reactive

<script setup lang="ts">
import { reactive } from 'vue'
interface useInfoModel {
   name:string;
   id:string|number;
   actaver?: any;
}
const userInfo = ref<userInfoModel>()
let msg = reactive<number[]>([0, 4, 6])
const btn1 = () => {
  msg[0] = 12 // 由于 设置当前 msg为num类型的数组 若是 ‘12’会提示报错
  console.log('msg', msg, msg[0])
}
</script>
// 或者
type headType = {
   title:string,
   icon:string
}
let msg = reactive<headType>({title:"字符串",icon:"字符串icon"})
const btn1 = () => {
   msg.title = 5555 //报错
}

 //默认值
interface tabBar {
  title: string;
  id: string | number;
  render: boolean;
}
interface Props {
  tabbarPage: tabBar[];
}
const props = withDefaults(defineProps<Props>(), {
  tabbarPage: ()=>[
    {
      title: "标题",
      id: 1,
      render: false,
    }
  ],
});