为Kindeditor控件添加图片自动上传功能

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>&nbsp;&nbsp;<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！&nbsp;&nbsp;<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;
    }
}