zhibing.pu
2024-08-19 b9522d131e168a92c88f23e2c0a3a2df079926b4
ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
@@ -2,6 +2,7 @@
import java.util.Collections;
import java.util.List;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.OrderedGatewayFilter;
@@ -14,74 +15,61 @@
/**
 * 获取body请求数据(解决流不能重复读取问题)
 *
 *
 * @author ruoyi
 */
@Component
public class CacheRequestFilter extends AbstractGatewayFilterFactory<CacheRequestFilter.Config>
{
    public CacheRequestFilter()
    {
        super(Config.class);
    }
    @Override
    public String name()
    {
        return "CacheRequestFilter";
    }
    @Override
    public GatewayFilter apply(Config config)
    {
        CacheRequestGatewayFilter cacheRequestGatewayFilter = new CacheRequestGatewayFilter();
        Integer order = config.getOrder();
        if (order == null)
        {
            return cacheRequestGatewayFilter;
        }
        return new OrderedGatewayFilter(cacheRequestGatewayFilter, order);
    }
    public static class CacheRequestGatewayFilter implements GatewayFilter
    {
        @Override
        public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain)
        {
            // GET DELETE 不过滤
            HttpMethod method = exchange.getRequest().getMethod();
            if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE)
            {
                return chain.filter(exchange);
            }
            return ServerWebExchangeUtils.cacheRequestBodyAndRequest(exchange, (serverHttpRequest) -> {
                if (serverHttpRequest == exchange.getRequest())
                {
                    return chain.filter(exchange);
                }
                return chain.filter(exchange.mutate().request(serverHttpRequest).build());
            });
        }
    }
    @Override
    public List<String> shortcutFieldOrder()
    {
        return Collections.singletonList("order");
    }
    static class Config
    {
        private Integer order;
        public Integer getOrder()
        {
            return order;
        }
        public void setOrder(Integer order)
        {
            this.order = order;
        }
    }
public class CacheRequestFilter extends AbstractGatewayFilterFactory<CacheRequestFilter.Config> {
   public CacheRequestFilter() {
      super(Config.class);
   }
   @Override
   public String name() {
      return "CacheRequestFilter";
   }
   @Override
   public GatewayFilter apply(Config config) {
      CacheRequestGatewayFilter cacheRequestGatewayFilter = new CacheRequestGatewayFilter();
      Integer order = config.getOrder();
      if (order == null) {
         return cacheRequestGatewayFilter;
      }
      return new OrderedGatewayFilter(cacheRequestGatewayFilter, order);
   }
   @Override
   public List<String> shortcutFieldOrder() {
      return Collections.singletonList("order");
   }
   public static class CacheRequestGatewayFilter implements GatewayFilter {
      @Override
      public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
         // GET DELETE 不过滤
         HttpMethod method = exchange.getRequest().getMethod();
         if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE) {
            return chain.filter(exchange);
         }
         return ServerWebExchangeUtils.cacheRequestBodyAndRequest(exchange, (serverHttpRequest) -> {
            if (serverHttpRequest == exchange.getRequest()) {
               return chain.filter(exchange);
            }
            return chain.filter(exchange.mutate().request(serverHttpRequest).build());
         });
      }
   }
   static class Config {
      private Integer order;
      public Integer getOrder() {
         return order;
      }
      public void setOrder(Integer order) {
         this.order = order;
      }
   }
}