比如有三個按鈕button1.current button2.current button3.current默認(rèn)高亮button1，點擊之后切換在data寫了個數(shù)組 [true, false, false]click的method里傳個index，@click="a(index)" button是循環(huán)出來的用傳入index來進(jìn)行數(shù)組切換，this.array[index] = true重新賦值后，dom沒更新...