Redis在springboot中的使用教程

依赖如下：

  org.springframework.boot
  spring-boot-starter-data-redis

配置文件如下：

spring:
redis:
  open: true # 是否开启redis缓存 true开启  false关闭
  database: 0
  host: 47.104.208.124
  port: 6378
  password: lf.1228  # 密码（默认为空）
  timeout: 6000 # 连接超时时长（毫秒）
  pool:
    max-active: 1000 # 连接池最大连接数（使用负值表示没有限制）
    max-wait: -1   # 连接池最大阻塞等待时间（使用负值表示没有限制）
    max-idle: 10   # 连接池中的最大空闲连接
    min-idle: 5    # 连接池中的最小空闲连接

RedisConfig类：

@Configuration
public class RedisConfig {
  @Autowired
  private RedisConnectionFactory factory;
  @Bean
  public RedisTemplate redisTemplate() {
    RedisTemplate redisTemplate = new RedisTemplate<>();
    redisTemplate.setKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashKeySerializer(new StringRedisSerializer());
    redisTemplate.setHashValueSerializer(new StringRedisSerializer());
    redisTemplate.setValueSerializer(new StringRedisSerializer());
    redisTemplate.setConnectionFactory(factory);
    return redisTemplate;
  }
  @Bean
  public HashOperations hashOperations(RedisTemplate redisTemplate) {
    return redisTemplate.opsForHash();
  }
  @Bean
  public ValueOperations valueOperations(RedisTemplate redisTemplate) {
    return redisTemplate.opsForValue();
  }
  @Bean
  public ListOperations listOperations(RedisTemplate redisTemplate) {
    return redisTemplate.opsForList();
  }
  @Bean
  public SetOperations setOperations(RedisTemplate redisTemplate) {
    return redisTemplate.opsForSet();
  }
  @Bean
  public ZSetOperations zSetOperations(RedisTemplate redisTemplate) {
    return redisTemplate.opsForZSet();
  }
}

RedisUtils如下：

@Component
public class RedisUtils {
  @Autowired
  private RedisTemplate redisTemplate;
  @Autowired
  private ValueOperations valueOperations;
  @Autowired
  private HashOperations hashOperations;
  @Autowired
  private ListOperations listOperations;
  @Autowired
  private SetOperations setOperations;
  @Autowired
  private ZSetOperations zSetOperations;
  
  public final static long DEFAULT_EXPIRE = 60 * 60 * 24;
  
  public final static long NOT_EXPIRE = -1;
  private final static Gson gson = new Gson();
  public void set(String key, Object value, long expire){
    valueOperations.set(key, toJson(value));
    if(expire != NOT_EXPIRE){
      redisTemplate.expire(key, expire, TimeUnit.SECONDS);
    }
  }
  public void set(String key, Object value){
    set(key, value, DEFAULT_EXPIRE);
  }
  public  T get(String key, Class clazz, long expire) {
    String value = valueOperations.get(key);
    if(expire != NOT_EXPIRE){
      redisTemplate.expire(key, expire, TimeUnit.SECONDS);
    }
    return value == null ? null : fromJson(value, clazz);
  }
  public  T get(String key, Class clazz) {
    return get(key, clazz, NOT_EXPIRE);
  }
  public String get(String key, long expire) {
    String value = valueOperations.get(key);
    if(expire != NOT_EXPIRE){
      redisTemplate.expire(key, expire, TimeUnit.SECONDS);
    }
    return value;
  }
  public String get(String key) {
    return get(key, NOT_EXPIRE);
  }
  public void delete(String key) {
    redisTemplate.delete(key);
  }
  
  private String toJson(Object object){
    if(object instanceof Integer || object instanceof Long || object instanceof Float ||
 object instanceof Double || object instanceof Boolean || object instanceof String){
      return String.valueOf(object);
    }
    return gson.toJson(object);
  }
  
  private  T fromJson(String json, Class clazz){
    return gson.fromJson(json, clazz);
  }
}

springboot如何封装redis：

RedisTemplate

所在包： org.springframework.data.redis.core

作用：redis模板，redis事务，序列化支持，操作redis方法

JedisConnectionFactory

所在包：org.springframework.data.redis.connection.jedis
作用：redis连接工厂类，创建redis连接池等

RedisAutoConfiguration

所在包：org.springframework.boot.autoconfigure.data.redis
作用：将redis配置文件相关信息注入工厂类

RedisProperties

所在包：org.springframework.boot.autoconfigure.data.redis
作用：redis连接基础类通过@ConfigurationProperties注解将配置信息注入属性

总结

以上所述是小编给大家介绍的Redis在springboot中的使用教程，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对考高分网网站的支持！