Spring Data Redis入門樣本:字串操作(六)

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標籤:value   模組   cti   字元   boolean   操作   call   work   end   

Spring Data Redis對字串的操作,封裝在了ValueOperationsBoundValueOperations中,在整合好了SPD之後,在需要的地方引入:

// 注入模板操作執行個體@Autowiredprivate RedisTemplate template;// 從模板中取出對應的操作類執行個體@Resource(name = "redisTemplate")private ValueOperations valueOps;

由於儲存在Redis中的鍵和值通常是java.lang.String,因此Redis模組為RedisConnectionRedisTemplate提供了兩個擴充,分別是StringRedisConnection(及其DefaultStringRedisConnection實現)和StringRedisTemplate(相當於RedisTemplate<String, String>)。

org.springframework.data.redis.core.StringRedisTemplate源碼如下:

public class StringRedisTemplate extends RedisTemplate<String, String> {/** * Constructs a new <code>StringRedisTemplate</code> instance. {@link #setConnectionFactory(RedisConnectionFactory)} * and {@link #afterPropertiesSet()} still need to be called. */public StringRedisTemplate() {    RedisSerializer<String> stringSerializer = new StringRedisSerializer();    setKeySerializer(stringSerializer);    setValueSerializer(stringSerializer);    setHashKeySerializer(stringSerializer);    setHashValueSerializer(stringSerializer);}/** * Constructs a new <code>StringRedisTemplate</code> instance ready to be used. *  * @param connectionFactory connection factory for creating new connections */public StringRedisTemplate(RedisConnectionFactory connectionFactory) {    this();    setConnectionFactory(connectionFactory);    afterPropertiesSet();}protected RedisConnection preProcessConnection(RedisConnection connection, boolean existingConnection) {    return new DefaultStringRedisConnection(connection);}}

實際就是繼承自RedisTemplate

Spring Data Redis入門樣本:字串操作(六)

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