上传图片(Element + Vue)

{ label: 订单资源, prop: ossName, type: upload, dataType: 'string', accept: image/jpeg, width: 80px, loadText: '附件上传中,请稍等', listType: 'picture-card', multiple: true, limit: 10, tip: '只能上传jpg/png文件', propsHttp: { res: 'data', url: 'link', }, rules: [{ req