간략한 소개: 미니 프로그램의 인증된 로그인 기능 구현

  <view>
        <view>
          <text>需要先授权获取个人信息</text>
          <button>微信账号快速授权</button>
        </view>
  </view>

getUserInfo:e=>{      this.setData({        isShow:false
      })

      wx.login({        success: function (res) {               let code = res.code // 登录凭证code
         }
      })
      
  }

         wx.request({                url: 获取用户信息的auth.code2Session微信api接口,                method: 'POST',                data:{                  code:code//登录凭证code
                },                header: {                  'content-type': 'application/json;charset=UTF-8'
                },                
                success: function (res) {                  var userphone= res.data.data                  //解密手机号
                  var msg = e.detail.errMsg;                  var sessionKey = userphone.session_key;//会话密钥
                  var encryptedData=e.detail.encryptedData; //签名
                  var unionid = userphone.unionid//唯一标识
                  var iv= e.detail.iv;                  //授权成功
                  if (msg == 'getPhoneNumber:ok') {
                    wx.checkSession({                      success:function(){                        //进行请求服务端解密手机号
                        this.deciyption(sessionKey,encryptedData,iv,unionid);
                      }
                    })
                  }
                }
              })
        }
      })

deciyption(sessionKey,encryptedData,iv,unionid){    var that = this;
    wx.request({      url: 解密接口,      method: 'POST',      data: {        sessionKey: sessionKey,        encryptedData:encryptedData,        iv: iv
      },      header: {        'content-type': 'application/json;charset=UTF-8'
      },      success: function(res) {
        let data = res.data        if (data.resultCode == 'success') {
            wx.setStorageSync('userTel', data.data.phoneNumber);//存储解密后的用户手机号
        }else{
            wx.showToast({                title: '获取信息失败请重新授权',                icon: 'none'
            })
            that.setData({                isShow:true
            })
        }    
      },
      fail:function(res) {
        wx.showToast({            title: '获取失败请重新授权',            icon: 'none'
        })
        that.setData({          isShow:true
        })
      }
    })
  },