1、监听路由变化
import { ref, watch } from "vue" import { useRoute } from "vue-router"
2、watch在监听 ref 类型时
import { ref, watch } from "vue" import { useRoute } from "vue-router"
3、watch在监听 reactive 类型时
import { ref,reactive, watch } from "vue" import { useRoute } from "vue-router"
4、开启深度监听和 immediate监听立即执行
import { ref,reactive, watch } from "vue" import { useRoute } from "vue-router"
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