@Configuration
publicclassWebMvcConfigextendsWebMvcConfigurerAdapter{
@Override
publicvoidaddCorsMappings(CorsRegistryregistry){
registry.addMapping("/**")
.allowedOrigins("*")
.allowedMethods("POST","GET","PUT","OPTIONS","delete")
.maxAge(3600)
.allowCredentials(true);
}
}

@Component
@WebFilter(urlPatterns="/*",filterName="authFilter")//这里的“/*”表示的是需要拦截的请求路径
publicclassPassHttpFilterimplementsFilter{
@Override
publicvoidinit(FilterConfigfilterConfig)throwsServletException{}
@Override
publicvoiddoFilter(ServletRequestservletRequest,ServletResponseservletResponse,FilterChainfilterChain)throwsIOException,ServletException{
HttpServletResponsehttpResponse=(HttpServletResponse)servletResponse;
httpResponse.setHeader("Access-Control-Allow-Headers","Origin,X-Requested-With,Content-Type,Accept");
httpResponse.setHeader("Access-Control-Allow-Credentials","true");
httpResponse.addHeader("Access-Control-Allow-Origin","http://127.0.0.1:8080");
filterChain.doFilter(servletRequest,httpResponse);
}
@Override
publicvoiddestroy(){}
}