SpringBoot 实现Session共享

HttpSession，是通过Servlet容器创建并进行管理的，创建成功以后将会保存在内存中，这里将会使用Redis解决session共享的问题。

添加相关的maven

    4.0.0
    
 org.springframework.boot
 spring-boot-starter-parent
 2.3.1.RELEASE
  
    
    com.example
    demo
    0.0.1-SNAPSHOT
    demo
    Demo project for Spring Boot

    
 1.8
    

    
 
 
     org.springframework.boot
     spring-boot-starter-data-redis
     2.3.1.RELEASE
 
 
 
     io.lettuce
     lettuce-core
     6.0.0.M1
 
 
 
     redis.clients
     jedis
     3.3.0
 
 
 
     org.springframework.session
     spring-session-data-redis
     2.3.0.RELEASE
 
 
     org.springframework.boot
     spring-boot-starter-web
 

 
     org.springframework.boot
     spring-boot-starter-test
     test
     
  
      org.junit.vintage
      junit-vintage-engine
  
     
 
    

    
 
     
  org.springframework.boot
  spring-boot-maven-plugin
     
 
    

spring:
  redis:
    database: 0
    host: 106.53.115.12
    port: 6379
    password: 12345678
    jedis:
      pool:
 max-active: 8
 max-idle: 8
 max-wait: -1ms
 min-idle: 0

package com.example.demo;

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

import javax.servlet.http.HttpSession;

@RestController
public class HelloController {
    @PostMapping("/save")
    public String saveName(String name, HttpSession session){
 session.setAttribute("name", name);
 return "8080";
    }
    
    @GetMapping("/get")
    public String getName(HttpSession httpSession){
 return httpSession.getAttribute("name").toString();
    }
}

mingming@xiaoming-pc:~$ sudo apt-get install nginx

upstream sang.com {
 server 192.168.0.1:8080 weight = 1;
 server 192.168.0.2:8080 weight = 1;
}


server {
 listen  80;
 server_name localhost;
 location / {
  proxy_pass http://sang.com;
  proxy_redirect default;
 }

}