From a8be0ccb35828ec333d5a88ff125db53739ba4ae Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Sat, 03 Dec 2022 13:20:48 +0800
Subject: [PATCH] 修复Log注解GET请求记录不到参数问题

---
 ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java |   32 +++++++-------------------------
 1 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
index c06376d..94c6cb5 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
@@ -6,14 +6,10 @@
 import org.springframework.cloud.gateway.filter.GatewayFilterChain;
 import org.springframework.cloud.gateway.filter.OrderedGatewayFilter;
 import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
-import org.springframework.core.io.buffer.DataBuffer;
-import org.springframework.core.io.buffer.DataBufferFactory;
-import org.springframework.core.io.buffer.DataBufferUtils;
+import org.springframework.cloud.gateway.support.ServerWebExchangeUtils;
 import org.springframework.http.HttpMethod;
-import org.springframework.http.server.reactive.ServerHttpRequestDecorator;
 import org.springframework.stereotype.Component;
 import org.springframework.web.server.ServerWebExchange;
-import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
 /**
@@ -54,30 +50,16 @@
         {
             // GET DELETE 不过滤
             HttpMethod method = exchange.getRequest().getMethod();
-            if (method == null || method.matches("GET") || method.matches("DELETE"))
+            if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE)
             {
                 return chain.filter(exchange);
             }
-            return DataBufferUtils.join(exchange.getRequest().getBody()).map(dataBuffer -> {
-                byte[] bytes = new byte[dataBuffer.readableByteCount()];
-                dataBuffer.read(bytes);
-                DataBufferUtils.release(dataBuffer);
-                return bytes;
-            }).defaultIfEmpty(new byte[0]).flatMap(bytes -> {
-                DataBufferFactory dataBufferFactory = exchange.getResponse().bufferFactory();
-                ServerHttpRequestDecorator decorator = new ServerHttpRequestDecorator(exchange.getRequest())
+            return ServerWebExchangeUtils.cacheRequestBodyAndRequest(exchange, (serverHttpRequest) -> {
+                if (serverHttpRequest == exchange.getRequest())
                 {
-                    @Override
-                    public Flux<DataBuffer> getBody()
-                    {
-                        if (bytes.length > 0)
-                        {
-                            return Flux.just(dataBufferFactory.wrap(bytes));
-                        }
-                        return Flux.empty();
-                    }
-                };
-                return chain.filter(exchange.mutate().request(decorator).build());
+                    return chain.filter(exchange);
+                }
+                return chain.filter(exchange.mutate().request(serverHttpRequest).build());
             });
         }
     }

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