（五十）checkbox

checkbox单选

// pages/demo/demo.js
Page({
    data: {
        items:[{
            id:11212,
            name:11212
        },{
            id:21212,
            name:21212
        }],
        type:1,
        member_type:""
    },
    heihei(e){
        var t = e.currentTarget.dataset.type;
        if(this.data.type != t){
            this.setData({
                type: t
            })
        }else{
            this.setData({
                type:""
            })
        }
        console.log(this.data.type)
    },
    heihei2(e){
        var t = e.currentTarget.dataset.id;
        if(this.data.member_type != t){
            this.setData({
                member_type: t
            })
        }else{
            this.setData({
                member_type:""
            })
        }
        console.log(this.data.member_type)
    },
})

<checkbox-group bindchange="mychange">
    <checkbox value="1" data-type="1" bindtap="heihei" checked="{{type==1}}" style="zoom:.8" />1
    <checkbox value="2" data-type="2" bindtap="heihei"  checked="{{type==2}}" style="zoom:.8" />2
</checkbox-group>

<block wx:key wx:for="{{items}}" wx:for-index="index" wx:for-item="item">
    <checkbox class="modal7" data-id="{{item.id}}" bindtap="heihei2" checked="{{member_type==item.id}}" />{{item.name}}
</block>