watchEffect的用法

watchEffect的回調(diào)方法里，用到了哪個屬性，就監(jiān)視哪個屬性

let temp = 0;
let height = 0;
watchEffect(()=>{if(temp.value >= 60 || height.value >= 80){console.log('給服務(wù)器發(fā)請求')}
})