首先引入Redis

<dependency><groupId>redis.clients</groupId><artifactId>jedis</artifactId><version>2.9.0</version></dependency>

?然后寫一個Redis的工具類

package com.sws.platform.config; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig;public class JedisConfig {//Redis服務器IPprivate static String ADDR = "127.0.0.1";//Redis的端口號private static int PORT = 6379;//可用連接實例的最大數目，默認值為8；//如果賦值為-1，則表示不限制；如果pool已經分配了maxActive個jedis實例，則此時pool的狀態為exhausted(耗盡)。private static int MAX_ACTIVE = 10000;//控制一個pool最多有多少個狀態為idle(空閑的)的jedis實例，默認值也是8。private static int MAX_IDLE = 200;//等待可用連接的最大時間，單位毫秒，默認值為-1，表示永不超時。如果超過等待時間，則直接拋出JedisConnectionException；private static int MAX_WAIT = 10000;private static int TIMEOUT = 10000;//在borrow一個jedis實例時，是否提前進行validate操作；如果為true，則得到的jedis實例均是可用的；private static boolean TEST_ON_BORROW = true;private static JedisPool jedisPool = null;/*** 初始化Redis連接池*/static {try {JedisPoolConfig config = new JedisPoolConfig();config.setMaxTotal(MAX_ACTIVE); //整個池最大值config.setMaxIdle(MAX_IDLE);config.setMaxWaitMillis(MAX_WAIT);config.setTestOnBorrow(TEST_ON_BORROW);jedisPool = new JedisPool(config, ADDR, PORT);} catch (Exception e) {e.printStackTrace();}}/*** 獲取Jedis實例* @return*/public synchronized static Jedis getJedis() {try {if (jedisPool != null) {Jedis resource = jedisPool.getResource();return resource;} else {return null;}} catch (Exception e) {e.printStackTrace();return null;}}/*** 釋放jedis資源* @param jedis*/public static void returnResource(final Jedis jedis) {if (jedis != null) {jedisPool.returnResource(jedis);}} }

然后開始保存List<>

public void selectFromAnimalShengList() {List<AnimalTopDTO> toAniaml = newAnimalPursueMapper.selectFromAnimalShengList();Jedis jedis = JedisConfig.getJedis();//將List轉為json字符串String jsonObject = JSONObject.toJSONString(toAniaml);jedis.set("selectToAnimalShengList",jsonObject);JedisConfig.returnResource(jedis);}

?然后取獲取List<>

@PostMapping("/loadData")public Object loadData(){Jedis jedis = JedisConfig.getJedis();String loadData=jedis.get("loadDatacron");List<AnimalPursueDTO> loadDatacron=JSONObject.parseArray(loadData,AnimalPursueDTO.class);System.out.println("redis數據：" +loadDatacron);return loadDatacron;}

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總結

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