upstream backserver {

	ip_hash;

	server localhost:8080;

	server localhost:8081;

}

server {

	listen       80;

	server_name  www.wish.com;

	location / {

		proxy_pass http://backserver;

		index index.html index.htm;

        }

}

   <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.11</version>

            <scope>test</scope>

        </dependency>

        <dependency>

            <!-- spring-boot-starter-web是为我们提供了包括mvc,aop等需要的一些jar -->

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

            <!-- 因为我们已经配置了 parent 中的version 所以这里不需要指定version了 -->

        </dependency>

        <!--spring boot 与redis应用基本环境配置 -->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-redis</artifactId>

        </dependency> <!--spring session 与redis应用基本环境配置,需要开启redis后才可以使用，不然启动Spring boot会报错 -->

        <dependency>

            <groupId>org.springframework.session</groupId>

            <artifactId>spring-session-data-redis</artifactId>

</dependency>

server.port=8081

spring.redis.password=redis

package com.wish.session;

import org.springframework.web.bind.annotation.RequestMapping;

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

import javax.servlet.http.HttpServletRequest;

@RestController

public class SessionController {

    //存放Session值

    @RequestMapping("/setSession")

    public String setSession(HttpServletRequest request){

        System.out.println("123456");

        request.getSession().setAttribute("username","zhangsan");

        return "success";

    }

    //获取Session值

    @RequestMapping("/getSession")

    public String getSession(HttpServletRequest request){

        System.out.println("123456");

        return (String)request.getSession().getAttribute("username");

    }

}