5.3.2.2 操作字符串类型数据

/**
 * 操作String类型数据
*/
@Test
public void testString(){
    //存值
    redisTemplate.opsForValue().set("city123","beijing");
    //取值
    String value = (String) redisTemplate.opsForValue().get("city123");
    System.out.println(value);
    //存值，同时设置过期时间
    redisTemplate.opsForValue().set("key1","value1",10l, TimeUnit.SECONDS);
    //存值，如果存在则不执行任何操作
    Boolean aBoolean = redisTemplate.opsForValue().setIfAbsent("city1234", "nanjing");
    System.out.println(aBoolean);
}
5.3.2.3 操作哈希类型数据
/**
 * 操作Hash类型数据
*/
@Test
public void testHash(){
    HashOperations hashOperations = redisTemplate.opsForHash();
    //存值
    hashOperations.put("002","name","xiaoming");
    hashOperations.put("002","age","20");
    hashOperations.put("002","address","bj");
    //取值
    String age = (String) hashOperations.get("002", "age");
    System.out.println(age);
    //获得hash结构中的所有字段
    Set keys = hashOperations.keys("002");
    for (Object key : keys) {
        System.out.println(key);
    }
    //获得hash结构中的所有值
    List values = hashOperations.values("002");
    for (Object value : values) {
        System.out.println(value);
    }
}

/**
 * 操作List类型的数据
*/
@Test
public void testList(){
    ListOperations listOperations = redisTemplate.opsForList();
    //存值
    listOperations.leftPush("mylist","a");
    listOperations.leftPushAll("mylist","b","c","d");
    //取值
    List<String> mylist = listOperations.range("mylist", 0, -1);
    for (String value : mylist) {
        System.out.println(value);
    }
    //获得列表长度 llen
    Long size = listOperations.size("mylist");
    int lSize = size.intValue();
    for (int i = 0; i < lSize; i++) {
        //出队列
        String element = (String) listOperations.rightPop("mylist");
        System.out.println(element);
    }
}

/**
 * 操作Set类型的数据
*/
@Test
public void testSet(){
    SetOperations setOperations = redisTemplate.opsForSet();
    //存值
    setOperations.add("myset","a","b","c","a");
    //取值
    Set<String> myset = setOperations.members("myset");
    for (String o : myset) {
        System.out.println(o);
    }
    //删除成员
    setOperations.remove("myset","a","b");
    //取值
    myset = setOperations.members("myset");
    for (String o : myset) {
        System.out.println(o);
    }
}
5.3.2.6 操作有序集合类型数据
/**
 * 操作ZSet类型的数据
*/
@Test
public void testZset(){
    ZSetOperations zSetOperations = redisTemplate.opsForZSet();
    //存值
    zSetOperations.add("myZset","a",10.0);
    zSetOperations.add("myZset","b",11.0);
    zSetOperations.add("myZset","c",12.0);
    zSetOperations.add("myZset","a",13.0);
    //取值
    Set<String> myZset = zSetOperations.range("myZset", 0, -1);
    for (String s : myZset) {
        System.out.println(s);
    }
    //修改分数
    zSetOperations.incrementScore("myZset","b",20.0);
    //取值
    myZset = zSetOperations.range("myZset", 0, -1);
    for (String s : myZset) {
        System.out.println(s);
    }
    //删除成员
    zSetOperations.remove("myZset","a","b");
    //取值
    myZset = zSetOperations.range("myZset", 0, -1);
    for (String s : myZset) {
        System.out.println(s);
    }
}