解决:直接修改样式即可(防止影响全局请加scope,然后再样式穿透::v-deep)
.el-table{
overflow: auto;
}
.el-table .el-table__body-wrapper,
.el-table .el-table__header-wrapper,
.el-table .el-table__footer-wrapper{
overflow: visible;
}
.el-table::after{
position:relative !important;
}