微信小程序获取手机号授权用户登录功能

<span style="font-size:14px;"><button open-type="getPhoneNumber" bindgetphonenumber="getPhoneNumber"></button></span>

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) { }  
   })  
  }  
 }