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【Redis】——实战（11）_redis.pool.testonborrow = true redis.pool.testonre

作者：盐析白兔 | 2024-02-28 16:14:39

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redis.pool.testonborrow = true redis.pool.testonreturn = true

一、资源下载

官网地址(Windows)：https://github.com/dmajkic/redis/downloads

官网地址(Linux)：https://redis.io/

二、安装

安装教程：http://www.runoob.com/redis/redis-install.html

三、运用

本人使用的是spring集成redis，下面说下步骤

第一步：导入相关依赖

  1. <!--jackson版本号-->
  2. <properties> 
  3.     <jackson.version>2.7.1</jackson.version>
  4.   </properties> 
  5. <!-- 映入JSON -->
  6.     <dependency>
  7.       <groupId>com.fasterxml.jackson.core</groupId>
  8.       <artifactId>jackson-core</artifactId>
  9.       <version>${jackson.version}</version>
  10.     </dependency>
  11.     <dependency>
  12.       <groupId>com.fasterxml.jackson.core</groupId>
  13.       <artifactId>jackson-databind</artifactId>
  14.       <version>${jackson.version}</version>
  15.     </dependency>
  16.     <dependency>
  17.       <groupId>com.fasterxml.jackson.core</groupId>
  18.       <artifactId>jackson-annotations</artifactId>
  19.       <version>${jackson.version}</version>
  20.     </dependency>
  21.  
  22.     <!-- redis依赖 -->
  23.     <dependency>
  24.       <groupId>org.springframework.data</groupId>
  25.       <artifactId>spring-data-redis</artifactId>
  26.       <version>1.8.6.RELEASE</version>
  27.     </dependency>
  28.     <dependency>
  29.       <groupId>redis.clients</groupId>
  30.       <artifactId>jedis</artifactId>
  31.       <version>2.9.0</version>
  32.     </dependency>

第二步：相关配置文件

redis.properties

  1. redis.host=192.***.*.**2
  2. redis.port=6379
  3. redis.pwd=123456
  4. redis.database=0
  5. redis.timeout=1000
  6. redis.userPool=true
  7. redis.pool.maxIdle=100
  8. redis.pool.minIdle=10
  9. redis.pool.maxTotal=200
  10. redis.pool.maxWaitMillis=10000
  11. redis.pool.minEvictableIdleTimeMillis=300000
  12. redis.pool.numTestsPerEvictionRun=10
  13. redis.pool.timeBetweenEvictionRunsMillis=30000
  14. redis.pool.testOnBorrow=true
  15. redis.pool.testOnReturn=true
  16. redis.pool.testWhileIdle=true

spring-redis.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:context="http://www.springframework.org/schema/context"
  4.        xmlns:redis="http://www.springframework.org/schema/redis" xmlns:cache="http://www.springframework.org/schema/cache"
  5.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  6.        xsi:schemaLocation="
  7.     http://www.springframework.org/schema/beans
  8.     http://www.springframework.org/schema/beans/spring-beans.xsd
  9.     http://www.springframework.org/schema/context
  10.     http://www.springframework.org/schema/context/spring-context.xsd
  11.         http://www.springframework.org/schema/aop
  12.     http://www.springframework.org/schema/aop/spring-aop.xsd
  13.     http://www.springframework.org/schema/redis
  14.     http://www.springframework.org/schema/redis/spring-redis.xsd
  15.     http://www.springframework.org/schema/cache
  16.     http://www.springframework.org/schema/cache/spring-cache.xsd
  17.     ">
  18.     <context:property-placeholder order="1" location="classpath:redis.properties" ignore-unresolvable="true"/>
  19.     <!-- Redis -->
  20.     <!-- 连接池参数 -->
  21.     <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
  22.         <property name="maxIdle" value="${redis.pool.maxIdle}" />
  23.         <property name="minIdle" value="${redis.pool.minIdle}" />
  24.         <property name="maxTotal" value="${redis.pool.maxTotal}" />
  25.         <property name="maxWaitMillis" value="${redis.pool.maxWaitMillis}" />
  26.         <property name="minEvictableIdleTimeMillis" value="${redis.pool.minEvictableIdleTimeMillis}"/>
  27.         <property name="numTestsPerEvictionRun" value="${redis.pool.numTestsPerEvictionRun}"/>
  28.         <property name="timeBetweenEvictionRunsMillis" value="${redis.pool.timeBetweenEvictionRunsMillis}"/>
  29.         <property name="testOnBorrow" value="${redis.pool.testOnBorrow}" />
  30.         <property name="testOnReturn" value="${redis.pool.testOnReturn}" />
  31.         <property name="testWhileIdle" value="${redis.pool.testWhileIdle}"/>
  32.     </bean>
  33.  
  34.     <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
  35.         <property name="poolConfig" ref="jedisPoolConfig" />
  36.         <property name="hostName" value="${redis.host}" />
  37.         <property name="port" value="${redis.port}" />
  38.         <property name="password" value="${redis.pwd}" />
  39.         <property name="usePool" value="${redis.userPool}" />
  40.         <property name="database" value="${redis.database}" />
  41.         <property name="timeout" value="${redis.timeout}" />
  42.     </bean>
  43.  
  44.     <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
  45.         <property name="connectionFactory" ref="jedisConnectionFactory" />
  46.  
  47.         <!-- 序列化方式 建议key/hashKey采用StringRedisSerializer -->
  48.         <property name="keySerializer">
  49.             <bean
  50.                     class="org.springframework.data.redis.serializer.StringRedisSerializer" />
  51.         </property>
  52.         <property name="valueSerializer">
  53.             <bean
  54.                     class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
  55.         </property>
  56.         <property name="hashKeySerializer">
  57.             <bean
  58.                     class="org.springframework.data.redis.serializer.StringRedisSerializer" />
  59.         </property>
  60.         <property name="hashValueSerializer">
  61.             <bean
  62.                     class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
  63.         </property>
  64.         <!-- 开启REIDS事务支持 -->
  65.         <property name="enableTransactionSupport" value="false" />
  66.     </bean>
  67.  
  68.     <!-- 对string操作的封装 -->
  69.     <bean id="stringRedisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
  70.         <constructor-arg ref="jedisConnectionFactory" />
  71.         <!-- 开启REIDS事务支持 -->
  72.         <property name="enableTransactionSupport" value="false" />
  73.     </bean>
  74.  
  75. </beans>

第三步：编写工具类

CacheUtil

  1. package com.huyue.common.util;
  2.  
  3. import org.slf4j.Logger;
  4. import org.slf4j.LoggerFactory;
  5. import org.springframework.data.redis.core.RedisTemplate;
  6. import org.springframework.data.redis.core.StringRedisTemplate;
  7.  
  8. import java.util.*;
  9. import java.util.concurrent.TimeUnit;
  10.  
  11.  
  12. /**
  13.  * redis工具类
  14.  *
  15.  * @author 2019/3/24 23:10
  16.  */
  17. public class CacheUtil {
  18.     private static final Logger log = LoggerFactory.getLogger(CacheUtil.class);
  19.     private static RedisTemplate<String, Object> redisTemplate = CacheContextUtil.getBean("redisTemplate", RedisTemplate.class);
  20.     private static StringRedisTemplate stringRedisTemplate = CacheContextUtil.getBean("stringRedisTemplate", StringRedisTemplate.class);
  21.     private static String CACHE_PROFIX;
  22.     private static boolean CACHE_CLOSED;
  23.  
  24.     public CacheUtil() {
  25.     }
  26.  
  27.     private static boolean isEmpty(Object object) {
  28.         if (object == null) {
  29.             return true;
  30.         }
  31.         if (object instanceof String) {
  32.             String string = object.toString();
  33.             if ("".equals(string.trim())) {
  34.                 return true;
  35.             }
  36.             return false;
  37.         }
  38.         if (object instanceof List) {
  39.             List<Object> list = (List<Object>) object;
  40.             if (list.isEmpty()) {
  41.                 return true;
  42.             }
  43.             return false;
  44.         }
  45.         if (object instanceof Map) {
  46.             Map map = (Map) object;
  47.             if (map.isEmpty()) {
  48.                 return true;
  49.             }
  50.             return false;
  51.         }
  52.         if (object instanceof Set) {
  53.             Set set = (Set) object;
  54.             if (set.isEmpty()) {
  55.                 return true;
  56.             }
  57.             return false;
  58.         }
  59.         if (object instanceof Object[]) {
  60.             Object[] objects = (Object[]) object;
  61.             if (objects.length <= 0) {
  62.                 return true;
  63.             }
  64.             return false;
  65.         }
  66.         return false;
  67.     }
  68.  
  69.     /**
  70.      * 构建缓存key
  71.      *
  72.      * @param key
  73.      * @return
  74.      */
  75.     private static String buildKey(String key) {
  76.         if (CACHE_PROFIX == null || "".equals(CACHE_PROFIX)) {
  77.             return key;
  78.         }
  79.         return CACHE_PROFIX + ":" + key;
  80.     }
  81.  
  82.     /**
  83.      * 返回缓存前缀
  84.      *
  85.      * @return
  86.      */
  87.     public static String getCacheProfix() {
  88.         return CACHE_PROFIX;
  89.     }
  90.  
  91.     /**
  92.      * 设置缓存前缀
  93.      *
  94.      * @param cacheProfix
  95.      */
  96.     public static void setCacheProfix(String cacheProfix) {
  97.         if (cacheProfix != null && !"".equals(cacheProfix.trim())) {
  98.             CACHE_PROFIX = cacheProfix.trim();
  99.         }
  100.     }
  101.  
  102.     /**
  103.      * 关闭缓存
  104.      *
  105.      * @return
  106.      */
  107.     public static boolean close() {
  108.         log.info("=====cache closed=====");
  109.         CACHE_CLOSED = true;
  110.         return true;
  111.     }
  112.  
  113.     /**
  114.      * 打开缓存
  115.      *
  116.      * @return
  117.      */
  118.     public static boolean open() {
  119.         log.info("=====cache open=====");
  120.         CACHE_CLOSED = false;
  121.         return true;
  122.     }
  123.  
  124.     /**
  125.      * 检查缓存是否开启
  126.      *
  127.      * @return
  128.      */
  129.     public static boolean isClose() {
  130.         return CACHE_CLOSED;
  131.     }
  132.  
  133.     /**
  134.      * 判断key值是否存在
  135.      *
  136.      * @param key
  137.      * @return
  138.      */
  139.     public static boolean hasKey(String key) {
  140.         log.info(" haskey key:" + key);
  141.         try {
  142.             if (isClose() || isEmpty(key)) {
  143.                 return false;
  144.             }
  145.             return redisTemplate.hasKey(buildKey(key));
  146.         } catch (Exception e) {
  147.             log.error(e.getMessage(), e);
  148.         }
  149.         return false;
  150.     }
  151.  
  152.     /**
  153.      * 匹配符合正则的key
  154.      *
  155.      * @param patterKey
  156.      * @return
  157.      */
  158.     public static Set<String> keys(String patterKey) {
  159.         log.info("keys key:" + patterKey);
  160.         try {
  161.             if (isClose() || isEmpty(patterKey)) {
  162.                 return Collections.emptySet();
  163.             }
  164.             return redisTemplate.keys(patterKey);
  165.         } catch (Exception e) {
  166.             log.error(e.getMessage(), e);
  167.         }
  168.         return Collections.emptySet();
  169.     }
  170.  
  171.     /**
  172.      * 根据key删除缓存
  173.      *
  174.      * @param key
  175.      * @return
  176.      */
  177.     public static boolean delete(String... key) {
  178.         log.info("delete key:" + key.toString());
  179.         try {
  180.             if (isClose() || isEmpty(key)) {
  181.                 return false;
  182.             }
  183.             Set<String> keySet = new HashSet<String>();
  184.             for (String str : key) {
  185.                 keySet.add(buildKey(str));
  186.             }
  187.             redisTemplate.delete(keySet);
  188.             return true;
  189.         } catch (Exception e) {
  190.             log.error(e.getMessage(), e);
  191.         }
  192.         return false;
  193.     }
  194.  
  195.     /**
  196.      * 根据key删除缓存
  197.      *
  198.      * @param key
  199.      * @return
  200.      */
  201.     public static boolean delete(String key) {
  202.         log.info("delete key:" + key);
  203.         try {
  204.             if (isClose() || isEmpty(key)) {
  205.                 return false;
  206.             }
  207.             redisTemplate.delete(redisTemplate.keys(buildKey(key)));
  208.             return true;
  209.         } catch (Exception e) {
  210.             log.error(e.getMessage(), e);
  211.         }
  212.         return false;
  213.     }
  214.  
  215.     /**
  216.      * 删除一组key值
  217.      *
  218.      * @param keys
  219.      * @return
  220.      */
  221.     public static boolean delete(Set<String> keys) {
  222.         log.info("delete key:" + keys.toString());
  223.         try {
  224.             if (isClose() || isEmpty(keys)) {
  225.                 return false;
  226.             }
  227.             Set<String> keySet = new HashSet<String>();
  228.             for (String str : keys) {
  229.                 keySet.add(buildKey(str));
  230.             }
  231.             redisTemplate.delete(keySet);
  232.             return true;
  233.         } catch (Exception e) {
  234.             log.error(e.getMessage(), e);
  235.         }
  236.         return false;
  237.     }
  238.  
  239.     /**
  240.      * 设置过期时间
  241.      *
  242.      * @param key
  243.      * @param seconds
  244.      * @return
  245.      */
  246.     public static boolean setExp(String key, long seconds) {
  247.         log.info("setExp key:" + key + " seconds:" + seconds);
  248.         try {
  249.             if (isClose() || isEmpty(key) || seconds <= 0) {
  250.                 return false;
  251.             }
  252.             return redisTemplate.expire(buildKey(key), seconds, TimeUnit.SECONDS);
  253.         } catch (Exception e) {
  254.             log.error(e.getMessage(), e);
  255.         }
  256.         return false;
  257.     }
  258.  
  259.     /**
  260.      * 查询过期时间
  261.      *
  262.      * @param key
  263.      * @return
  264.      */
  265.     public static Long getExpire(String key) {
  266.         log.info(" getExpire key:" + key);
  267.         try {
  268.             if (isClose() || isEmpty(key)) {
  269.                 return 0L;
  270.             }
  271.             return redisTemplate.getExpire(buildKey(key), TimeUnit.SECONDS);
  272.         } catch (Exception e) {
  273.             log.info(e.getMessage(), e);
  274.         }
  275.         return 0L;
  276.     }
  277.  
  278.     /**
  279.      * 缓存存入key—value
  280.      *
  281.      * @param key
  282.      * @param value
  283.      * @return
  284.      */
  285.     public static boolean setString(String key, String value) {
  286.         log.info("setString key:" + key + " value:" + value);
  287.         try {
  288.             if (isClose() || isEmpty(key) || isEmpty(value)) {
  289.                 return false;
  290.             }
  291.             stringRedisTemplate.opsForValue().set(key, value);
  292.             return true;
  293.         } catch (Exception e) {
  294.             log.error(e.getMessage(), e);
  295.         }
  296.         return false;
  297.     }
  298.  
  299.     /**
  300.      * 缓存存入key—value
  301.      *
  302.      * @param key
  303.      * @param value
  304.      * @param seconds
  305.      * @return
  306.      */
  307.     public static boolean setString(String key, String value, long seconds) {
  308.         log.info("setString key:" + key + " value:" + value + " seconds:" + seconds);
  309.         try {
  310.             if (isClose() || isEmpty(key) || isEmpty(value)) {
  311.                 return false;
  312.             }
  313.             stringRedisTemplate.opsForValue().set(key, value, seconds);
  314.             return true;
  315.         } catch (Exception e) {
  316.             log.error(e.getMessage(), e);
  317.         }
  318.         return false;
  319.     }
  320.  
  321.     /**
  322.      * 根据key取出String value
  323.      *
  324.      * @param key
  325.      * @return
  326.      */
  327.     public static String getString(String key) {
  328.         log.info("getString key:" + key);
  329.         try {
  330.             if (isClose() || isEmpty(key)) {
  331.                 return null;
  332.             }
  333.             return stringRedisTemplate.opsForValue().get(key);
  334.         } catch (Exception e) {
  335.             log.error(e.getMessage(), e);
  336.         }
  337.         return null;
  338.     }
  339.  
  340.     /**
  341.      * 去的缓存中的最大值并+1
  342.      *
  343.      * @param key 缓存key值
  344.      * @return long    缓存中的最大值+1
  345.      */
  346.     public static long incr(String key) {
  347.         log.debug(" incr key :{}", key);
  348.         try {
  349.             if (isClose() || isEmpty(key)) {
  350.                 return 0;
  351.             }
  352.             key = buildKey(key);
  353.             return redisTemplate.opsForValue().increment(key, 1);
  354.         } catch (Exception e) {
  355.             log.error(e.getMessage(), e);
  356.         }
  357.         return 0;
  358.     }
  359.  
  360.     /**
  361.      * 缓存中存入序列化的Object对象
  362.      *
  363.      * @param key 缓存key
  364.      * @param obj 存入的序列化对象
  365.      * @return true:成功 false:失败
  366.      */
  367.     public static boolean set(String key, Object obj) {
  368.         log.debug(" set key :{}, value:{}", key, obj);
  369.         try {
  370.             if (isClose() || isEmpty(key) || isEmpty(obj)) {
  371.                 return false;
  372.             }
  373.             key = buildKey(key);
  374.             redisTemplate.opsForValue().set(key, obj);
  375.         } catch (Exception e) {
  376.             log.error(e.getMessage(), e);
  377.         }
  378.         return false;
  379.     }
  380.  
  381.     /**
  382.      * 缓存中存入序列化的Object对象
  383.      *
  384.      * @param key 缓存key
  385.      * @param obj 存入的序列化对象
  386.      * @return true:成功 false:失败
  387.      */
  388.     public static boolean setObj(String key, Object obj, long seconds) {
  389.         log.debug(" set key :{}, value:{}, seconds:{}", key, obj, seconds);
  390.         try {
  391.             if (isClose() || isEmpty(key) || isEmpty(obj)) {
  392.                 return false;
  393.             }
  394.             key = buildKey(key);
  395.             redisTemplate.opsForValue().set(key, obj);
  396.             if (seconds > 0) {
  397.                 redisTemplate.expire(key, seconds, TimeUnit.SECONDS);
  398.             }
  399.             return true;
  400.         } catch (Exception e) {
  401.             log.error(e.getMessage(), e);
  402.         }
  403.         return false;
  404.     }
  405.  
  406.     /**
  407.      * 取出缓存中存储的序列化对象
  408.      *
  409.      * @param key   缓存key
  410.      * @param clazz 对象类
  411.      * @return <T>	序列化对象
  412.      */
  413.     public static <T> T getObj(String key, Class<T> clazz) {
  414.         log.debug(" get key :{}", key);
  415.         try {
  416.             if (isClose() || isEmpty(key)) {
  417.                 return null;
  418.             }
  419.             key = buildKey(key);
  420.             return (T) redisTemplate.opsForValue().get(key);
  421.         } catch (Exception e) {
  422.             log.error(e.getMessage(), e);
  423.         }
  424.         return null;
  425.     }
  426.  
  427.     /**
  428.      * 存入Map数组
  429.      *
  430.      * @param <T>
  431.      * @param key 缓存key
  432.      * @param map 缓存map
  433.      * @return true:成功 false:失败
  434.      */
  435.     public static <T> boolean setMap(String key, Map<String, T> map) {
  436.         try {
  437.             if (isClose() || isEmpty(key) || isEmpty(map)) {
  438.                 return false;
  439.             }
  440.             key = buildKey(key);
  441.             redisTemplate.opsForHash().putAll(key, map);
  442.             return true;
  443.         } catch (Exception e) {
  444.             log.error(e.getMessage(), e);
  445.         }
  446.         return false;
  447.     }
  448.  
  449.     /**
  450.      * 取出缓存的map
  451.      *
  452.      * @param key 缓存key
  453.      * @return map    缓存的map
  454.      */
  455.     @SuppressWarnings("rawtypes")
  456.     public static Map getMap(String key) {
  457.         log.debug(" getMap key :{}", key);
  458.         try {
  459.             if (isClose() || isEmpty(key)) {
  460.                 return null;
  461.             }
  462.             key = buildKey(key);
  463.             return redisTemplate.opsForHash().entries(key);
  464.         } catch (Exception e) {
  465.             log.error(e.getMessage(), e);
  466.         }
  467.         return null;
  468.     }
  469.  
  470.     /**
  471.      * 查询缓存的map的集合大小
  472.      *
  473.      * @param key 缓存key
  474.      * @return int    缓存map的集合大小
  475.      */
  476.     public static long getMapSize(String key) {
  477.         log.debug(" getMap key :{}", key);
  478.         try {
  479.             if (isClose() || isEmpty(key)) {
  480.                 return 0;
  481.             }
  482.             key = buildKey(key);
  483.             return redisTemplate.opsForHash().size(key);
  484.         } catch (Exception e) {
  485.             log.error(e.getMessage(), e);
  486.         }
  487.         return 0;
  488.     }
  489.  
  490.  
  491.     /**
  492.      * 根据key以及hashKey取出对应的Object对象
  493.      *
  494.      * @param key     缓存key
  495.      * @param hashKey 对应map的key
  496.      * @return object    map中的对象
  497.      */
  498.     public static Object getMapKey(String key, String hashKey) {
  499.         log.debug(" getMapkey :{}, hashKey:{}", key, hashKey);
  500.         try {
  501.             if (isClose() || isEmpty(key) || isEmpty(hashKey)) {
  502.                 return null;
  503.             }
  504.             key = buildKey(key);
  505.             return redisTemplate.opsForHash().get(key, hashKey);
  506.         } catch (Exception e) {
  507.             log.error(e.getMessage(), e);
  508.         }
  509.         return null;
  510.     }
  511.  
  512.     /**
  513.      * 取出缓存中map的所有key值
  514.      *
  515.      * @param key 缓存key
  516.      * @return Set<String> map的key值合集
  517.      */
  518.     public static Set<Object> getMapKeys(String key) {
  519.         log.debug(" getMapKeys key :{}", key);
  520.         try {
  521.             if (isClose() || isEmpty(key)) {
  522.                 return null;
  523.             }
  524.             key = buildKey(key);
  525.             return redisTemplate.opsForHash().keys(key);
  526.         } catch (Exception e) {
  527.             log.error(e.getMessage(), e);
  528.         }
  529.         return null;
  530.     }
  531.  
  532.     /**
  533.      * 删除map中指定的key值
  534.      *
  535.      * @param key     缓存key
  536.      * @param hashKey map中指定的hashKey
  537.      * @return true:成功 false:失败
  538.      */
  539.     public static boolean delMapKey(String key, String hashKey) {
  540.         log.debug(" delMapKey key :{}, hashKey:{}", key, hashKey);
  541.         try {
  542.             if (isClose() || isEmpty(key) || isEmpty(hashKey)) {
  543.                 return false;
  544.             }
  545.             key = buildKey(key);
  546.             redisTemplate.opsForHash().delete(key, hashKey);
  547.             return true;
  548.         } catch (Exception e) {
  549.             log.error(e.getMessage(), e);
  550.         }
  551.         return false;
  552.     }
  553.  
  554.     /**
  555.      * 存入Map数组
  556.      *
  557.      * @param <T>
  558.      * @param key     缓存key
  559.      * @param map     缓存map
  560.      * @param seconds 秒数
  561.      * @return true:成功 false:失败
  562.      */
  563.     public static <T> boolean setMapExp(String key, Map<String, T> map, long seconds) {
  564.         log.debug(" setMapExp key :{}, value: {}, seconds:{}", key, map, seconds);
  565.         try {
  566.             if (isClose() || isEmpty(key) || isEmpty(map)) {
  567.                 return false;
  568.             }
  569.             key = buildKey(key);
  570.             redisTemplate.opsForHash().putAll(key, map);
  571.             redisTemplate.expire(key, seconds, TimeUnit.SECONDS);
  572.             return true;
  573.         } catch (Exception e) {
  574.             log.error(e.getMessage(), e);
  575.         }
  576.         return false;
  577.     }
  578.  
  579.     /**
  580.      * map中加入新的key
  581.      *
  582.      * @param <T>
  583.      * @param key     缓存key
  584.      * @param hashKey map的Key值
  585.      * @param value   map的value值
  586.      * @return true:成功 false:失败
  587.      */
  588.     public static <T> boolean addMap(String key, String hashKey, T value) {
  589.         log.debug(" addMap key :{}, hashKey: {}, value:{}", key, hashKey, value);
  590.         try {
  591.             if (isClose() || isEmpty(key) || isEmpty(hashKey) || isEmpty(value)) {
  592.                 return false;
  593.             }
  594.             key = buildKey(key);
  595.             redisTemplate.opsForHash().put(key, hashKey, value);
  596.             return true;
  597.         } catch (Exception e) {
  598.             log.error(e.getMessage(), e);
  599.         }
  600.         return false;
  601.     }
  602.  
  603.     /**
  604.      * 缓存存入List
  605.      *
  606.      * @param <T>
  607.      * @param key  缓存key
  608.      * @param list 缓存List
  609.      * @return true:成功 false:失败
  610.      */
  611.     public static <T> boolean setList(String key, List<T> list) {
  612.         log.debug(" setList key :{}, list: {}", key, list);
  613.         try {
  614.             if (isClose() || isEmpty(key) || isEmpty(list)) {
  615.                 return false;
  616.             }
  617.             key = buildKey(key);
  618.             redisTemplate.opsForList().leftPushAll(key, list.toArray());
  619.         } catch (Exception e) {
  620.             log.error(e.getMessage(), e);
  621.         }
  622.         return false;
  623.     }
  624.  
  625.     /**
  626.      * 根据key值取出对应的list合集
  627.      *
  628.      * @param key 缓存key
  629.      * @return List<Object> 缓存中对应的list合集
  630.      */
  631.     public static <V> List<V> getList(String key) {
  632.         log.debug(" getList key :{}", key);
  633.         try {
  634.             if (isClose() || isEmpty(key)) {
  635.                 return null;
  636.             }
  637.             key = buildKey(key);
  638.             return (List<V>) redisTemplate.opsForList().range(key, 0, -1);
  639.         } catch (Exception e) {
  640.             log.error(e.getMessage(), e);
  641.         }
  642.         return null;
  643.     }
  644.  
  645.     /**
  646.      * 根据key值截取对应的list合集
  647.      *
  648.      * @param key   缓存key
  649.      * @param start 开始位置
  650.      * @param end   结束位置
  651.      * @return
  652.      */
  653.     public static void trimList(String key, int start, int end) {
  654.         log.debug(" trimList key :{}", key);
  655.         try {
  656.             if (isClose() || isEmpty(key)) {
  657.                 return;
  658.             }
  659.             key = buildKey(key);
  660.             redisTemplate.opsForList().trim(key, start, end);
  661.         } catch (Exception e) {
  662.             log.error(e.getMessage(), e);
  663.         }
  664.     }
  665.  
  666.     /**
  667.      * 取出list合集中指定位置的对象
  668.      *
  669.      * @param key   缓存key
  670.      * @param index 索引位置
  671.      * @return Object    list指定索引位置的对象
  672.      */
  673.     public static Object getIndexList(String key, int index) {
  674.         log.debug(" getIndexList key :{}, index:{}", key, index);
  675.         try {
  676.             if (isClose() || isEmpty(key) || index < 0) {
  677.                 return null;
  678.             }
  679.             key = buildKey(key);
  680.             return redisTemplate.opsForList().index(key, index);
  681.         } catch (Exception e) {
  682.             log.error(e.getMessage(), e);
  683.         }
  684.         return null;
  685.     }
  686.  
  687.     /**
  688.      * Object存入List
  689.      *
  690.      * @param key   缓存key
  691.      * @param value List中的值
  692.      * @return true:成功 false:失败
  693.      */
  694.     public static boolean addList(String key, Object value) {
  695.         log.debug(" addList key :{}, value:{}", key, value);
  696.         try {
  697.             if (isClose() || isEmpty(key) || isEmpty(value)) {
  698.                 return false;
  699.             }
  700.             key = buildKey(key);
  701.             redisTemplate.opsForList().leftPush(key, value);
  702.             return true;
  703.         } catch (Exception e) {
  704.             log.error(e.getMessage(), e);
  705.         }
  706.         return false;
  707.     }
  708.  
  709.     /**
  710.      * 缓存存入List
  711.      *
  712.      * @param <T>
  713.      * @param key     缓存key
  714.      * @param list    缓存List
  715.      * @param seconds 秒数
  716.      * @return true:成功 false:失败
  717.      */
  718.     public static <T> boolean setList(String key, List<T> list, long seconds) {
  719.         log.debug(" setList key :{}, value:{}, seconds:{}", key, list, seconds);
  720.         try {
  721.             if (isClose() || isEmpty(key) || isEmpty(list)) {
  722.                 return false;
  723.             }
  724.             key = buildKey(key);
  725.             redisTemplate.opsForList().leftPushAll(key, list.toArray());
  726.             if (seconds > 0) {
  727.                 redisTemplate.expire(key, seconds, TimeUnit.SECONDS);
  728.             }
  729.             return true;
  730.         } catch (Exception e) {
  731.             log.error(e.getMessage(), e);
  732.         }
  733.         return false;
  734.     }
  735.  
  736.     /**
  737.      * set集合存入缓存
  738.      *
  739.      * @param <T>
  740.      * @param key 缓存key
  741.      * @param set 缓存set集合
  742.      * @return true:成功 false:失败
  743.      */
  744.     public static <T> boolean setSet(String key, Set<T> set) {
  745.         log.debug(" setSet key :{}, value:{}", key, set);
  746.         try {
  747.             if (isClose() || isEmpty(key) || isEmpty(set)) {
  748.                 return false;
  749.             }
  750.             key = buildKey(key);
  751.             redisTemplate.opsForSet().add(key, set.toArray());
  752.             return true;
  753.         } catch (Exception e) {
  754.             log.error(e.getMessage(), e);
  755.         }
  756.         return false;
  757.     }
  758.  
  759.     /**
  760.      * set集合中增加value
  761.      *
  762.      * @param key   缓存key
  763.      * @param value 增加的value
  764.      * @return true:成功 false:失败
  765.      */
  766.     public static boolean addSet(String key, Object value) {
  767.         log.debug(" addSet key :{}, value:{}", key, value);
  768.         try {
  769.             if (isClose() || isEmpty(key) || isEmpty(value)) {
  770.                 return false;
  771.             }
  772.             key = buildKey(key);
  773.             redisTemplate.opsForSet().add(key, value);
  774.             return true;
  775.         } catch (Exception e) {
  776.             log.error(e.getMessage(), e);
  777.         }
  778.         return false;
  779.     }
  780.  
  781.     /**
  782.      * set集合存入缓存
  783.      *
  784.      * @param <T>
  785.      * @param key     缓存key
  786.      * @param set     缓存set集合
  787.      * @param seconds 秒数
  788.      * @return true:成功 false:失败
  789.      */
  790.     public static <T> boolean setSet(String key, Set<T> set, long seconds) {
  791.         log.debug(" setSet key :{}, value:{}, seconds:{}", key, set, seconds);
  792.         try {
  793.             if (isClose() || isEmpty(key) || isEmpty(set)) {
  794.                 return false;
  795.             }
  796.             key = buildKey(key);
  797.             redisTemplate.opsForSet().add(key, set.toArray());
  798.             if (seconds > 0) {
  799.                 redisTemplate.expire(key, seconds, TimeUnit.SECONDS);
  800.             }
  801.             return true;
  802.         } catch (Exception e) {
  803.             log.error(e.getMessage(), e);
  804.         }
  805.         return false;
  806.     }
  807.  
  808.     /**
  809.      * 取出缓存中对应的set合集
  810.      *
  811.      * @param <T>
  812.      * @param key 缓存key
  813.      * @return Set<Object> 缓存中的set合集
  814.      */
  815.     public static <T> Set<T> getSet(String key) {
  816.         log.debug(" getSet key :{}", key);
  817.         try {
  818.             if (isClose() || isEmpty(key)) {
  819.                 return null;
  820.             }
  821.             key = buildKey(key);
  822.             return (Set<T>) redisTemplate.opsForSet().members(key);
  823.         } catch (Exception e) {
  824.             log.error(e.getMessage(), e);
  825.         }
  826.         return null;
  827.     }
  828.  
  829.     /**
  830.      * 有序集合存入数值
  831.      *
  832.      * @param key   缓存key
  833.      * @param value 缓存value
  834.      * @param score 评分
  835.      * @return
  836.      */
  837.     public static boolean addZSet(String key, Object value, double score) {
  838.         log.debug(" addZSet key :{},value:{}, score:{}", key, value, score);
  839.         try {
  840.             if (isClose() || isEmpty(key) || isEmpty(value)) {
  841.                 return false;
  842.             }
  843.             key = buildKey(key);
  844.             return redisTemplate.opsForZSet().add(key, value, score);
  845.         } catch (Exception e) {
  846.             log.error(e.getMessage(), e);
  847.         }
  848.         return false;
  849.     }
  850.  
  851.     /**
  852.      * 从有序集合中删除指定值
  853.      *
  854.      * @param key   缓存key
  855.      * @param value 缓存value
  856.      * @return
  857.      */
  858.     public static boolean removeZSet(String key, Object value) {
  859.         log.debug(" removeZSet key :{},value:{}", key, value);
  860.         try {
  861.             if (isClose() || isEmpty(key) || isEmpty(value)) {
  862.                 return false;
  863.             }
  864.             key = buildKey(key);
  865.             redisTemplate.opsForZSet().remove(key, value);
  866.             return true;
  867.         } catch (Exception e) {
  868.             log.error(e.getMessage(), e);
  869.         }
  870.         return false;
  871.     }
  872.  
  873.     /**
  874.      * 从有序集合中删除指定位置的值
  875.      *
  876.      * @param key   缓存key
  877.      * @param start 起始位置
  878.      * @param end   结束为止
  879.      * @return
  880.      */
  881.     public static boolean removeZSet(String key, long start, long end) {
  882.         log.debug(" removeZSet key :{},start:{}, end:{}", key, start, end);
  883.         try {
  884.             if (isClose() || isEmpty(key)) {
  885.                 return false;
  886.             }
  887.             key = buildKey(key);
  888.             redisTemplate.opsForZSet().removeRange(key, start, end);
  889.             return true;
  890.         } catch (Exception e) {
  891.             log.error(e.getMessage(), e);
  892.         }
  893.         return false;
  894.     }
  895.  
  896.     /**
  897.      * 从有序集合中获取指定位置的值
  898.      *
  899.      * @param key   缓存key
  900.      * @param start 起始位置
  901.      * @param end   结束为止
  902.      * @return
  903.      */
  904.     public static <T> Set<T> getZSet(String key, long start, long end) {
  905.         log.debug(" getZSet key :{},start:{}, end:{}", key, start, end);
  906.         try {
  907.             if (isClose() || isEmpty(key)) {
  908.                 return Collections.emptySet();
  909.             }
  910.             key = buildKey(key);
  911.             return (Set<T>) redisTemplate.opsForZSet().range(key, start, end);
  912.         } catch (Exception e) {
  913.             log.error(e.getMessage(), e);
  914.         }
  915.         return Collections.emptySet();
  916.     }
  917.  
  918.  
  919. }

CacheContextUtil

  1. package com.huyue.common.util;
  2.  
  3. import javafx.application.Application;
  4. import org.springframework.beans.BeansException;
  5. import org.springframework.context.ApplicationContext;
  6. import org.springframework.context.ApplicationContextAware;
  7. import org.springframework.stereotype.Component;
  8.  
  9. /**
  10.  * Context工具类
  11.  *
  12.  * @author .com 2019/3/24 23:17
  13.  */
  14. @Component
  15. public class CacheContextUtil implements ApplicationContextAware {
  16.     private static ApplicationContext context;
  17.  
  18.     @SuppressWarnings("AccessStaticViaInstance")
  19.     public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
  20.         this.context = applicationContext;
  21.     }
  22.  
  23.     public static Object getBean(String beanId) {
  24.         return context.getBean(beanId);
  25.     }
  26.  
  27.     public static <T> T getBean(String beanId, Class<T> clazz) {
  28.         return context.getBean(beanId, clazz);
  29.     }
  30. }

第四步：启动spring项目

LoginController

  1. package com.huyue.controller;
  2.  
  3. import com.huyue.bean.User;
  4. import com.huyue.common.util.CacheContextUtil;
  5. import com.huyue.common.util.CacheUtil;
  6. import com.huyue.service.impl.UserServiceImpl;
  7. import com.sun.deploy.net.HttpResponse;
  8. import org.slf4j.Logger;
  9. import org.slf4j.LoggerFactory;
  10. import org.springframework.beans.factory.annotation.Autowired;
  11. import org.springframework.http.HttpRequest;
  12. import org.springframework.stereotype.Controller;
  13. import org.springframework.web.bind.annotation.RequestMapping;
  14. import org.springframework.web.servlet.ModelAndView;
  15.  
  16. import javax.servlet.http.HttpServletRequest;
  17. import javax.servlet.http.HttpServletResponse;
  18.  
  19. /**
  20.  * @author 2019/3/17 15:05
  21.  */
  22. @Controller
  23. @RequestMapping("/login")
  24. public class LoginController {
  25.     private static Logger log = LoggerFactory.getLogger(LoginController.class);
  26.     @Autowired
  27.     private UserServiceImpl userServiceImpl;
  28.  
  29.     @RequestMapping("check")
  30.     public ModelAndView check(HttpServletRequest request,HttpServletResponse response){
  31.         ModelAndView view = new ModelAndView("jsonView");
  32.         System.out.println("开始塞入缓存数据");
  33.         CacheUtil.setString("123","huyue");
  34.         System.out.println(CacheUtil.getString("123"));
  35. //        String username= request.getParameter("username");
  36. //        String password= request.getParameter("password");
  37. //        String superUser = "admin";
  38. //        if (superUser.equals(username)){
  39. //            view.addObject("result",0);
  40. //        }else {
  41. //            view.addObject("result",1);
  42. //            view.addObject("message","登录名不正确");
  43. //        }
  44.         return view;
  45.  
  46.     }
  47. }

打印结果

  1. 开始塞入缓存数据
  2. [com.huyue.common.util.CacheUtil] - setString key:123 value:huyue
  3. [com.huyue.common.util.CacheUtil] - getString key:123
  4. huyue

最后给大家推荐一个IDEA连接redis数据库的插件Iedis，但是是收费的

更多高级用法后续在写，敬请期待

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