@Bean
public CorsFilter corsFilter() {
final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
final CorsConfiguration config = new CorsConfiguration();
// 允许cookies跨域
config.setAllowCredentials(true);
// #允许向该服务器提交请求的URI，*表示全部允许，在SpringMVC中，如果设成*，会自动转成当前请求头中的Origin
config.addAllowedOrigin("*");
// #允许访问的头信息,*表示全部
config.addAllowedHeader("*");
// 预检请求的缓存时间（秒），即在这个时间段里，对于相同的跨域请求不会再预检了
config.setMaxAge(18000L);
// 允许提交请求的方法，*表示全部允许
config.addAllowedMethod("*");
source.registerCorsConfiguration("/**", config);
return new CorsFilter(source);
}
关于对cookies跨域问题解决

 

//------关于请求跨域问题的解决-----//
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Credentials", "true");
response.setHeader("Access-Control-Allow-Methods", "POST,PUT,GET,OPTIONS,DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With,Authorization,Token,, Accept, Authorization,Cookie, Set-Cookie");

response.setHeader("Set-Cookie","uid2=112; Path=/");