vue计算属性的使用

1.变量绑定一个v-model

2.采用get和set的方式得到动态的结果
computed: {
flightNoUpperCase: {
get() {
return this.flightNo;
},
set(val) {
this.flightNo = val.toUpperCase();
}
},
segmentSelectDisabled() {
return this.flightNo.length == 0 || this.flightDate.length == 0;
}
}