VIPJAVA/springcloud-demo/eureka-client-supplier-demo/src/main/java/com/sf/eurekaclientdemo2/controller/HeaderController.java

package com.sf.eurekaclientdemo2.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HeaderController {

    /**
     * @param token
     * @return
     * @RequestHeader 可以直接从请求头中拿到对应key的值 注入到参数中
     */
    @GetMapping("/token")
    public String token(@RequestHeader("token") String token) {
        System.out.println("handler token: " + token);
        return "Token Success";
    }
}