Lee*_*Lee 7 serverless-framework serverless aws-serverless
我有一个React应用程序,试图从AWS访问无服务器。但是我有下面的错误
No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://www.test.com' is therefore not allowed access. The response had HTTP status code 502.
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端点网址为https://key.execute-api.ap-southeast-2.amazonaws.com/dev/samplefunction
在serverless.yml上的设置是
login:
handler: login.login
events:
- http:
path: login
method: post
cors:
origin: 'https://admin.differentdomain.com'
headers:
- MY_CUSTOM_HEADER
- Content-Type
- X-Amz-Date
- Authorization
- X-Api-Key
- X-Amz-Security-Token
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我还有其他地方需要进行CORS配置吗?
Ull*_*lli 15
无服务器中的 CORS 设置详细说明如下:https ://serverless.com/blog/cors-api-gateway-survival-guide/
除了 serverless.yml 中的配置(用于预检请求)之外,您还需要从代码中Access-Control-Allow-Origin返回标头。Access-Control-Allow-Credentials在您的示例和 Node.js 实现中:
return {
statusCode: 200,
headers: {
'Access-Control-Allow-Origin': 'https://admin.differentdomain.com',
'Access-Control-Allow-Credentials': true,
},
body: {},
};
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确保在第一个标头中包含“https”部分,我之前偶然发现过这一点。
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