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解决微信OAuth2.0网页授权只能设置一个回调域名的问题

发布日期:2017-07-29 11:49:16  /  新闻来源:

解决微信OAuth2.0网页授权只能设置一个回调域名的问题,实现一个公众号可以部署多个项目


GetWeixinCode

解决微信OAuth2.0网页授权只能设置一个回调域名的问题


使用方法

  1. 部署get-weixin-code.html至你的微信授权回调域名的目录下

  2. 使用方式类似于直接通过微信回调的方式,只是将回调地址改成了get-weixin-code.html所在的地址,另外省去了response_type参数(因为它只能为code)以及#wechat_redirect(它是固定的),它们会在get-weixin-code.html里面自己加上

  3. get-weixin-code.html页面从微信那里拿到code之后会重新跳转回redirect_uri里面填写的url,并且在url后面带上code和state


详细示例

  1. 前往微信公众平台->接口权限->网页授权获取用户基本信息->修改,填写授权回调页面域名,例如www.abc.com

  2. 在www.abc.com域名下部署get-weixin-code.html,不一定是根目录,例如:http://www.abc.com/xxx/get-weixin-code.html

  3. 假设你的http://www.xyz.com/hello-world.html这个页面需要获取微信授权,那么你应该使用以下地址来获取授权:http://www.abc.com/xxx/get-weixin-code.html?appid=XXXX&scope=snsapi_base&state=hello-world&redirect_uri=http%3A%2F%2Fwww.xyz.com%2Fhello-world.html

  4. 这样最终就会跳转到这样一个地址:http://www.xyz.com/hello-world.html?code=XXXXXXXXXXXXXXXXX&state=hello-world,从而你就拿到了授权code以及自定义的state参数了


特别感谢

感谢以下朋友为本项目提供的贡献(排名不分先后)


其他说明

  • 通过多一次的跳转,解决了微信限制回调域名只能设置一个的问题

  • 牺牲了一点用户体验,换来了项目部署的美感,不需要将各种项目都部署到一个域名下

  • 如果你有这样的需求,可以使用本项目

  • 欢迎提交pull request

  • 建议先弄懂微信授权回调的流程再使用本项目

  • 很多朋友问我怎么支持第三方微信平台,这个需要对不同的第三方平台的授权方式有所了解,熟悉他们的授权方式,请求参数等。如果他们是通过在网站入口处的URL上进行授权的,那么可以使用本项目,将入口的URL改成上述的方式,如果他们是在流程中的某些页面去获取授权,那么是没法改变他们的获取地址的,所以本项目就不适用了



本文转载:gitHub 使用有疑问可以一起交流



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