微信小程序实例：表单提交的代码实现

<view class='container'>
  <form bindsubmit='denglu'>
    <view class='list'>
      <view class='left'>
        <label>手机号:</label>
        <input type='number' name="tel" bindinput='shj' maxlength='11' placeholder='请输入手机号'></input>
      </view>
      <view class='right'></view>
    </view>
    <view class='list border'>
      <view class='left'>
        <label>验证码:</label>
        <input type='number' name="code" placeholder='请输入验证码'></input>
      </view>
      <view class='right'>
        <button class='send' wx:if="{{isShow}}" catchtap='send'>发送验证码</button>
        <button class='send' disabled='{{true}}' wx:else>{{countdown}}秒后重新发送</button>
      </view>
    </view>
    <button form-type='submit' class='btn'>登录</button>
  </form>
</view>

const app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    isShow:true
  },

  //登录
  denglu:function(e){
     let fromdate=e.detail.value;
     wx.request({
       data:fromdate,
       success:function(res){}
     })
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    
  },

})