class MutableHttpServletRequest extends HttpServletRequestWrapper {
    // holds custom header and value mapping
    private final Map<String, String> customHeaders; 
    public MutableHttpServletRequest(HttpServletRequest request){
        super(request);
        this.customHeaders = new HashMap<String, String>();
    }
    
    public void putHeader(String name, String value){
        this.customHeaders.put(name, value);
    }
 
    public String getHeader(String name) {
        // check the custom headers first
        String headerValue = customHeaders.get(name);
        
        if (headerValue != null){
            return headerValue;
        }
        // else return from into the original wrapped object
        return ((HttpServletRequest) getRequest()).getHeader(name);
    }
 
    public Enumeration<String> getHeaderNames() {
        // create a set of the custom header names
        Set<String> set = new HashSet<String>(customHeaders.keySet());
        
        // now add the headers from the wrapped request object
        @SuppressWarnings("unchecked")
        Enumeration<String> e = ((HttpServletRequest) getRequest()).getHeaderNames();
        while (e.hasMoreElements()) {
            // add the names of the request headers into the list
            String n = e.nextElement();
            set.add(n);
        }
 
        // create an enumeration from the set and return
        return Collections.enumeration(set);
    }
}

public class SecurityFilter implements javax.servlet.Filter { 
    @Override
    public void destroy() {        
    }
 
    @Override
    public void doFilter(ServletRequest request, ServletResponse response,
            FilterChain chain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        MutableHttpServletRequest mutableRequest = new MutableHttpServletRequest(req);
        ...
        mutableRequest.putHeader("x-custom-header", "custom value");
        chain.doFilter(mutableRequest, response);
    }
 
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {        
    }
}

@Component
public class AccessFilter extends ZuulFilter {
    private  Logger log = LoggerFactory.getLogger(AccessFilter.class);
    @Autowired
    private VerificationHelper helper;
    private  BufferedReader reader=null;
    @Autowired
    private KeyAndFrequencyService service;
    @Autowired
    private ZuulTest zuulTest;
    @Autowired
    private PermissionHandler permissionHandler;
    @Override
    public String filterType() {
        //前置過濾器
        return "pre";
    }
    @Override
    public int filterOrder() {
        //優(yōu)先級，數(shù)字越大，優(yōu)先級越低
        return 0;
    }
    @Override
    public boolean shouldFilter() {
        //是否執(zhí)行該過濾器，true代表需要過濾
        return true;
    }
    @Override
    public Object run() {
        RequestContext ctx = RequestContext.getCurrentContext();
        HttpServletRequest request = ctx.getRequest();
        try {
            permissionHandler.setTokenExpireTime(200000000);
            String type = request.getHeader("type");
            zuulTest.say();
            System.out.println("......................................................");
            if (type == null) {
                System.out.println("......................................................驗證1");
                Object object = helper.AccessZuul(request, ctx);
                return object;
            } else {
                System.out.println("......................................................驗證2");
                PermissionResult result=permissionHandler.check(request);
                System.out.println(result);
                if(result.isState()){
          
MutableHttpServletRequest  mutRequest=new MutableHttpServletRequest (request)；
                     //增加頭部信息
                    DasAccountInfo accountInfo= permissionHandler.GetDasAccountInfoById(Integer.parseInt(result.getUserId()));
                    
                    mutRequest.putHeader("dasAccountInfo", JSON.toJSONString(disablePropertyName()))                   ;RequestContext.getCurrentContext().setRequest(mutRequest);
                    ctx.setSendZuulResponse(true);// 對該請求進行路由
                    ctx.setResponseStatusCode(200);
                    ctx.set("isSuccess", true);
                }else{
                    ctx.setSendZuulResponse(false);// 過濾該請求，不對其進行路由
                    ctx.setResponseStatusCode(401);// 返回錯誤碼
                    ctx.setResponseBody("{\"code\":0,\"result\":\"網(wǎng)關(guān)驗證失敗!驗證方式為2\"}");// 返回錯誤內(nèi)容
                    ctx.set("isSuccess", false);
                }
            }
        }catch (Exception e){
            e.printStackTrace();
            log.error("網(wǎng)關(guān)報錯?。?！",e.fillInStackTrace());
        }
           return null;
    }

ctx.getZuulRequestHeaders().put("dasAccountInfo", JSON.toJSONString(disablePropertyName()));