js_图片放大

<img class="sb" :src="item.receipts" @click="oneClick($event)" alt="" width="60px" height="20px">
          
  oneClick: function (e) {
                var _this = e.currentTarget; // 当前元素
                var _that = $(_this).clone();
                _that.css({"width":"600px","height":"400px"});
               // debugger;
                layer.open({
                    type: 1,
                    skin: 'layui-layer-rim', //加上边框
                    area: ['640px', '440px'], //宽高
                    //content:e.currentTarget.outerHTML
                    content:_that[0].outerHTML
                });
            }