微信公众号网页授权的两种方式，snsapi_base、snsapi_userinfo
snsapi_base基础信息静默授权，不会打扰到用户，授权返回内容是：
{
"id": "og11w0hu...",
"name": null,
"nickname": null,
"avatar": null,
"email": null,
"original": {
"access_token": "27_T...",
"expires_in": 7200,
"refresh_token": "EQ...",
"openid": "og1",
"scope": "snsapi_base"
},
"token": "27_TDiwj62xKsng...",
"provider": "WeChat"
}
snsapi_userinfo用户公开信息授权，第一次需要用户确认，授权返回内容是：
{
"id": "og11w0hu...",
"name": "Charles",
"nickname": "Charles",
"avatar": "http:\/\/thirdwx.qlogo.cn\/mmopen\/vi_32\/PiajxSqBRaEJW4jPlAdDLJeG67fhnotIzBgL0tZjJBYnGLvG2TDPv0rAc0X7ZcZV03D4qsTicDPXTj7ibDkqbnYdw\/132",
"email": null,
"original": {
"openid": "og1...",
"nickname": "Charles",
"sex": 1,
"language": "zh_CN",
"city": "扬州",
"province": "江苏",
"country": "中国",
"headimgurl": "http:\/\/thirdwx.qlogo.cn\/mmopen\/vi_32\/PiajxSqBRaEJW4jPlAdDLJeG67fhnotIzBgL0tZjJBYnGLvG2TDPv0rAc0X7ZcZV03D4qsTicDPXTj7ibDkqbnYdw\/132",
"privilege": []
},
"token": "27_CFj...",
"provider": "WeChat"
}
本文json串使用bejson工具格式化