web.xml配置方式

<filter>
      <filter-name>CorsFilter</filter-name>
      <filter-class>com.springmvc.common.filter.CORSFilter</filter-class>
  </filter>
  <filter-mapping>
      <filter-name>CorsFilter</filter-name>
      <url-pattern>/*</url-pattern>
  </filter-mapping>
  <filter>

拦截器

public class CORSFilter implements Filter {

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
        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, X-Requested-With, Content-Type, Accept, X-Token");
        response.setHeader("Access-Control-Allow-Credentials","true");
        chain.doFilter(req, res);
    }
    public void init(FilterConfig filterConfig) {
    }
    public void destroy() {
    }
}