1、在config.js文件中配置
config.extraPlugins = 'imagepaste,uploadimage,image2'; // 粘贴上传图片插件
config.filebrowserImageUploadUrl = "/api/upload/ckeditorUpload"; //图片上传
config.uploadUrl = "/api/upload/copy/upload"; // 粘贴上传图片途径,接口返回的格式有要求
2、插件下载参考
https://www.cnblogs.com/shy-huang/p/6893360.html