spring clound gateway 读取返回参数乱码

package com.mideazy.pay.gateway.filter;

import cn.hutool.core.util.StrUtil;
import com.google.common.base.Charsets;
import com.mideazy.pay.common.component.constant.CommonConstant;
import com.mideazy.pay.gateway.enums.FilterPerformOrderEnum;
import lombok.extern.slf4j.Slf4j;
import org.reactivestreams.Publisher;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.cloud.gateway.filter.factory.rewrite.CachedBodyOutputMessage;
import org.springframework.cloud.gateway.support.BodyInserterContext;
import org.springframework.cloud.gateway.support.DefaultClientResponse;
import org.springframework.core.Ordered;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferFactory;
import org.springframework.core.io.buffer.DataBufferUtils;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.http.*;
import org.springframework.http.client.reactive.ClientHttpResponse;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.http.server.reactive.ServerHttpResponseDecorator;
import org.springframework.stereotype.Component;
import org.springframework.util.MultiValueMap;
import org.springframework.web.reactive.function.BodyInserter;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.ExchangeStrategies;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

import java.nio.CharBuffer;
import java.nio.charset.StandardCharsets;

/**
 * 加密返回参数
 * @Author chenjunwen
 * @Date 2020/9/29
 */
@Slf4j
@Component
public class GlobalResponseBodyFilter implements GlobalFilter, Ordered {
    public static final String APP_PRI_KEY = "appPriKey";


    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();

        String hxsToken = request.getHeaders().getFirst(CommonConstant.HXS_TOKEN_HEADER_KEY);
        if(StrUtil.isNotBlank(hxsToken)){
            return chain.filter(exchange);
        }

        String appPriKey = (String) exchange.getAttributes().get(APP_PRI_KEY);
        ServerHttpResponse response = exchange.getResponse();
        DataBufferFactory bufferFactory = response.bufferFactory();
        ServerHttpResponseDecorator decorator = new ServerHttpResponseDecorator(response) {
            @Override
            public Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
                if (body instanceof Flux) {
                    Flux<? extends DataBuffer> fluxBody = (Flux<? extends DataBuffer>) body;//Flux.from(body);
                    return super.writeWith(fluxBody.buffer().map(dataBuffers -> {
                        DataBufferFactory dataBufferFactory = new DefaultDataBufferFactory();
                        DataBuffer join = dataBufferFactory.join(dataBuffers);
                        byte[] content = new byte[join.readableByteCount()];
                        join.read(content);
                        // 释放掉内存
                        DataBufferUtils.release(join);
                        String responseData = new String(content, StandardCharsets.UTF_8);
                        log.info("responseData:{}", responseData);
                        return bufferFactory.wrap(content);
                    }));
                }

                return super.writeWith(body);
            }

            @Override
            public HttpHeaders getHeaders() {
                HttpHeaders headers = super.getHeaders();
                headers.setContentType(MediaType.APPLICATION_JSON);
                return headers;
            }
        };
        return chain.filter(exchange.mutate().response(decorator).build());

    }


    @Override
    public int getOrder() {
        //WRITE_RESPONSE_FILTER 之前执行,不然不生效
        return FilterPerformOrderEnum.PERFORM_ORDER_05.getOrder();

    }
}

图片说明

https://blog.csdn.net/zhaolaisheng123/article/details/103491471

你这问题解决了没?我也是配置之后还是乱码

大哥,你这问题解决了没?

有没有解决 我也遇见这个问题了