1.         <dependency>
    2.             <groupId>org.springframework.boot</groupId>
    3.             <artifactId>spring-boot-starter-web</artifactId>
    4.         </dependency>
    1. package com.example.controller;
    3. import org.springframework.beans.factory.annotation.Autowired;
    4. import org.springframework.data.redis.core.StringRedisTemplate;
    5. import org.springframework.web.bind.annotation.*;
    7. @RestController
    8. public class TestController {
    10.     @Autowired
    11.     StringRedisTemplate redisTemplate;
    14.     @RequestMapping(value = "/index",method = RequestMethod.GET)
    15.     public String index() {
    16.         redisTemplate.opsForValue().increment("count",1L);
    17.         String value = redisTemplate.opsForValue().get("count");
    18.         return "当前网站的访问人数为：" +value;
    19.     }
    20. }