KindEditor.ready(function (K) {
    var editor = K.create('#editor_id', {
        //上传管理
        uploadJson: '/js/kindeditor/asp.net/upload_json.ashx',
        //文件管理
        fileManagerJson: '/js/kindeditor/asp.net/file_manager_json.ashx',
        allowFileManager: true,
        //设置编辑器创建后执行的回调函数
        afterCreate: function () {
            var self = this;
            K.ctrl(document, 13, function () {
                self.sync();
                K('form[name=example]')[0].submit();
            });
            K.ctrl(self.edit.doc, 13, function () {
                self.sync();
                K('form[name=example]')[0].submit();
            });
        },
        //上传文件后执行的回调函数,获取上传图片的路径
        afterUpload: function (url) {
            var a = $("#uppics").val();
            if (a.length > 0) {
                $("#uppics").val(a + "," + url);
            } else {
                $("#uppics").val(url);
            }
            //alert($("#uppics").val())
        },
        afterCreate: function () {  //要取值设置这里 这个函数就是同步KindEditor的值到textarea文本框
            this.sync();
        },
        afterBlur: function () {  //同时设置这里 
            this.sync();
        },
        items:
                [
                        'justifyleft', 'justifycenter', 'justifyright', 'justifyfull',
                        'emoticons', 'multiimage', 'baidumap', 'insertorderedlist', 'insertunorderedlist', 'indent', 'outdent', 'subscript',
                        'superscript', 'formatblock', 'fontname', 'fontsize', 'forecolor', 'hilitecolor', 'bold',
                        'italic', 'underline', 'strikethrough', 'lineheight', 'removeformat'
                ]
    });
});

Kindeditor JS 取值问题以及上传图片后回调等