Redis使用

General

# 返回给定模式的keys
KEYS patter
KEYS * # 返回全部
KEYS set* # 返回set开头的keys
EXISTS key
TYPE key
DEL key

String

SET key value
GET key
# Set Extend Time
SETEX key seconds value
# Set When Key Not Exist
SETNX key value

Hash

HSET key field value
HGET key field
HDEL key field
# Get All Fields
HKEYS key
# Get All Values
HVALS key

flowchart LR
    key[key]
    item[
    field1: value1
    field2: value2
    ]
    key --> item

List

LPUSH key value1 value2
# Get Key From Start To Stop
LRANGE key start stop
# Right POP
RPOP key
# List Length
LLEN key

Set

SADD key mem1 mem2
SMEMBERS key
# Set Size
SCARD key
SINTER key1 key2
SUNION key1 key2
# Delete
SREM key mem1 mem2

Sorted Set / ZSet

ZADD key score1 mem1 score2 mem2
# Show List
ZRANGE key start stop (WITHSCORES)
# Increse Member
ZINCRBY key increment member
ZREM key mem1 mem2

Redis for Java

• Jedis (Official Recommand)
• Lettuce
• Spring Data Redis

Redis Data Redis

pom.xml

<!-- Redis -->
<dependency>
    <groupId>org.springframwork.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

application.yml

spring:
  redis:
    host: localhost
    port: 6379
    password: yourPassword

@Configuration
@Slf4j
public class RedisConfiguration {
    @Bean
    public RedisTemplate redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        log.info("开始创建Redis模板对象...");
        RedisTemplate redisTemplate = new RedisTemplate();
        // Set Redis Connection Factory Object
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        // Set Key Serializer
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        return redisTemplate;
    }
}