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How to resolve CORS policy: No 'Access-Control-Allow-Origin ...

can any one have idea this error. alt text. I am setting request headers as shown below. & angular is running in my local (localhost:4200) alt text.

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查詢 「HTTP header Allow」的人也找了：

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  4. iis access-control-allow-origin
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  5. access-control-allow-credentials
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  6. has been blocked by cors policy解決
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  7. no 'access-control-allow-origin' header is present on the requested resource.
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