https://www.cnblogs.com/zhoumingjie-zmj/p/13509058.html

<div class="editor">
   <vue-editor id="editor" useCustomImageHandler v-model="innercontent" @image-added="handleImageAdded" />
</div>

handleImageAdded: function(file, Editor, cursorLocation, resetUploader) {
    var formData = new FormData();
    formData.append("file", file); //第一个file 后台接收的参数名
    this.$axios({
        url: "/app/oss/upload",//上传路径
        method: "POST",
        data: formData,
    }).then(result => {
            console.log(result);
            let url = result.data.data.fileurl; // 返回给你的图片路径
            Editor.insertEmbed(cursorLocation, "image", url);
            resetUploader();
        })
        .catch(err => {
            console.log(err);
        });
},