背景
本文为大家分享了asp.net core 如何集成CKEditor ，并实现图片上传功能的具体方法，供大家参考，具体内容如下。

准备工作
1.visual studio 2019 开发环境
2.net core 2.0 及以上版本

实现方法
1、新建asp.net core web项目

2、下载CKEditor
这里我们新建了一个系统自带的样本项目，去 CKEditor官网下载一个版本，解压后拷贝大wwwroot中

3、增加图片上传控制器

@using CompanyName.ProjectName.Web.Host.Web.Model
@model demock
@{
    ViewData["title"] = "堆代码 duidaima.com";
    Layout = "_SimpleTable";
}
@section headers{
    @*<style>
            .nav.nav-tabs.padding-18 {
                padding-left: 18px;
            }
            .nav-tabs {
                border-color: #c5d0dc;
                margin-bottom: 0 !important;
                margin-left: 0;
                position: relative;
                top: 1px;
            }
</style>*@
}

<section class="content">
    <div class="box box-primary">
        <div class="box-header with-border">
            <ul class="nav nav-tabs padding-18">
                <li>

                    <a href="/demo/sendmail">
                        <i class="orange ace-icon fa fa-cog bigger-120"></i>
                        发邮件
                    </a>
                </li>
                <li class="active">
                    <a href="javascript:void(0);">

                        <i class="green ace-icon fa fa-home bigger-120"></i>

                        富文本编辑框
                    </a>
                </li>
            </ul>
        </div>
        <!-- /.box-header -->
        <!-- form start -->
        <form role="form" id="form1">
            <div class="box-body">
                <div class="callout callout-success">
                    <h4>富文本编辑器</h4>
                    <p></p>
                </div>
                <table class="form">

                    <tr>
                        <th class="formTitle">内容</th>
                        <td class="formValue">

                            @Html.EditorFor(model => model.rules)

                            @*<textarea class="form-control" name="Text" id="Text" style="height: 70px;" placeholder=""></textarea>*@
                        </td>
                    </tr>
                </table>
            </div>
            <!-- /.box-body -->
            <div class="box-footer">
                <button type="button" id="btnSave" class="btn btn-success">保存</button>
            </div>
        </form>
    </div>

    <!-- /.tab-content -->
</section>

@section scripts{
    <script src="~/ckeditor/ckeditor.js"></script>
    <script src="~/js/jquery.base64.js"></script>
    <script type="text/javascript">
    //editor.document.getBody().getText(); //取得纯文本
    //editor.document.getBody().getHtml(); //取得html文本
    //var editor = CKEDITOR.replace('Text',
    //{
    //    toolbar: "Full",
    //    filebrowserUploadUrl: "/Image/ckupload?type=File",  //开启文件上传（此项会同时开启图片和FLASH上传）
    //    filebrowserImageUploadUrl: "/Image/ckupload?type=Images",  // 开启图片上传
    //    filebrowserFlashUploadUrl: "/Image/ckupload?type=Flash"  //开启FLASH上传
    //});
       $.base64.utf8encode = true;
    var editor2 = CKEDITOR.replace('rules',
        {
            toolbar: "Full",
            filebrowserUploadUrl: "/Image/ckupload?type=File",  //开启文件上传（此项会同时开启图片和FLASH上传）
            filebrowserImageUploadUrl: "/Image/ckupload?type=Images",  // 开启图片上传
            filebrowserFlashUploadUrl: "/Image/ckupload?type=Flash"  //开启FLASH上传
        });

    $(function () {
        editor2.setData("@(Html.Raw(Model.rules))");
    });
    $("#btnSave").click(function (ev) {
        var a = editor2.document.getBody().getHtml();
        $("#rules").val( $.base64.btoa(a) );
        var $form = $("#form1");
        editor2.setData(a);
        $.ajax({
            url: "/demo/ck/",
            data: $form.serialize(),
            type: "POST",
            cache: false,
            async: false,
            beforeSend: function () {
                $("#btnSave").attr("disabled", "disabled");
            },
            success: function (r) {

              //  if (r.isSucceeded == true) {
                   // location.href = r.goBackUrl;// "/Employee/index?ram=" + Math.random();// r.GoBackUrl;
               // }
              //  else  // 其他问题
             //   {
                    alert( $.base64.atob(r.message, true));

            //    }
                $("#btnSave").removeAttr("disabled");
            },
            error: function () {

                alert("保存失败");
                $("#btnSave").removeAttr("disabled");
            }
        });

     //   alert(editor2.document.getBody().getHtml());
        // return;
        //$.post("/demo/ck/",
        //    {

        //        Text: editor2.document.getBody().getHtml(),
        //    },
        //    function (data, status) {
        //          alert("Data: " + data + "\nStatus: " + status);

        //    });
    });
</script>

}



 /// <summary>
        /// 富文本框  上传图片
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [IgnoreAuthorize]
        public IActionResult Ckupload()
        {
            uploadfile user = new uploadfile();
            var files = Request.Form.Files;
            if (files == null || files.Count == 0)
                ViewBag.cc = "no file";
            user.ShareImg = files[0];
            var contentRoot = Directory.GetCurrentDirectory();
            var webRoot = Path.Combine(contentRoot, "wwwroot");
            var parsedContentDisposition = ContentDispositionHeaderValue.Parse(user.ShareImg.ContentDisposition);
            var originalName = parsedContentDisposition.FileName.ToString().Replace("\"", "");
            var ext = Path.GetExtension(Path.Combine(webRoot, originalName));
            //   if (ext != ".jpg")
            //   return Json(new { jsonrpc = "2.0", error = new { code = 101, message = "文件格式错误" }, id = "id" });
            string gid = Guid.NewGuid().ToString();
            var fileName = Path.Combine("upload", gid + ext);
            var fileName2 = "upload/" + gid + ext;
            using (var stream = new FileStream(Path.Combine(webRoot, fileName), FileMode.CreateNew))
            {
                user.ShareImg.CopyTo(stream);
            }
            string output = @"<script type=""text/javascript"">window.parent.CKEDITOR.tools.callFunction({0} ,'{1}');</script>";
            string url = "http://" + Request.Host.Value;
            output = string.Format(output, Request.Query["CKEditorFuncNum"], url + "/" + fileName2);
            ViewBag.cc = output;
            return View();
        }

4、增加图片上传控制器注意返回是一个json对象，因此建了一个简单的对象返回。

运行效果

源码地址
https://gitee.com/conanOpenSource_admin/CompanyName.ProjectName