//粘贴上传图片
        onPasteUpload(event){
            let items = event.clipboardData && .clipboardData.items;
            let file = null
            if (items && items.length) {
                 检索剪切板items
                for (var i = 0; i < items.length; i++) {
                    if (items[i].type.indexOf('image') !== -1) {
                        file = items[i].getAsFile()
                    }
                }
            }
            if (!file) {
                return;
            }
            let _this=this;
            var formData = new FormData();
            formData.append(imgfile',file);
            $.ajax({
                url: /uploadimg"post"falseJSONmultipart/form-data
                },error: function (data) {
                    console.log(data);
                }
            });
        }
    },mounted() {
        document.addEventListener(paste',.onPasteUpload)
    },