本文实例为大家分享了vue使用vant中的checkbox实现全选功能的具体代码，供大家参考，具体内容如下
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<template>
<div class="visiblePeople">
<topbar />
<ul class="list clear_float">
<li v-for="(item, index) in people" :key="index">
<van-checkbox
v-model="item.flag"
class="listli"
></van-checkbox>
<div class="right">
<p>{{ item.name }}</p>
<p>{{ item.id }}</p>
</div>
</li>
</ul>
<div class="bottom">
<div class="left">
<van-checkbox v-model="allcheck" class="all">全选</van-checkbox>
</div>
<button @click="jump">确定</button>
</div>
</div>
</template>
<script>
export default {
data() {
return {
people: [
{ id: "002", name: "陈阳", flag: true },
{
id: "003",
name: "王苗苗",
flag: true,
},
{
id: "004",
name: "张梁俊",
flag: true,
},
{
id: "005",
name: "刘路",
flag: true,
},
],
};
},
methods: {
//点击确定后跳转回新增合同页面
jump() {
this.$router.push("/addContract");
},
//单选按钮切换
// change(index) {
// this.people[index].flag = !this.people[index].flag;
// console.log(this.people[index].flag);
// },
},
computed:{
allcheck:{
get(){
//取值
//every方法，数组中每一项都满足一个条件返回true
return this.people.every(item=>item.flag)
},
set(newValue){
//设置值
console.log('触发set方法')
this.people.map(item=>item.flag=newValue)
}
},
filterAll(){
return this.people.filter(item=>item.flag).length
},
count(){
let checkedList=this.people.filter(item=>item.flag)
return checkedList.length.reduce((total,item)=>{
return total+item.num
},0)
}
}
};
</script>
<style lang="less" scoped>
.list {
background: #f8f9fb;
height: 574px;
li {
height: 56px;
margin: 10px 0 10px 0;
float: left;
img {
width: 19px;
height: 19px;
float: left;
margin: 13px;
&.on {
display: block;
}
&.off {
display: none;
}
}
.listli {
float: left;
margin: 19px 13px 0 13px;
}
.right {
float: left;
background: #ffffff;
width: 328px;
height: 56px;
padding: 0px 0 0 13px;
box-sizing: border-box;
p:nth-of-type(1) {
font-size: 15px;
font-family: PingFang SC;
font-weight: 400;
color: #000000;
line-height: 29px;
}
p:nth-of-type(2) {
font-size: 13px;
font-family: PingFang SC;
font-weight: 400;
color: #666666;
line-height: 14px;
}
}
}
}
.bottom {
height: 50px;
position: fixed;
bottom: 0;
.left {
width: 237px;
background: #ffffff;
height: 100%;
float: left;
img {
width: 18px;
float: left;
margin: 18px 13px 0 18px;
&.on {
display: block;
}
&.off {
display: none;
}
}
.all {
margin: 17px 0 0 14px;
}
p {
float: left;
font-size: 13px;
font-family: PingFang SC;
font-weight: 400;
color: #333333;
margin-top: 18px;
}
}
button {
float: left;
width: 138px;
height: 50px;
line-height: 50px;
background: #336afa;
color: #ffffff;
}
}
</style>
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本次遇到的问题是自己一开始没发现在people数组里面，定义的每一项flag的值设置的类型为字符串型即flag="true",导致一开始进入页面全部无论值为true还是false，复选框都是选中效果，修改之后便没有了此问题。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/weixin_47813845/article/details/109636953