Cross domain problem solving of spring cloudgateway gateway
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Java
Application scenario: all microservices pass through the gateway. When interfacing with the front end, cross domain issues must be designed. There are many cross domain solutions for the server, which can be annotated (specify a specific path to allow cross domain) or configured uniformly.
In addition, if it is not configured at the gateway portal, it is bound to have a great impact, that is, the front end invokes other microservices through the gateway portal, and the following errors usually occur:
Core code (solution):
Spirngcloud gateway solution: spring cloud gateway – CORS solves cross domain problems
Annotation solution: Java backend solves cross domain problems (filters or annotations)
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