效果

html代码

<form bindsubmit="formSubmit" bindreset="formReset">
  <view class="section section_gap">
    <view class="section__title">是否公开信息</view>
    <switch name="isPub" />
  </view>

  <view class="section">
    <view class="section__title">手机号</view>
    <input name="phone" placeholder="手机号" />
  </view>
  <view class="section">
    <view class="section__title">密码</view>
    <input name="pwd" placeholder="密码" password/>
  </view>
  <view class="section section_gap">
    <view class="section__title">性别</view>
    <radio-group name="sex">
      <label>
        <radio value="男" checked/>男</label>
      <label>
        <radio value="女" />女</label>
    </radio-group>
  </view>
  <view class="btn-area">
    <button formType="submit">提交</button>
    <button formType="reset">重置</button>
  </view>
</form>
<view wx:if="{{isSubmit}}">
  {{warn ? warn : "是否公开信息："+isPub+"，手机号："+phone+"，密码："+pwd+"，性别："+sex}}
</view>

css代码

.section{
  display: flex;
  flex-direction: row;
  margin: 20rpx;
}
.section view{
  margin-right: 20rpx;
}
.btn-area{
  margin: 20rpx;
}
button{
  margin: 10rpx 0;
}

js代码

let app = getApp();
Page({
  data: {
    isSubmit: false,
    warn: "",
    phone: "",
    pwd: "",
    isPub: false,
    sex: "男"
  },
  formSubmit: function (e) {
    console.log('form发生了submit事件，携带数据为：', e.detail.value);
    let { phone, pwd, isPub, sex } = e.detail.value;
    if (!phone || !pwd) {
      this.setData({
        warn: "手机号或密码为空！",
        isSubmit: true
      })
      return;
    }
    this.setData({
      warn: "",
      isSubmit: true,
      phone,
      pwd,
      isPub,
      sex
    })
  },
  formReset: function () {
    console.log('form发生了reset事件')
  }
})