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[WebAPI] CORS setting WebApi cross-domain issue

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Posted on 7/12/2017 5:22:52 PM | | | |

CORS stands for Cross-Origin Resource Sharing, and Chinese is Cross-Origin Resource Sharing. It solves the cross-domain problem by adding corresponding identifiers to the HTTP request and response packets to tell the browser which domain names it can access

Use Nuget on the WebApiCORS project to search for "microsoft.aspnet.webapi.cors"



Then configure cross-domain in the WebApiConfig.cs folder under the App_Start folder
specify jQuery.support.cors = true; This sentence can solve the problem of IE8 and 9 supporting CORS

, this * sign is not safe. Because it means that as long as someone knows your request URL, any request can access your resource. This is quite dangerous. So we need to do some configuration to restrict access. For example, our more common practices are as follows:

Configuration method 1:

to the web.config configuration file








Configuration method 2:







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 Landlord| Posted on 7/12/2017 5:23:34 PM |
EnableCors specifies that multiple domain names can be accessed, usedComma separation



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