vue如何修改数组中对象的值？

Answer 1

this.iptDatas[index].showAlert = true;
Vue.set(this.iptDatas, index, this.iptDatas[index]);

Answer 2

可以定义一个临时数组

var tempList = this.iptDatas;

tempList[0].showAlert = false;

this.iptDatas = tempList;

或者直接修改

this.iptDatas[0].showAlert = false;