wxml

<form bindsubmit='res'>

  <van-field 
    id="vipAccount" 
    name="vipAccount" 
    required clearable left 
    label="会员号" 
    title-width="3.2em"
    bind:click-icon="onClickIcon" 
    custom-style="width:472rpx;float:left;padding-right:20rpx" />
  
   <van-button form-type='{{ sub }}' id="bindBtn" disabled='{{ disable }}' type="primary" custom-style="width:100%;"
        size="large">绑定账号
      </van-button>
  
</form>

js

data: {
  sub:"submit"
},

res: function (e) {
  console.log(666);
  vipAccount = e.detail.value.vipAccount
  console.log(vipAccount )
},