本文实例为大家分享了CKEditor与dotnetcore实现图片上传的具体代码，供大家参考，具体内容如下
CKEditor的使用
1.引入js库
<script src="https://cdn.ckeditor.com/4.6.1/standard-all/ckeditor.js"></script>
2.定义一个textarea标签
<textarea id="editor"> </textarea>
3.用CkEditor替换textarea即可使用基本功能
CKEDITOR.replace('editor');
4.配置CkEditor
添加图片上传，代码插入工具
CKEDITOR.replace('editor-box', {
//GitHub地址：https://github.com/ckeditor toolbar: [ {
name: 'document', items: ['Source'] }
, {
name: 'basicstyles', items: ['Bold', 'Italic'] }
, {
name: 'paragraph', items: ['NumberedList', 'BulletedList', '-', 'Outdent', 'Indent', '-', 'Blockquote'] }
, {
name: 'links', items: ['Link', 'Unlink'] }
, {
name: 'insert', items: ['Image','CodeSnippet'] }
, {
name: 'styles', items: ['Format', 'Styles'] }
], filebrowserImageUploadUrl: '/Blogs/UploadImageUrl', //配置图片上传后台Url customConfig: '', extraPlugins: 'codesnippet,image2,uploadimage', removePlugins: 'image', //mathJaxLib: 'https://cdn.mathjax.org/mathjax/2.6-latest/MathJax.js?config=TeX-AMS_HTML', codeSnippet_theme: 'ir_black', height: 450, contentsCss: ['https://cdn.ckeditor.com/4.6.1/standard-all/contents.css'], format_tags: 'p;
h1;
h2;
h3;
pre', removeDialogTabs: 'image:advanced;
link:advanced;
link:target', stylesSet: [ /* Inline Styles */ {
name: 'Marker', element: 'span', attributes: {
'class': 'marker' }
}
, {
name: 'Cited Work', element: 'cite' }
, {
name: 'Inline Quotation', element: 'q' }
, /* Object Styles */ {
name: 'Special Container', element: 'div', styles: {
padding: '5px 10px', background: '#eee', border: '1px solid #ccc' }
}
, {
name: 'Compact table', element: 'table', attributes: {
cellpadding: '5', cellspacing: '0', border: '1', bordercolor: '#ccc' }
, styles: {
'border-collapse': 'collapse' }
}
, {
name: 'Borderless Table', element: 'table', styles: {
'border-style': 'hidden', 'background-color': '#E6E6FA' }
}
, {
name: 'Square Bulleted List', element: 'ul', styles: {
'list-style-type': 'square' }
}
, /* Widget Styles */ {
name: 'Illustration', type: 'widget', widget: 'image', attributes: {
'class': 'image-illustration' }
}
, {
name: 'Featured snippet', type: 'widget', widget: 'codeSnippet', attributes: {
'class': 'code-featured' }
}
, {
name: 'Featured formula', type: 'widget', widget: 'mathjax', attributes: {
'class': 'math-featured' }
}
] }
);
5.后台接收图片
/// <summary> /// 图片上传 /// </summary> /// <param name="env"></param> /// <returns></returns> public async Task<IActionResult> UploadImageUrl([FromServices]IHostingEnvironment env) {
// CKEditor提交的很重要的一个参数 string callback = Request.Query["CKEditorFuncNum"];
var form = Request.Form;
var img = form.Files[0];
//获取图片 string fileName = img.FileName;
var openReadStream = img.OpenReadStream();
byte[] buff = new byte[openReadStream.Length];
await openReadStream.ReadAsync(buff, 0, buff.Length);
string filenameGuid = Guid.NewGuid().ToString();
var bowerPath = PathUtils.GetSavePath(filenameGuid, true) + ".jpg";
//获取到图片保存的路径，这边根据自己的实现 var savePath = Path.Combine(env.WebRootPath, bowerPath);
using (FileStream fs = new FileStream(savePath, FileMode.Create)) {
await fs.WriteAsync(buff, 0, buff.Length);
//服务器返回JavaScript脚本 string result = $"<script type="text/javascript">window.parent.CKEDITOR.tools.callFunction("{
callback}
", "{
"/"+bowerPath}
", "");
</script>";
Response.ContentType = "text/html;
charset=UTF-8";
return Content(result);
}
}
6.注意
服务器返回需要加上这个，否则会遇到前端页面不执行返回的JavaScript脚本的问题
Response.ContentType = "text/html;
charset=UTF-8";
配置完成即可使用图片上传功能
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。
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