微信小程序getPhoneNumber获取用户手机号

<button open-type="getPhoneNumber" bindgetphonenumber="getPhoneNumber">

App({ 
  onLaunch: function () { 
    wx.login({ 
      success: function (res) { 
        if (res.code) { 
          //发起网络请求 
          console.log(res.code) 
        } else { 
          console.log('获取用户登录态失败！' + res.errMsg) 
        } 
      } 
    }); 
  } 
}) 

getPhoneNumber: function(e) {  
  console.log(e.detail.errMsg)  
  console.log(e.detail.iv)  
  console.log(e.detail.encryptedData)  
  if (e.detail.errMsg == 'getPhoneNumber:fail user deny'){ 
   wx.showModal({ 
     title: '提示', 
     showCancel: false, 
     content: '未授权', 
     success: function (res) { } 
   }) 
  } else { 
   wx.showModal({ 
     title: '提示', 
     showCancel: false, 
     content: '同意授权', 
     success: function (res) { } 
   }) 
  } 
 }