如何利用微信小程序获取OneNet平台数据显示温湿度

<!--pages/index/index.wxml-->
<view  class= "content">
    <view  class= "zm">
    <text class="zm1">照明开关</text>
    <switch class="kai" checked="{{isChecked1}}" bindchange="changeSwitch1"/>
    </view>
    <view style="flex:1;width:100%">
     <label class="xia">
      <text class="zm1">排气扇开关</text>
      <switch class="kai" checked="{{isChecked1}}" bindchange="changeSwitch1"/>
     </label>
     </view>
    
     <view style="flex:1;width:100%">

       <label class="xia">
       <text class="zm1">当前温度：{{wendu}}°C</text>
       </label>

     </view>
     
     <view style="flex:1;width:100%">
     <label class="xia">
      <text class="zm1">当前湿度：{{shidu}} %</text>
     </label>
     </view>
     <button class="login-btn" bindtap="points" >显示温湿度</button>   
  </view>

/* pages/index/index.wxss */
page {
  background: #f6f6f6;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.headTitle{
   width: 100%;
   height: 80rpx;
   background-color: #ffffff;
   overflow:hidden  ;/** 设置超出内容隐藏 */
   white-space:nowrap;   /*设置超出不换行 */
   border-bottom :1px solid #F3F3F3;
}
.headTitle .titleItem{
  display: inline-block;
  line-height:80rpx;
  color: #889999;
  font-size:34rpx;
  margin: 0 20rpx;
}
.headTitle .selctItem{
  color: #000000;
  font-weight: bold;
}
.itemView{
  width: 100%;
  height:180rpx;
  position: relative;
  border-bottom: 1px solid #F3F3F3;
}
.zm{
  margin-top: 20rpx;
  border:1px solid#ebe4e286;
  width:750rpx;
  height: 100rpx;
  border-radius: 5px;
  font-size: 36;
  font-weight: bold;
  line-height: 80rpx;
  color: #32d5e0;
  text-align: center;
  display: flex;
  position: relative;/*父元素位置要设置为相对*/

}
.login-btn{
  width: 40%!important;
  background-color: #33ff33;
  color: white;
  font-weight: normal;
}
.content{
  margin-top: 20rpx;
  border:1px solid#ebe4e286;
  width:750rpx;
  height: 600rpx;
  border-radius: 5px;
  font-size: 36;
  font-weight: bold;
  line-height: 80rpx;
  color: #32d5e0;
  text-align: center;
  flex-direction: column;
  display: flex;

}
.xia{
  justify-content: space-between;
}
.zm1{
  position: absolute; /* 要约束所在位置的子元素的位置要设置成绝对 */
  left: 30rpx; /* 靠右调节 */
}
.radio{
  display:inline-block; /*  横向布局*/

}
.kai{

  position: absolute; /* 要约束所在位置的子元素的位置要设置成绝对 */
  right: 100rpx; /* 靠右调节 */
  
}
.mos{
 
  left: 120rpx; /* 靠右调节 */
  height: 200rpx;
}

 points:function(e) {
 
 
 }，

points:function(e) {
    var that = this
    wx.request({
       //设备ID
      //api-key
      url: 'http://api.heclouds.com/devices/xxxxxxxxxx/datapoints?', //xxxxxxxxxx这里填写你的设备id
      header:{
        "api-key":"xxxxxxx"  //这里写你的api-key
      },
      data:{
        limit:1
      },
      method :"GET",
       //获取成功
      success:function(res){
       that.setData({
         shidu:res.data.data.datastreams[0].datapoints[0].value, //这里的shidu要跟wxml{{shidu}} 名字相同
         wendu:res.data.data.datastreams[1].datapoints[0].value,
       })    
      }
    })
  },

shidu:res.data.data.datastreams[0].datapoints[0].value, 
wendu:res.data.data.datastreams[1].datapoints[0].value,