java后台和微信小程序之登录对接
https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/signature.html 这是开放数据校验和解密
https://developers.weixin.qq.com/miniprogram/dev/api/wx.getUserInfo.html 获取用户信息
https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/signature.html 这是开放数据校验和解密
https://developers.weixin.qq.com/miniprogram/dev/api/wx.getUserInfo.html 获取用户信息