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代码实现

// function initPasteDragImg(Editor){
   //     var doc = document.getElementById(Editor.id)//     doc.addEventListener('paste', function (event) {
   //         var items = (event.clipboardData || window.clipboardData).items;//         var file = null;//         if (items && items.length) {
   //             // 搜索剪切板items//             for (var i = 0; i < items.length; i++) {
   //                 if (items[i].type.indexOf('image') !== -1) {
   //                     file = items[i].getAsFile();//                     break;//                 }//             }//         } else {
   //             console.log("当前浏览器不支持");//             return;//         }//         if (!file) {
   //             console.log("粘贴内容非图片");//             return;//         }//         uploadImg(file,Editor);//     });////     var dashboard = document.getElementById(Editor.id)//     dashboard.addEventListener("dragover", function (e) {
   //         e.preventDefault()//         e.stopPropagation()//     })//     dashboard.addEventListener("dragenter", function (e) {
   //         e.preventDefault()//         e.stopPropagation()//     })//     dashboard.addEventListener("drop", function (e) {
   //         e.preventDefault()//         e.stopPropagation()//         var files = this.files || e.dataTransfer.files;//         uploadImg(files[0],Editor);//     })// }// function uploadImg(file,Editor){
   //     var formData = new FormData();//     var fileName=new Date().getTime()+"."+file.name.split(".").pop();//     formData.append('editormd-image-file', file, fileName);////     $.ajax({
   //         url: Editor.settings.imageUploadURL,//         type: 'post',//         data: formData,//         processData: false,//         contentType: false,//         dataType: 'json',//         success: function (msg) {
   ////             var success=msg['success'];//             if(success==1){
   //                 var url=msg["url"];//                 if(/\.(png|jpg|jpeg|gif|bmp|ico)$/.test(url)){
   //                     Editor.insertValue("![图片alt]("+msg["url"]+" ''图片title'')");//                 }else{
   //                     Editor.insertValue("[下载附件]("+msg["url"]+")");//                 }//             }else{
   //                 console.log(msg);//                 alert("上传失败");//             }//         }//     });////// }document.addEventListener('paste', function (event) {
       console.log(event);    var isChrome = false;    if (event.clipboardData || event.originalEvent) {
           //某些chrome版本使用的是event.originalEvent        var clipboardData = (event.clipboardData || event.originalEvent.clipboardData);        if(clipboardData.items){
               // for chrome            var  items = clipboardData.items,                len = items.length,                blob = null;            isChrome = true;            for (var i = 0; i < len; i++) {
                   console.log(items[i]);                if (items[i].type.indexOf("image") !== -1) {
                       //getAsFile() 此方法只是living standard firefox ie11 并不支持                    blob = items[i].getAsFile();                    console.log(blob)                    const formData = new FormData();                    formData.append('file',blob)                    _$_ajax_formData({
                           url:'/api/file',                        method:'POST',                        data:formData,                        success: function (res) {
                               console.log('上传成功')                            let str = window.contentEditor.getMarkdown();                            str = str+'\r\n'+`![](${
     res.data.url})`                            window.contentEditor.setMarkdown(str)                        }                    })                    return                }            }        }    }})

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