那获取用户信息需要获取用户openid ，获取用户openid 只有去授权code去获取accessToken才能得到openid, 那岂不是每天去使用公众号网页授权的用户是有限的？只有2000次？
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- Raw code: Mini Program/Development/Capabilities/Industry capability/Ride Code/Raw code
- 3、 sample code: Mini Program/Development/Capabilities/Industry capability/Ride Code/Raw code
- 3、 sample code: Mini Program/Development/Capabilities/Industry capability/Ride Code/Scan Code Payment
- Scan Code Payment: Mini Program/Development/Capabilities/Industry capability/Ride Code/Scan Code Payment
- Return code: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Get and verify QR code interface/Generate QR code
在公众号后台的接口权限里可以看到次数
仔细看这里https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html