1.原因
文件列表的元素缺少 percentage 默认参数
查看组件源码
虽然加了语法糖,不影响使用,但是控制台还是会打印警告
2.解决
给个默认值即可
- percentage 组件 el-upload validator custompercentage组件el-upload validator element-ui组件el-upload element 组件el-upload typeerror property 组件el-upload upload el element-plus组件el-upload element 组件el-upload upload视频 组件elementui el-upload upload event el-menu-item validation组件 组件el-upload upload问题 percentage