功能 - 微信小程序支付 - 检测IOS安卓

作用：检测IOS安卓

官方解释

https://developers.weixin.qq.com/community/operate/detail/1006

getSystemInfo({})检测

.wxml
按钮禁止使用buy方法

  <view>
    <button bindtap="buy"disabled="{{db}}">{{create}}</button>
  </view>

  data: {
    systemInfo: {},
    create: "",
    db: true, //创建按钮
  },
  onShow: function() {
    //检查终端ios/安卓
    this.ios()
  },
  //检查终端ios/安卓
  ios() {
    var that = this;
    wx.getSystemInfo({
      success: function(res) {
        that.setData({
          systemInfo: res,
        })
        if (res.platform == "devtools") {            
          that.setData({
            create: "购买",
            db: false //创建按钮
            //浏览器
          })
        } else if (res.platform == "ios") {            
          that.setData({
            create: "IOS不阔以",
          })
        } else if (res.platform == "android") {            
          that.setData({
            create: "购买",
            db: false //创建按钮
          })
        }
      }
    })
  },