1.  onApply() {
    2.     let self = this;
    3.     wx.getSystemInfo({
    4.       success: function (e) {
    5.         var a = e.model;
    6.         if (a.indexOf("iPhone") != -1) {
    7.           //是不是包含iphoneX
    8.           if (a.indexOf("6" || "7" || "8") != -1) {
    9.             self.globalData.isIphone = false;
    10.             return;
    11.           }
    12.           self.globalData.isIphone = true;
    13.         } else {
    14.           self.globalData.isIphone = false;
    15.         }
    16.       }
    17.     });
    18.   }