java 설정은 전역 요청을 허용합니다

java 설정은 전역 요청을 허용합니다

직접 부호:

@WebFilter("/*")
public class CORSFilter implements Filter {
    public CORSFilter() {
    }

    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        //      
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;
        String[] allowDomains = {"http://www  1",http://www  2"};
        Set allowOrigins = new HashSet(Arrays.asList(allowDomains));
        String originHeads = request.getHeader("Origin");
        if(allowOrigins.contains(originHeads)){
            response.setHeader("Access-Control-Allow-Origin", originHeads);
            response.setHeader("Access-Control-Allow-Methods", "POST,GET,OPTIONS,DELETE,HEAD,PUT,PATCH");
            response.setHeader("Access-Control-Max-Age", "36000");
            response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept,Authorization,authorization");
            response.setHeader("Access-Control-Allow-Credentials","true");
        }
        chain.doFilter(req, response);
    }

    public void init(FilterConfig fConfig) throws ServletException {
    }
}

설명:

response.setHeader("Access-Control-Allow-Origin","*");

response.setHeader("Access-Control-Allow-Origin","*");
response.setHeader("Access-Control-Allow-Credentials","true");//     Ajax    Cookie