mirror of
https://github.com/jeecgboot/JeecgBoot.git
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JeecgBoot2.4.3版本发布——企业级低代码平台
This commit is contained in:
zhangdaiscott
@ -4,7 +4,7 @@
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<parent>
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<groupId>org.jeecgframework.boot</groupId>
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<artifactId>jeecg-boot-base</artifactId>
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<version>2.4.2</version>
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<version>2.4.3</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<description>公共模块</description>
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@ -17,6 +17,15 @@
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<artifactId>spring-boot-starter-web</artifactId>
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<optional>true</optional>
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</dependency>
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<!-- Redis -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-redis</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-pool2</artifactId>
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</dependency>
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<!--加载hutool-->
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<dependency>
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<groupId>cn.hutool</groupId>
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@ -0,0 +1,84 @@
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package org.jeecg.common.constant;
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/**
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* @author: huangxutao
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* @date: 2019-06-14
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* @description: 缓存常量
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*/
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public interface CacheConstant {
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/**
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* 字典信息缓存
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*/
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public static final String SYS_DICT_CACHE = "sys:cache:dict";
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/**
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* 表字典信息缓存
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*/
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public static final String SYS_DICT_TABLE_CACHE = "sys:cache:dictTable";
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public static final String SYS_DICT_TABLE_BY_KEYS_CACHE = SYS_DICT_TABLE_CACHE + "ByKeys";
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/**
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* 数据权限配置缓存
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*/
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public static final String SYS_DATA_PERMISSIONS_CACHE = "sys:cache:permission:datarules";
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/**
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* 缓存用户信息
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*/
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public static final String SYS_USERS_CACHE = "sys:cache:user";
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/**
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* 全部部门信息缓存
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*/
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public static final String SYS_DEPARTS_CACHE = "sys:cache:depart:alldata";
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/**
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* 全部部门ids缓存
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*/
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public static final String SYS_DEPART_IDS_CACHE = "sys:cache:depart:allids";
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/**
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* 测试缓存key
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*/
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public static final String TEST_DEMO_CACHE = "test:demo";
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/**
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* 字典信息缓存
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*/
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public static final String SYS_DYNAMICDB_CACHE = "sys:cache:dbconnect:dynamic:";
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/**
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* gateway路由缓存
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*/
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public static final String GATEWAY_ROUTES = "sys:cache:cloud:gateway_routes";
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/**
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* gateway路由 reload key
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*/
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public static final String ROUTE_JVM_RELOAD_TOPIC = "gateway_jvm_route_reload_topic";
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/**
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* TODO 冗余代码 待删除
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*插件商城排行榜
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*/
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public static final String PLUGIN_MALL_RANKING = "pluginMall::rankingList";
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/**
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* TODO 冗余代码 待删除
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*插件商城排行榜
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*/
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public static final String PLUGIN_MALL_PAGE_LIST = "pluginMall::queryPageList";
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/**
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* online列表页配置信息缓存key
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*/
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public static final String ONLINE_LIST = "sys:cache:online:list";
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/**
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* online表单页配置信息缓存key
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*/
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public static final String ONLINE_FORM = "sys:cache:online:form";
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}
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@ -0,0 +1,32 @@
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package org.jeecg.common.modules.redis.client;
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import org.jeecg.common.base.BaseMap;
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import org.jeecg.common.constant.GlobalConstants;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.redis.core.RedisTemplate;
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import javax.annotation.Resource;
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/**
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* redis客户端
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*/
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@Configuration
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public class JeecgRedisClient {
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@Resource
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private RedisTemplate<String, Object> redisTemplate;
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/**
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* 发送消息
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*
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* @param handlerName
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* @param params
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*/
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public void sendMessage(String handlerName, BaseMap params) {
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params.put(GlobalConstants.HANDLER_NAME, handlerName);
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redisTemplate.convertAndSend(GlobalConstants.REDIS_TOPIC_NAME, params);
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}
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}
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@ -0,0 +1,154 @@
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package org.jeecg.common.modules.redis.config;
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import com.fasterxml.jackson.annotation.JsonAutoDetect;
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import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
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import com.fasterxml.jackson.annotation.PropertyAccessor;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.ObjectMapper.DefaultTyping;
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import lombok.extern.slf4j.Slf4j;
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import org.jeecg.common.constant.CacheConstant;
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import org.jeecg.common.constant.GlobalConstants;
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import org.jeecg.common.modules.redis.receiver.RedisReceiver;
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import org.jeecg.common.modules.redis.writer.JeecgRedisCacheWriter;
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import org.springframework.cache.CacheManager;
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import org.springframework.cache.annotation.CachingConfigurerSupport;
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import org.springframework.cache.annotation.EnableCaching;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.redis.cache.RedisCacheConfiguration;
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import org.springframework.data.redis.cache.RedisCacheManager;
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import org.springframework.data.redis.cache.RedisCacheWriter;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.listener.ChannelTopic;
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import org.springframework.data.redis.listener.RedisMessageListenerContainer;
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import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
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import org.springframework.data.redis.serializer.*;
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import javax.annotation.Resource;
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import java.time.Duration;
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import static java.util.Collections.singletonMap;
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/**
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* 开启缓存支持
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* @author zyf
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* @Return:
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*/
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@Slf4j
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@EnableCaching
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@Configuration
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public class RedisConfig extends CachingConfigurerSupport {
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@Resource
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private LettuceConnectionFactory lettuceConnectionFactory;
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// /**
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// * @description 自定义的缓存key的生成策略 若想使用这个key
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// * 只需要讲注解上keyGenerator的值设置为keyGenerator即可</br>
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// * @return 自定义策略生成的key
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// */
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// @Override
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// @Bean
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// public KeyGenerator keyGenerator() {
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// return new KeyGenerator() {
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// @Override
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// public Object generate(Object target, Method method, Object... params) {
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// StringBuilder sb = new StringBuilder();
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// sb.append(target.getClass().getName());
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// sb.append(method.getDeclaringClass().getName());
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// Arrays.stream(params).map(Object::toString).forEach(sb::append);
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// return sb.toString();
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// }
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// };
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// }
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/**
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* RedisTemplate配置
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* @param lettuceConnectionFactory
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* @return
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*/
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@Bean
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public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
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log.info(" --- redis config init --- ");
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Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer =jacksonSerializer();
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RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
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redisTemplate.setConnectionFactory(lettuceConnectionFactory);
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RedisSerializer<?> stringSerializer = new StringRedisSerializer();
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// key序列化
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redisTemplate.setKeySerializer(stringSerializer);
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// value序列化
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redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
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// Hash key序列化
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redisTemplate.setHashKeySerializer(stringSerializer);
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// Hash value序列化
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redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
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redisTemplate.afterPropertiesSet();
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return redisTemplate;
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}
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/**
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* 缓存配置管理器
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*
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* @param factory
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* @return
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*/
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@Bean
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public CacheManager cacheManager(LettuceConnectionFactory factory) {
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// 配置序列化（缓存默认有效期 6小时）
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RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(6));
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RedisCacheConfiguration redisCacheConfiguration = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
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.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
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// 以锁写入的方式创建RedisCacheWriter对象
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//update-begin-author:taoyan date:20210316 for:注解CacheEvict根据key删除redis支持通配符*
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RedisCacheWriter writer = new JeecgRedisCacheWriter(factory, Duration.ofMillis(50L));
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//RedisCacheWriter.lockingRedisCacheWriter(factory);
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// 创建默认缓存配置对象
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/* 默认配置，设置缓存有效期 1小时*/
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//RedisCacheConfiguration defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(1));
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/* 自定义配置test:demo 的超时时间为 5分钟*/
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RedisCacheManager cacheManager = RedisCacheManager.builder(writer).cacheDefaults(redisCacheConfiguration)
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.withInitialCacheConfigurations(singletonMap(CacheConstant.TEST_DEMO_CACHE, RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofMinutes(5)).disableCachingNullValues()))
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.withInitialCacheConfigurations(singletonMap(CacheConstant.PLUGIN_MALL_RANKING, RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(24)).disableCachingNullValues()))
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.withInitialCacheConfigurations(singletonMap(CacheConstant.PLUGIN_MALL_PAGE_LIST, RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(24)).disableCachingNullValues()))
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.transactionAware().build();
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//update-end-author:taoyan date:20210316 for:注解CacheEvict根据key删除redis支持通配符*
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return cacheManager;
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}
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/**
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* redis 监听配置
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*
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* @param redisConnectionFactory redis 配置
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* @return
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*/
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@Bean
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public RedisMessageListenerContainer redisContainer(RedisConnectionFactory redisConnectionFactory, RedisReceiver redisReceiver, MessageListenerAdapter commonListenerAdapter) {
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RedisMessageListenerContainer container = new RedisMessageListenerContainer();
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container.setConnectionFactory(redisConnectionFactory);
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container.addMessageListener(commonListenerAdapter, new ChannelTopic(GlobalConstants.REDIS_TOPIC_NAME));
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return container;
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}
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@Bean
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MessageListenerAdapter commonListenerAdapter(RedisReceiver redisReceiver) {
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MessageListenerAdapter messageListenerAdapter = new MessageListenerAdapter(redisReceiver, "onMessage");
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messageListenerAdapter.setSerializer(jacksonSerializer());
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return messageListenerAdapter;
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}
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private Jackson2JsonRedisSerializer jacksonSerializer() {
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Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
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ObjectMapper objectMapper = new ObjectMapper();
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objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
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objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
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jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
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return jackson2JsonRedisSerializer;
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}
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}
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@ -0,0 +1,12 @@
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package org.jeecg.common.modules.redis.listener;
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import org.jeecg.common.base.BaseMap;
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/**
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* 自定义消息监听
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*/
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public interface JeecgRedisListerer {
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void onMessage(BaseMap message);
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}
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@ -0,0 +1,33 @@
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package org.jeecg.common.modules.redis.receiver;
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import cn.hutool.core.util.ObjectUtil;
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import lombok.Data;
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import org.jeecg.common.base.BaseMap;
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import org.jeecg.common.constant.GlobalConstants;
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import org.jeecg.common.modules.redis.listener.JeecgRedisListerer;
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import org.jeecg.common.util.SpringContextHolder;
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import org.springframework.stereotype.Component;
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|
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/**
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* @author zyf
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*/
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@Component
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@Data
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public class RedisReceiver {
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|
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|
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/**
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* 接受消息并调用业务逻辑处理器
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*
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* @param params
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||||
*/
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public void onMessage(BaseMap params) {
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Object handlerName = params.get(GlobalConstants.HANDLER_NAME);
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JeecgRedisListerer messageListener = SpringContextHolder.getHandler(handlerName.toString(), JeecgRedisListerer.class);
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if (ObjectUtil.isNotEmpty(messageListener)) {
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messageListener.onMessage(params);
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}
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}
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|
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}
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@ -0,0 +1,221 @@
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package org.jeecg.common.modules.redis.writer;
|
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import java.nio.charset.StandardCharsets;
|
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import java.time.Duration;
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||||
import java.util.Collections;
|
||||
import java.util.Optional;
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||||
import java.util.Set;
|
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import java.util.concurrent.TimeUnit;
|
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import java.util.function.Consumer;
|
||||
import java.util.function.Function;
|
||||
|
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import lombok.extern.slf4j.Slf4j;
|
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import org.springframework.dao.PessimisticLockingFailureException;
|
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import org.springframework.data.redis.cache.RedisCacheWriter;
|
||||
import org.springframework.data.redis.connection.RedisConnection;
|
||||
import org.springframework.data.redis.connection.RedisConnectionFactory;
|
||||
import org.springframework.data.redis.connection.RedisStringCommands.SetOption;
|
||||
import org.springframework.data.redis.core.types.Expiration;
|
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import org.springframework.lang.Nullable;
|
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import org.springframework.util.Assert;
|
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|
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/**
|
||||
* 该类参照 DefaultRedisCacheWriter 重写了 remove 方法实现通配符*删除
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*/
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@Slf4j
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public class JeecgRedisCacheWriter implements RedisCacheWriter {
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|
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private final RedisConnectionFactory connectionFactory;
|
||||
private final Duration sleepTime;
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|
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public JeecgRedisCacheWriter(RedisConnectionFactory connectionFactory) {
|
||||
this(connectionFactory, Duration.ZERO);
|
||||
}
|
||||
|
||||
public JeecgRedisCacheWriter(RedisConnectionFactory connectionFactory, Duration sleepTime) {
|
||||
Assert.notNull(connectionFactory, "ConnectionFactory must not be null!");
|
||||
Assert.notNull(sleepTime, "SleepTime must not be null!");
|
||||
this.connectionFactory = connectionFactory;
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||||
this.sleepTime = sleepTime;
|
||||
}
|
||||
|
||||
public void put(String name, byte[] key, byte[] value, @Nullable Duration ttl) {
|
||||
Assert.notNull(name, "Name must not be null!");
|
||||
Assert.notNull(key, "Key must not be null!");
|
||||
Assert.notNull(value, "Value must not be null!");
|
||||
this.execute(name, (connection) -> {
|
||||
if (shouldExpireWithin(ttl)) {
|
||||
connection.set(key, value, Expiration.from(ttl.toMillis(), TimeUnit.MILLISECONDS), SetOption.upsert());
|
||||
} else {
|
||||
connection.set(key, value);
|
||||
}
|
||||
|
||||
return "OK";
|
||||
});
|
||||
}
|
||||
|
||||
public byte[] get(String name, byte[] key) {
|
||||
Assert.notNull(name, "Name must not be null!");
|
||||
Assert.notNull(key, "Key must not be null!");
|
||||
return (byte[])this.execute(name, (connection) -> {
|
||||
return connection.get(key);
|
||||
});
|
||||
}
|
||||
|
||||
public byte[] putIfAbsent(String name, byte[] key, byte[] value, @Nullable Duration ttl) {
|
||||
Assert.notNull(name, "Name must not be null!");
|
||||
Assert.notNull(key, "Key must not be null!");
|
||||
Assert.notNull(value, "Value must not be null!");
|
||||
return (byte[])this.execute(name, (connection) -> {
|
||||
if (this.isLockingCacheWriter()) {
|
||||
this.doLock(name, connection);
|
||||
}
|
||||
|
||||
Object var7;
|
||||
try {
|
||||
boolean put;
|
||||
if (shouldExpireWithin(ttl)) {
|
||||
put = connection.set(key, value, Expiration.from(ttl), SetOption.ifAbsent());
|
||||
} else {
|
||||
put = connection.setNX(key, value);
|
||||
}
|
||||
|
||||
if (!put) {
|
||||
byte[] var11 = connection.get(key);
|
||||
return var11;
|
||||
}
|
||||
|
||||
var7 = null;
|
||||
} finally {
|
||||
if (this.isLockingCacheWriter()) {
|
||||
this.doUnlock(name, connection);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return (byte[])var7;
|
||||
});
|
||||
}
|
||||
|
||||
public void remove(String name, byte[] key) {
|
||||
Assert.notNull(name, "Name must not be null!");
|
||||
Assert.notNull(key, "Key must not be null!");
|
||||
String keyString = new String(key);
|
||||
log.info("redis remove key:" + keyString);
|
||||
if(keyString!=null && keyString.endsWith("*")){
|
||||
execute(name, connection -> {
|
||||
// 获取某个前缀所拥有的所有的键，某个前缀开头，后面肯定是*
|
||||
Set<byte[]> keys = connection.keys(key);
|
||||
int delNum = 0;
|
||||
for (byte[] keyByte : keys) {
|
||||
delNum += connection.del(keyByte);
|
||||
}
|
||||
return delNum;
|
||||
});
|
||||
}else{
|
||||
this.execute(name, (connection) -> {
|
||||
return connection.del(new byte[][]{key});
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
public void clean(String name, byte[] pattern) {
|
||||
Assert.notNull(name, "Name must not be null!");
|
||||
Assert.notNull(pattern, "Pattern must not be null!");
|
||||
this.execute(name, (connection) -> {
|
||||
boolean wasLocked = false;
|
||||
|
||||
try {
|
||||
if (this.isLockingCacheWriter()) {
|
||||
this.doLock(name, connection);
|
||||
wasLocked = true;
|
||||
}
|
||||
|
||||
byte[][] keys = (byte[][])((Set)Optional.ofNullable(connection.keys(pattern)).orElse(Collections.emptySet())).toArray(new byte[0][]);
|
||||
if (keys.length > 0) {
|
||||
connection.del(keys);
|
||||
}
|
||||
} finally {
|
||||
if (wasLocked && this.isLockingCacheWriter()) {
|
||||
this.doUnlock(name, connection);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return "OK";
|
||||
});
|
||||
}
|
||||
|
||||
void lock(String name) {
|
||||
this.execute(name, (connection) -> {
|
||||
return this.doLock(name, connection);
|
||||
});
|
||||
}
|
||||
|
||||
void unlock(String name) {
|
||||
this.executeLockFree((connection) -> {
|
||||
this.doUnlock(name, connection);
|
||||
});
|
||||
}
|
||||
|
||||
private Boolean doLock(String name, RedisConnection connection) {
|
||||
return connection.setNX(createCacheLockKey(name), new byte[0]);
|
||||
}
|
||||
|
||||
private Long doUnlock(String name, RedisConnection connection) {
|
||||
return connection.del(new byte[][]{createCacheLockKey(name)});
|
||||
}
|
||||
|
||||
boolean doCheckLock(String name, RedisConnection connection) {
|
||||
return connection.exists(createCacheLockKey(name));
|
||||
}
|
||||
|
||||
private boolean isLockingCacheWriter() {
|
||||
return !this.sleepTime.isZero() && !this.sleepTime.isNegative();
|
||||
}
|
||||
|
||||
private <T> T execute(String name, Function<RedisConnection, T> callback) {
|
||||
RedisConnection connection = this.connectionFactory.getConnection();
|
||||
|
||||
try {
|
||||
this.checkAndPotentiallyWaitUntilUnlocked(name, connection);
|
||||
return callback.apply(connection);
|
||||
} finally {
|
||||
connection.close();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private void executeLockFree(Consumer<RedisConnection> callback) {
|
||||
RedisConnection connection = this.connectionFactory.getConnection();
|
||||
|
||||
try {
|
||||
callback.accept(connection);
|
||||
} finally {
|
||||
connection.close();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private void checkAndPotentiallyWaitUntilUnlocked(String name, RedisConnection connection) {
|
||||
if (this.isLockingCacheWriter()) {
|
||||
try {
|
||||
while(this.doCheckLock(name, connection)) {
|
||||
Thread.sleep(this.sleepTime.toMillis());
|
||||
}
|
||||
|
||||
} catch (InterruptedException var4) {
|
||||
Thread.currentThread().interrupt();
|
||||
throw new PessimisticLockingFailureException(String.format("Interrupted while waiting to unlock cache %s", name), var4);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static boolean shouldExpireWithin(@Nullable Duration ttl) {
|
||||
return ttl != null && !ttl.isZero() && !ttl.isNegative();
|
||||
}
|
||||
|
||||
private static byte[] createCacheLockKey(String name) {
|
||||
return (name + "~lock").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,614 @@
|
||||
package org.jeecg.common.util;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.data.redis.core.*;
|
||||
import org.springframework.stereotype.Component;
|
||||
import org.springframework.util.CollectionUtils;
|
||||
|
||||
/**
|
||||
* redis 工具类
|
||||
* @Author Scott
|
||||
*
|
||||
*/
|
||||
@Component
|
||||
public class RedisUtil {
|
||||
|
||||
@Autowired
|
||||
private RedisTemplate<String, Object> redisTemplate;
|
||||
@Autowired
|
||||
private StringRedisTemplate stringRedisTemplate;
|
||||
|
||||
/**
|
||||
* 指定缓存失效时间
|
||||
*
|
||||
* @param key 键
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean expire(String key, long time) {
|
||||
try {
|
||||
if (time > 0) {
|
||||
redisTemplate.expire(key, time, TimeUnit.SECONDS);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据key 获取过期时间
|
||||
*
|
||||
* @param key 键 不能为null
|
||||
* @return 时间(秒) 返回0代表为永久有效
|
||||
*/
|
||||
public long getExpire(String key) {
|
||||
return redisTemplate.getExpire(key, TimeUnit.SECONDS);
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断key是否存在
|
||||
*
|
||||
* @param key 键
|
||||
* @return true 存在 false不存在
|
||||
*/
|
||||
public boolean hasKey(String key) {
|
||||
try {
|
||||
return redisTemplate.hasKey(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 删除缓存
|
||||
*
|
||||
* @param key 可以传一个值 或多个
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
public void del(String... key) {
|
||||
if (key != null && key.length > 0) {
|
||||
if (key.length == 1) {
|
||||
redisTemplate.delete(key[0]);
|
||||
} else {
|
||||
redisTemplate.delete(CollectionUtils.arrayToList(key));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ============================String=============================
|
||||
/**
|
||||
* 普通缓存获取
|
||||
*
|
||||
* @param key 键
|
||||
* @return 值
|
||||
*/
|
||||
public Object get(String key) {
|
||||
return key == null ? null : redisTemplate.opsForValue().get(key);
|
||||
}
|
||||
|
||||
/**
|
||||
* 普通缓存放入
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @return true成功 false失败
|
||||
*/
|
||||
public boolean set(String key, Object value) {
|
||||
try {
|
||||
redisTemplate.opsForValue().set(key, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 普通缓存放入并设置时间
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期
|
||||
* @return true成功 false 失败
|
||||
*/
|
||||
public boolean set(String key, Object value, long time) {
|
||||
try {
|
||||
if (time > 0) {
|
||||
redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
|
||||
} else {
|
||||
set(key, value);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 递增
|
||||
*
|
||||
* @param key 键
|
||||
* @param by 要增加几(大于0)
|
||||
* @return
|
||||
*/
|
||||
public long incr(String key, long delta) {
|
||||
if (delta < 0) {
|
||||
throw new RuntimeException("递增因子必须大于0");
|
||||
}
|
||||
return redisTemplate.opsForValue().increment(key, delta);
|
||||
}
|
||||
|
||||
/**
|
||||
* 递减
|
||||
*
|
||||
* @param key 键
|
||||
* @param by 要减少几(小于0)
|
||||
* @return
|
||||
*/
|
||||
public long decr(String key, long delta) {
|
||||
if (delta < 0) {
|
||||
throw new RuntimeException("递减因子必须大于0");
|
||||
}
|
||||
return redisTemplate.opsForValue().increment(key, -delta);
|
||||
}
|
||||
|
||||
// ================================Map=================================
|
||||
/**
|
||||
* HashGet
|
||||
*
|
||||
* @param key 键 不能为null
|
||||
* @param item 项 不能为null
|
||||
* @return 值
|
||||
*/
|
||||
public Object hget(String key, String item) {
|
||||
return redisTemplate.opsForHash().get(key, item);
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取hashKey对应的所有键值
|
||||
*
|
||||
* @param key 键
|
||||
* @return 对应的多个键值
|
||||
*/
|
||||
public Map<Object, Object> hmget(String key) {
|
||||
return redisTemplate.opsForHash().entries(key);
|
||||
}
|
||||
|
||||
/**
|
||||
* HashSet
|
||||
*
|
||||
* @param key 键
|
||||
* @param map 对应多个键值
|
||||
* @return true 成功 false 失败
|
||||
*/
|
||||
public boolean hmset(String key, Map<String, Object> map) {
|
||||
try {
|
||||
redisTemplate.opsForHash().putAll(key, map);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* HashSet 并设置时间
|
||||
*
|
||||
* @param key 键
|
||||
* @param map 对应多个键值
|
||||
* @param time 时间(秒)
|
||||
* @return true成功 false失败
|
||||
*/
|
||||
public boolean hmset(String key, Map<String, Object> map, long time) {
|
||||
try {
|
||||
redisTemplate.opsForHash().putAll(key, map);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 向一张hash表中放入数据,如果不存在将创建
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param value 值
|
||||
* @return true 成功 false失败
|
||||
*/
|
||||
public boolean hset(String key, String item, Object value) {
|
||||
try {
|
||||
redisTemplate.opsForHash().put(key, item, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 向一张hash表中放入数据,如果不存在将创建
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param value 值
|
||||
* @param time 时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
|
||||
* @return true 成功 false失败
|
||||
*/
|
||||
public boolean hset(String key, String item, Object value, long time) {
|
||||
try {
|
||||
redisTemplate.opsForHash().put(key, item, value);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 删除hash表中的值
|
||||
*
|
||||
* @param key 键 不能为null
|
||||
* @param item 项 可以使多个 不能为null
|
||||
*/
|
||||
public void hdel(String key, Object... item) {
|
||||
redisTemplate.opsForHash().delete(key, item);
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断hash表中是否有该项的值
|
||||
*
|
||||
* @param key 键 不能为null
|
||||
* @param item 项 不能为null
|
||||
* @return true 存在 false不存在
|
||||
*/
|
||||
public boolean hHasKey(String key, String item) {
|
||||
return redisTemplate.opsForHash().hasKey(key, item);
|
||||
}
|
||||
|
||||
/**
|
||||
* hash递增 如果不存在,就会创建一个 并把新增后的值返回
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param by 要增加几(大于0)
|
||||
* @return
|
||||
*/
|
||||
public double hincr(String key, String item, double by) {
|
||||
return redisTemplate.opsForHash().increment(key, item, by);
|
||||
}
|
||||
|
||||
/**
|
||||
* hash递减
|
||||
*
|
||||
* @param key 键
|
||||
* @param item 项
|
||||
* @param by 要减少记(小于0)
|
||||
* @return
|
||||
*/
|
||||
public double hdecr(String key, String item, double by) {
|
||||
return redisTemplate.opsForHash().increment(key, item, -by);
|
||||
}
|
||||
|
||||
// ============================set=============================
|
||||
/**
|
||||
* 根据key获取Set中的所有值
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public Set<Object> sGet(String key) {
|
||||
try {
|
||||
return redisTemplate.opsForSet().members(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据value从一个set中查询,是否存在
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @return true 存在 false不存在
|
||||
*/
|
||||
public boolean sHasKey(String key, Object value) {
|
||||
try {
|
||||
return redisTemplate.opsForSet().isMember(key, value);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将数据放入set缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param values 值 可以是多个
|
||||
* @return 成功个数
|
||||
*/
|
||||
public long sSet(String key, Object... values) {
|
||||
try {
|
||||
return redisTemplate.opsForSet().add(key, values);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将set数据放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param time 时间(秒)
|
||||
* @param values 值 可以是多个
|
||||
* @return 成功个数
|
||||
*/
|
||||
public long sSetAndTime(String key, long time, Object... values) {
|
||||
try {
|
||||
Long count = redisTemplate.opsForSet().add(key, values);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return count;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取set缓存的长度
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public long sGetSetSize(String key) {
|
||||
try {
|
||||
return redisTemplate.opsForSet().size(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 移除值为value的
|
||||
*
|
||||
* @param key 键
|
||||
* @param values 值 可以是多个
|
||||
* @return 移除的个数
|
||||
*/
|
||||
public long setRemove(String key, Object... values) {
|
||||
try {
|
||||
Long count = redisTemplate.opsForSet().remove(key, values);
|
||||
return count;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
// ===============================list=================================
|
||||
|
||||
/**
|
||||
* 获取list缓存的内容
|
||||
*
|
||||
* @param key 键
|
||||
* @param start 开始
|
||||
* @param end 结束 0 到 -1代表所有值
|
||||
* @return
|
||||
*/
|
||||
public List<Object> lGet(String key, long start, long end) {
|
||||
try {
|
||||
return redisTemplate.opsForList().range(key, start, end);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取list缓存的长度
|
||||
*
|
||||
* @param key 键
|
||||
* @return
|
||||
*/
|
||||
public long lGetListSize(String key) {
|
||||
try {
|
||||
return redisTemplate.opsForList().size(key);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 通过索引 获取list中的值
|
||||
*
|
||||
* @param key 键
|
||||
* @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
|
||||
* @return
|
||||
*/
|
||||
public Object lGetIndex(String key, long index) {
|
||||
try {
|
||||
return redisTemplate.opsForList().index(key, index);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, Object value) {
|
||||
try {
|
||||
redisTemplate.opsForList().rightPush(key, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, Object value, long time) {
|
||||
try {
|
||||
redisTemplate.opsForList().rightPush(key, value);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, List<Object> value) {
|
||||
try {
|
||||
redisTemplate.opsForList().rightPushAll(key, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将list放入缓存
|
||||
*
|
||||
* @param key 键
|
||||
* @param value 值
|
||||
* @param time 时间(秒)
|
||||
* @return
|
||||
*/
|
||||
public boolean lSet(String key, List<Object> value, long time) {
|
||||
try {
|
||||
redisTemplate.opsForList().rightPushAll(key, value);
|
||||
if (time > 0) {
|
||||
expire(key, time);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据索引修改list中的某条数据
|
||||
*
|
||||
* @param key 键
|
||||
* @param index 索引
|
||||
* @param value 值
|
||||
* @return
|
||||
*/
|
||||
public boolean lUpdateIndex(String key, long index, Object value) {
|
||||
try {
|
||||
redisTemplate.opsForList().set(key, index, value);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 移除N个值为value
|
||||
*
|
||||
* @param key 键
|
||||
* @param count 移除多少个
|
||||
* @param value 值
|
||||
* @return 移除的个数
|
||||
*/
|
||||
public long lRemove(String key, long count, Object value) {
|
||||
try {
|
||||
Long remove = redisTemplate.opsForList().remove(key, count, value);
|
||||
return remove;
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取指定前缀的一系列key
|
||||
* 使用scan命令代替keys, Redis是单线程处理，keys命令在KEY数量较多时，
|
||||
* 操作效率极低【时间复杂度为O(N)】，该命令一旦执行会严重阻塞线上其它命令的正常请求
|
||||
* @param keyPrefix
|
||||
* @return
|
||||
*/
|
||||
private Set<String> keys(String keyPrefix) {
|
||||
String realKey = keyPrefix + "*";
|
||||
|
||||
try {
|
||||
return redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
|
||||
Set<String> binaryKeys = new HashSet<>();
|
||||
Cursor<byte[]> cursor = connection.scan(new ScanOptions.ScanOptionsBuilder().match(realKey).count(Integer.MAX_VALUE).build());
|
||||
while (cursor.hasNext()) {
|
||||
binaryKeys.add(new String(cursor.next()));
|
||||
}
|
||||
|
||||
return binaryKeys;
|
||||
});
|
||||
} catch (Throwable e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* 删除指定前缀的一系列key
|
||||
* @param keyPrefix
|
||||
*/
|
||||
public void removeAll(String keyPrefix) {
|
||||
try {
|
||||
Set<String> keys = keys(keyPrefix);
|
||||
redisTemplate.delete(keys);
|
||||
} catch (Throwable e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user