绑定change事件轻松搞定
<el-upload
action=""
multiple
:file-list="fileList"
http-request=""
:on-change="handleChange"
>
自动上传
</el-upload>
handleChange(file, fileList) {
let length = fileList.length;
setTimeout(() => {
if (length == fileList.length) {
//此处触发接口请求（只会请求一次）
}
}, 0);
},
