr);
 }

 public bool IsReusable
 {
  get
  {
   return false;
  }
 }
}

public class UpLoadIMG
{
 public string SaveUrlPics(string imgurlAry, string path)
 {
  string strHTML = "";
  string dirPath = HttpContext.Current.Server.MapPath(path);

  try
  {
   if (!Directory.Exists(dirPath))
   {
    Directory.CreateDirectory(dirPath);
   }
   string ymd = DateTime.Now.ToString("yyyyMMdd", DateTimeFormatInfo.InvariantInfo);
   dirPath += ymd + "/";
   if (!Directory.Exists(dirPath))
   {
    Directory.CreateDirectory(dirPath);
   }
   string newFileName = DateTime.Now.ToString("yyyyMMddHHmmss_ffff", DateTimeFormatInfo.InvariantInfo) + imgurlAry.Substring(imgurlAry.LastIndexOf("."));

   WebClient wc = new WebClient();
   wc.DownloadFile(imgurlAry, dirPath + newFileName);
   strHTML = ymd + "/" + newFileName;
  }
  catch (Exception ex)
  {
   //return ex.Message;
  }
  return strHTML;
 }
}