js代码

data{
  datas:[
{  "item": "你是个忧心忡忡的人吗？", "answer1": "是", "answer2": "否" },
{ "item": "你是否觉得人们为了未来有保障，而在储蓄和保险方面花费的时间太多了？", "answer1": "是", "answer2": "否" },
{ "item": "当你看到小孩（或动物）受折磨时是否感到难受？", "answer1": "是", "answer2": "否" }
]
},

formSubmit: function (e) {
    console.log('form发生了submit事件，携带数据为：', e.detail.value);
    this.setData({
      allValue: e.detail.value.answer
    })
  },
  formReset: function () {
    console.log('form发生了reset事件')
  },

wxml代码

<form bindsubmit="formSubmit" bindreset="formReset">
  <view wx:for="{{datas}}">
    <view>{{index+1}}{{item.item}}</view>
    <view class="section section_gap">
      <radio-group name="answer" bindchange="radioChange">
        <label>
          <radio value="radio1" />是</label>
        <label>
          <radio value="radio2" />否</label>
      </radio-group>
    </view>
  </view>
     <radio-group name="radio-group">
      <label><radio value="radio1"/>radio1</label>
      <label><radio value="radio2"/>radio2</label>
    </radio-group>
  <view>
    <button formType="submit" bindtap=" answer2db">提交</button>
    <button formType="reset">取消</button>
  </view>
</form>