父组setup(){constdata=reactive({deviceTypesTotal:{}})provide('deviceTypesTotal',data.deviceTypesTotal)子组import{defineComponent,reactive,toRefs,ref,onMounted,inject,watch}来自'vue'constdeviceTypesTotal=inject('deviceTypesTotal')watch(deviceTypesTotal,(newValue)=>{console.log(newValue)data.deviceTypesTotal=newValue.deviceTypesTotal},{deep:真的}）
