获取“gapi.client 未定义"尝试检索经过身份验证的 Google+ 用户的电子邮件地址时 [英] Getting "gapi.client is undefined" when trying to retrieve an authenticated Google+ user's email address

问题描述

我正在尝试从使用 google + 登录按钮登录到我的网站的访问者那里检索用户数据，但我最终在 javascript 控制台中收到消息TypeError: gapi.client is undefined".

I'm trying to retrieve user data from a visitor who has signed in to my site using google + sign in button, but I just end up with the message "TypeError: gapi.client is undefined" in the javascript console.

由于我无法识别错误，我最终从 Google 复制/粘贴了示例代码，可在此处找到:https://developers.google.com/+/web/people/#retrieve_an_authenticated_users_email_address

Since I could not identify the error I finally copy/pasted the example code from Google, which can be found here: https://developers.google.com/+/web/people/#retrieve_an_authenticated_users_email_address

我唯一改变的是客户端 ID(对于 Web 应用程序).

The only thing I changed was the Client ID (for web applications).

我仍然遇到同样的错误！

And I STILL get the same error!

由于示例代码对我不起作用，我在想，也许我在 Google API 控制台中的设置是错误的.我已尝试按照说明操作:

Since the example code does not work for me, I'm thinking, maybe my settings in the Google API Console are wrong. I have tried to follow the instructions:

• Google+ API 服务已启用
• 重定向 URI:无
• JavaScript origins 设置为 localhost 和实际生产域.

也尝试将示例代码上传到生产服务器，只是为了看看这是不是本地环境问题，但我仍然遇到相同的错误.

Have also tried to upload the example code to the production server, just to see if this was a local environment issue, but I still get the same error.

推荐答案

除了 plusone 脚本外，您还必须包含脚本和 client API:

You must include the script and include the client API in addition to the plusone script:

<script src="https://apis.google.com/js/client:plusone.js" type="application/javascript"></script>

演示页面做错了，我已经修复了.

The demo page was doing it incorrectly, which I've fixed.

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