1.WXML
<van-field name="idcard" label="ID Card" placeholder="ID Card Number" data-prop="idcard" value=‘{{idcard}}‘ required clearable clearable bindchange=‘synchroValue‘> <van-button slot="button" size="small" bindtap="inputBlur" type="danger">Search</van-button> </van-field>
2.JS
data: {
idcard:""
},
synchroValue: function (e) {
this.setData({
[e.currentTarget.dataset.prop]: e.detail
})
},