Utils-spring配置跨域

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
@Component
public class CrossDomainFilter implements Filter {
	@Override
	public void init(FilterConfig filterConfig) throws ServletException { }
	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) 
	throws IOException, ServletException {
    		HttpServletResponse response = (HttpServletResponse) servletResponse;
    		HttpServletRequest request = (HttpServletRequest) servletRequest;
    		// 指定允许其他域名访问
    		response.setHeader("Access-Control-Allow-Origin", "*");
    		// 响应类型
    		response.setHeader("Access-Control-Allow-Methods", "POST, GET, DELETE, OPTIONS, DELETE");
    		// 响应头设置
    		response.setHeader("Access-Control-Allow-Headers", "Authorization, Content-Type, x-requested-with, X-Custom-Header, HaiYi-Access-Token");
    		if ("OPTIONS".equals(request.getMethod())){
    			response.setStatus(204);
    		}else{
    			filterChain.doFilter(servletRequest, servletResponse);
    		}
	}
	@Override
	public void destroy() { }
}