This article introduces Angular interceptor, including class -based interceptors (using
) and function -based interceptors (using withInterceptorsFromDi), and explain its modification requests, processing response, global error handling and request logs Record application. withInterceptors
Add licensed token:
- Add licensed token to the security API.
- Modify the request or response: Add head information and convert data.
- Automatic processing error: Display error information when the request fails. Request log records:
- track all HTTP requests for easy debugging. The type of interceptor comparison:
- Function -based interceptor:
Class -based interceptor: The function is more powerful and easier to expand.
- Which interceptor depends on the complexity and needs of the project. For simple scenarios, the interceptor of the function is sufficient; and for more complex scenarios, the interceptor -based interceptor is more flexible and maintained.
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