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代码取自一位好友，好友写的demo

package com.adapter.mcs.server.controller;import org.springframework.http.ResponseCookie;import org.springframework.http.server.reactive.ServerHttpRequest;import org.springframework.web.bind.annotation.*;import org.springframework.web.server.ServerWebExchange;import reactor.core.publisher.Mono;@RestControllerpublic class TestController {
       @GetMapping(path = "/testServletHttpRequest")    public Mono
   
     testServletHttpRequest(ServerHttpRequest serverHttpRequest, ServerWebExchange exchange) {
           /**收到cookie参数*/        System.out.println("====收到的Cookies: " + serverHttpRequest.getCookies());        /**调用serveice进行处理*/        /**修改cookies并返回*/        ResponseCookie responseCookie = ResponseCookie.from("userId", "modify_value1").build();        exchange.getResponse().addCookie(responseCookie);        return Mono.just("response success: ");    }    @GetMapping(path = "/testRequestParam/{pathValue}")    public Mono
    
      testRequestParam(@PathVariable(name = "pathValue") String pathValue,                                         @RequestHeader("header_key1") String header_key1,                                         @CookieValue("userId") String userId,                                         ServerWebExchange exchange) {
           /**收到param参数*/        System.out.println("====收到的pathValue: " + pathValue + " header_key1: " + header_key1 +" userId: " + userId);        /**调用serveice进行处理*/        /**修改cookies并返回*/        ResponseCookie responseCookie = ResponseCookie.from("userId", "modify_value2").build();        exchange.getResponse().addCookie(responseCookie);        return Mono.just("response success: ");    }    @PostMapping(path = "/testRequestBody")    public Mono
     
       testRequestBody(String testBody, ServerHttpRequest serverHttpRequest,                                        ServerWebExchange exchange) {
           /**收到参数*/        System.out.println("====收到的testBody: " + testBody + " serverHttpRequest: " + serverHttpRequest.getHeaders() +" cookies: " + serverHttpRequest.getCookies());        /**调用serveice进行处理*/        /**修改cookies并返回*/        ResponseCookie responseCookie = ResponseCookie.from("userId", "modify_value3").build();        exchange.getResponse().addCookie(responseCookie);        return Mono.just("response success: ");    }}
     
    
   

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