交友小程序

JavaScript// pages/index/index.js

onLoad(options) {

  // 微信授权登录

  wx.getUserProfile({

    desc: '用于完善会员资料',

    success: (res) => {

      const userInfo = res.userInfo;

      // 查询用户是否已注册

      const db = wx.cloud.database();

      db.collection('users').where({

        _openid: wx.cloud.getOpenid()

      }).get({

        success: (res) => {

          if (res.data.length === 0) {

            // 新用户注册，存入数据库

            db.collection('users').add({

              data: {

                avatarUrl: userInfo.avatarUrl,

                nickName: userInfo.nickName,

                gender: '保密',

                phone: '',

                address: '',

                sign: '热爱生活，期待相遇',

                createTime: db.serverDate()

              },

              success: () => wx.showToast({ title: '登录成功' })

            })

          } else {

            // 老用户，更新缓存

            wx.setStorageSync('userInfo', res.data[0]);

          }

        }

      })

    }

  })

}