【Redis】JavaSpring操作redis

目录 引入Redis依赖StringRedisTemplate使用String使用List使用Set使用hash使用zset

引入Redis依赖

StringRedisTemplate

此处RedisTemplate是把这些操作Redis的方法，分成了几个类别，分门别类的来组织的。 此处提供的一些接口风格，和原生的Redis命令就有一定的差异。

使用String @GetMapping("/testString") @ResponseBody public String testString() { redisTemplate.execute((RedisConnection connection) -> { // execute 要求回调方法中必须 return 语句，返回个东西 connection.flushAll(); return null; }); redisTemplate.opsForValue().set("key", "111"); redisTemplate.opsForValue().set("key2", "222"); redisTemplate.opsForValue().set("key3", "333"); String value = redisTemplate.opsForValue().get("key"); System.out.println("value:" + value); return "OK"; }

使用List @GetMapping("/testList") @ResponseBody public String testList() { // 先清除之前的数据. redisTemplate.execute((RedisConnection connection) -> { // execute 要求回调方法中必须 return 语句，返回个东西 connection.flushAll(); return null; }); redisTemplate.opsForList().leftPush("key", "111"); redisTemplate.opsForList().leftPush("key", "222"); redisTemplate.opsForList().leftPush("key", "333"); String value = redisTemplate.opsForList().rightPop("key"); System.out.println("value:" + value); value = redisTemplate.opsForList().rightPop("key"); System.out.println("value:" + value); value = redisTemplate.opsForList().rightPop("key"); System.out.println("value:" + value); return "OK"; }

使用Set @GetMapping("/testSet") @ResponseBody public String testSet() { redisTemplate.execute((RedisConnection connection) -> { // execute 要求回调方法中必须 return 语句，返回个东西 connection.flushAll(); return null; }); redisTemplate.opsForSet().add("key", "111", "222", "333"); Set<String> result = redisTemplate.opsForSet().members("key"); System.out.println("result:" + result); Boolean exists = redisTemplate.opsForSet().isMember("key", "111"); System.out.println("exists:" + exists); Long count = redisTemplate.opsForSet().size("key"); System.out.println("count:" + count); redisTemplate.opsForSet().remove("key", "111", "222"); result = redisTemplate.opsForSet().members("key"); System.out.println("result:" + result); return "OK"; }

使用hash @GetMapping("/testHash") @ResponseBody public String testHash() { redisTemplate.execute((RedisConnection connection) -> { // execute 要求回调方法中必须 return 语句，返回个东西 connection.flushAll(); return null; }); redisTemplate.opsForHash().put("key", "f1", "111"); redisTemplate.opsForHash().put("key", "f2", "222"); redisTemplate.opsForHash().put("key", "f3", "333"); String value = (String) redisTemplate.opsForHash().get("key", "f1"); System.out.println("value:" + value); Boolean exists = redisTemplate.opsForHash().hasKey("key", "f1"); System.out.println("exists:" + exists); redisTemplate.opsForHash().delete("key", "f1", "f2"); Long size = redisTemplate.opsForHash().size("key"); System.out.println("size:" + size); value = (String) redisTemplate.opsForHash().get("key", "f1"); System.out.println("value:" + value); return "OK"; }

使用zset @GetMapping("/testZSet") @ResponseBody public String testZSet() { redisTemplate.execute((RedisConnection connection) -> { // execute 要求回调方法中必须 return 语句，返回个东西 connection.flushAll(); return null; }); redisTemplate.opsForZSet().add("key", "zhangsan", 50.0); redisTemplate.opsForZSet().add("key", "lisi", 80.0); redisTemplate.opsForZSet().add("key", "wangwu", 100.0); Set<String> members = redisTemplate.opsForZSet().range("key", 0, -1); System.out.println("members:" + members); Set<ZSetOperations.TypedTuple<String>> membersWithScore = redisTemplate.opsForZSet().rangeWithScores("key", 0, -1); System.out.println("membersWithScore:" + membersWithScore); Double score = redisTemplate.opsForZSet().score("key", "zhangsan"); System.out.println("score:" + score); redisTemplate.opsForZSet().remove("key", "zhangsan"); Long size = redisTemplate.opsForZSet().size("key"); System.out.println("size:" + size); Long rank = redisTemplate.opsForZSet().rank("key", "lisi"); System.out.println("rank:" + rank); return "OK"; }