这是基于 yesthatguy 的回答的 Java Web 应用解决方案。
我正在使用 Jersey REST 1.x
配置 web.xml 以了解 Jersey REST 和 CORSResponseFilter
<!-- Jersey REST config -->
<servlet>
<servlet-name>JAX-RS Servlet</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>com.sun.jersey.spi.container.ContainerResponseFilters</param-name>
<param-value>com.your.package.CORSResponseFilter</param-value>
</init-param>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.your.package</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>JAX-RS Servlet</servlet-name>
<url-pattern>/ws/*</url-pattern>
</servlet-mapping>
这是 CORSResponseFilter 的代码
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerResponse;
import com.sun.jersey.spi.container.ContainerResponseFilter;
public class CORSResponseFilter implements ContainerResponseFilter{
@Override
public ContainerResponse filter(ContainerRequest request,
ContainerResponse response) {
String[] allowDomain = {"http://localhost:9000","https://my.domain.example"};
Set<String> allowedOrigins = new HashSet<String>(Arrays.asList (allowDomain));
String originHeader = request.getHeaderValue("Origin");
if(allowedOrigins.contains(originHeader)) {
response.getHttpHeaders().add("Access-Control-Allow-Origin", originHeader);
response.getHttpHeaders().add("Access-Control-Allow-Headers",
"origin, content-type, accept, authorization");
response.getHttpHeaders().add("Access-Control-Allow-Credentials", "true");
response.getHttpHeaders().add("Access-Control-Allow-Methods",
"GET, POST, PUT, DELETE, OPTIONS, HEAD");
}
return response;
}
}