微信小程序实现简易加法计算器

<!--pages/cal/cal.wxml-->
<view class="container">
  <input placeholder="被加数" bindinput="bindInput1"/>
  <input placeholder="加数" bindinput="bindInput2"/>
  <button type="primary" bindtap="bindAdd">计算</button>
  <input placeholder="结果" value="{{result}}" disabled/>
</view>

Page({
 
    
    data: {
      num1:"",//被加数
      num2:"",//加数
      result:"" //结果
    },
    bindAdd:function(e) {
        var r =this.data.num1 * 1 +this.data.num2 * 1;
        console.log(r);
        this.setData({
          result: r
        });
      },
     
      bindInput1:function(e) {
        var n = e.detail.value;
        console.log(n);
        if (!isNaN(n)) {
          this.setData({
            num1: n
          });
        };
      },
     
      bindInput2:function(e) {
        var n = e.detail.value;
        console.log(n);
        if (!isNaN(n)) {
          this.setData({
            num2: n
          });
        };
      }
    })

.container{
    justify-content: flex-start;
    padding: 30rpx 0;
}
.container input{
    background-color:#eee;
    border-radius: 6rpx;
    text-align: left;
    width: 720rpx;
    height: 100rpx;
    line-height: 100rpx;
    margin: 20rpx;
}
.container button{
    width: 80%;
}

<!--pages/tabbar2/sliderCalc/sliderCalc.wxml-->
<view class="content">
    <view class="section_title">被加数</view>
    <slider min="0" max="1000" bindchange="bindInput1" show-value></slider>
    <view class="section_title">加数</view>
    <slider min="0" max="1000" bindchange="bindInput2" show-value></slider>
    <button type="primary" bindtap="bindAdd">计算</button>
    <view class="section_title">结果：{{result}}</view>
</view>

.content{
    margin: 40rpx;
}
.content button{
    width: 80%;
}
view,button,slider{
    margin: 40rpx 0;
}