CorsProcessor (Spring Framework 4.3.30.RELEASE API)

所有已知实现类:
DefaultCorsProcessor
```
public interface CorsProcessor
```
A strategy that takes a request and a CorsConfiguration and updates the response.
This component is not concerned with how a CorsConfiguration is selected but rather takes follow-up actions such as applying CORS validation checks and either rejecting the response or adding CORS headers to the response.
从以下版本开始:
4.2
作者:
Sebastien Deleuze, Rossen Stoyanchev
另请参阅:
CORS W3C recommendation, AbstractHandlerMapping.setCorsProcessor(org.springframework.web.cors.CorsProcessor)

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`boolean`	`processRequest(CorsConfiguration configuration, HttpServletRequest request, HttpServletResponse response)`	Process a request given a `CorsConfiguration`.

- 方法详细资料
  - processRequest
```
boolean processRequest(CorsConfiguration configuration,
                       HttpServletRequest request,
                       HttpServletResponse response)
                throws IOException
```
    Process a request given a CorsConfiguration.
    参数:
    configuration - the applicable CORS configuration (possibly null)
    request - the current request
    response - the current response
    返回:
    false if the request is rejected, true otherwise
    抛出:
    IOException