vue点击标签切换选中及互相排斥

单身和已婚不能同时选中，不了解保险和已了解保险不能同时选中。同时各个标签点击可以取消选择

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//html <li> <span class="fill-title">与我相关</span> <div> <van-button v-for="(item, index) in myself" :key="index" @click="checkButton('myself', item.id)" :class="item.isFlag ? 'current' : ''" >{{item.title}}</van-button> </div> </li> <li> <span class="fill-title">标签</span> <div> <van-button v-for="item in biaoqian" :key="item.id" @click="checkButton('tag', item.id)" :class="item.isFlag ? 'current' : ''" >{{item.title}}</van-button> </div> </li>

数据

myself: [ { id: 1,title: "亲属", isFlag: false }, {id: 2,title: "同乡",isFlag: false}, {id: 3, title: "同学",isFlag: false }, {id: 4,title: "同事", isFlag: false},], biaoqian: [ {id: 1, title: "已婚",type: 1,isFlag: false }, {id: 2,title: "单身",type: 1,isFlag: false }, {id: 3,title: "有娃",isFlag: false }, {id: 4,title: "有房", isFlag: false }, {id: 5,title: "有车",isFlag: false}, {id: 6,title: "不了解保险",isFlag: false,type: 2}, {id: 7,title: "已了解保险",isFlag: false,type: 2} ],

js

//标签只能选中一个 filterData(arr = [], index) { let val = ""; arr.forEach(item => { if (item.id == index) { item.isFlag = !item.isFlag; val = item.isFlag ? item.title : ""; } else { item.isFlag = false; } }); return val; }, checkButton(val, index) { if (val === "tag") { let data = []; this.biaoqian.forEach(item => { if (item.id == index) { // a 记录当前标签状态是否选中，为了取消标签状态 let a = item.isFlag; item.isFlag = !item.isFlag; if (item.type) { this.biaoqian.forEach(e => { if ((e.type == 1 && index < 3) || (e.type == 2 && index > 5)) { //先把同一个类型的标签都置为false e.isFlag = false; if (e.id == index) { e.isFlag = a ? false : !e.isFlag; } } }); } } }); let arr = this.biaoqian.filter(item => { return item.isFlag; }); arr.forEach(item => { data.push(item.title); }); this.personItem.labelList = data; } else if (val === "sex") { this.personItem.sex = this.filterData(this.sexArr, index); } else { this.personItem.relation = this.filterData(this.myself, index); } }