RedisTemplate常用集合使用说明-opsForZSet(六)
1、add(K key, V value, double score)
添加元素到变量中同时指定元素的分值。
- redisTemplate.opsForZSet().add("zSetValue","A",1);
- redisTemplate.opsForZSet().add("zSetValue","B",3);
- redisTemplate.opsForZSet().add("zSetValue","C",2);
- redisTemplate.opsForZSet().add("zSetValue","D",5);
2、range(K key, long start, long end)
获取变量指定区间的元素。
- Set zSetValue = redisTemplate.opsForZSet().range("zSetValue",0,-1);
- System.out.println("通过range(K key, long start, long end)方法获取指定区间的元素:" + zSetValue);
3、rangeByLex(K key, RedisZSetCommands.Range range)
用于获取满足非score的排序取值。这个排序只有在有相同分数的情况下才能使用,如果有不同的分数则返回值不确定。
- RedisZSetCommands.Range range = new RedisZSetCommands.Range();
- //range.gt("A");
- range.lt("D");
- zSetValue = redisTemplate.opsForZSet().rangeByLex("zSetValue", range);
- System.out.println("通过rangeByLex(K key, RedisZSetCommands.Range range)方法获取满足非score的排序取值元素:" + zSetValue);
4、rangeByLex(K key, RedisZSetCommands.Range range, RedisZSetCommands.Limit limit)
用于获取满足非score的设置下标开始的长度排序取值。
- RedisZSetCommands.Limit limit = new RedisZSetCommands.Limit();
- limit.count(2);
- //起始下标为0
- limit.offset(1);
- zSetValue = redisTemplate.opsForZSet().rangeByLex("zSetValue", range,limit);
- System.out.println("通过rangeByLex(K key, RedisZSetCommands.Range range, RedisZSetCommands.Limit limit)方法获取满足非score的排序取值元素:" + zSetValue);
5、add(K key, Set<ZSetOperations.TypedTuple<V>> tuples)
通过TypedTuple方式新增数据。
- ZSetOperations.TypedTuple<Object> typedTuple1 = new DefaultTypedTuple<Object>("E",6.0);
- ZSetOperations.TypedTuple<Object> typedTuple2 = new DefaultTypedTuple<Object>("F",7.0);
- ZSetOperations.TypedTuple<Object> typedTuple3 = new DefaultTypedTuple<Object>("G",5.0);
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = new HashSet<ZSetOperations.TypedTuple<Object>>();
- typedTupleSet.add(typedTuple1);
- typedTupleSet.add(typedTuple2);
- typedTupleSet.add(typedTuple3);
- redisTemplate.opsForZSet().add("typedTupleSet",typedTupleSet);
- zSetValue = redisTemplate.opsForZSet().range("typedTupleSet",0,-1);
- System.out.println("通过add(K key, Set<ZSetOperations.TypedTuple<V>> tuples)方法添加元素:" + zSetValue);
6、rangeByScore(K key, double min, double max)
根据设置的score获取区间值。
- zSetValue = redisTemplate.opsForZSet().rangeByScore("zSetValue",1,2);
- System.out.println("通过rangeByScore(K key, double min, double max)方法根据设置的score获取区间值:" + zSetValue);
7、rangeByScore(K key, double min, double max,long offset, long count)
根据设置的score获取区间值从给定下标和给定长度获取最终值。
- zSetValue = redisTemplate.opsForZSet().rangeByScore("zSetValue",1,5,1,3);
- System.out.println("通过rangeByScore(K key, double min, double max, long offset, long count)方法根据设置的score获取区间值:" + zSetValue);
8、rangeWithScores(K key, long start, long end)
获取RedisZSetCommands.Tuples的区间值。
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = redisTemplate.opsForZSet().rangeWithScores("typedTupleSet",1,3);
- Iterator<ZSetOperations.TypedTuple<Object>> iterator = typedTupleSet.iterator();
- while (iterator.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = iterator.next();
- Object value = typedTuple.getValue();
- double score = typedTuple.getScore();
- System.out.println("通过rangeWithScores(K key, long start, long end)方法获取RedisZSetCommands.Tuples的区间值:" + value + "---->" + score );
- }
9、rangeByScoreWithScores(K key, double min, double max)
获取RedisZSetCommands.Tuples的区间值通过分值。
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = redisTemplate.opsForZSet().rangeByScoreWithScores("typedTupleSet",5,8);
- iterator = typedTupleSet.iterator();
- while (iterator.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = iterator.next();
- Object value = typedTuple.getValue();
- double score = typedTuple.getScore();
- System.out.println("通过rangeByScoreWithScores(K key, double min, double max)方法获取RedisZSetCommands.Tuples的区间值通过分值:" + value + "---->" + score );
- }
10、rangeByScoreWithScores(K key, double min, double max, long offset, long count)
获取RedisZSetCommands.Tuples的区间值从给定下标和给定长度获取最终值通过分值。
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = redisTemplate.opsForZSet().rangeByScoreWithScores("typedTupleSet",5,8,1,1);
- iterator = typedTupleSet.iterator();
- while (iterator.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = iterator.next();
- Object value = typedTuple.getValue();
- double score = typedTuple.getScore();
- System.out.println("通过rangeByScoreWithScores(K key, double min, double max, long offset, long count)方法获取RedisZSetCommands.Tuples的区间值从给定下标和给定长度获取最终值通过分值:" + value + "---->" + score );
- }
11、count(K key, double min, double max)
获取区间值的个数。
- long count = redisTemplate.opsForZSet().count("zSetValue",1,5);
- System.out.println("通过count(K key, double min, double max)方法获取区间值的个数:" + count);
12、rank(K key,
Object o)
获取变量中元素的索引,下标开始位置为0。
- long index = redisTemplate.opsForZSet().rank("zSetValue","B");
- System.out.println("通过rank(K key, Object o)方法获取变量中元素的索引:" + index);
13、scan(K key, ScanOptions options)
匹配获取键值对,ScanOptions.NONE为获取全部键值对;ScanOptions.scanOptions().match("C").build()匹配获取键位map1的键值对,不能模糊匹配。
- //Cursor<Object> cursor = redisTemplate.opsForSet().scan("setValue", ScanOptions.NONE);
- Cursor<ZSetOperations.TypedTuple<Object>> cursor = redisTemplate.opsForZSet().scan("zSetValue", ScanOptions.NONE);
- while (cursor.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = cursor.next();
- System.out.println("通过scan(K key, ScanOptions options)方法获取匹配元素:" + typedTuple.getValue() + "--->" + typedTuple.getScore());
- }
14、score(K key,
Object o)
获取元素的分值。
- double score = redisTemplate.opsForZSet().score("zSetValue","B");
- System.out.println("通过score(K key, Object o)方法获取元素的分值:" + score);
15、zCard(K key)
获取变量中元素的个数。
- long zCard = redisTemplate.opsForZSet().zCard("zSetValue");
- System.out.println("通过zCard(K key)方法获取变量的长度:" + zCard);
16、incrementScore(K key, V value, double delta)
修改变量中的元素的分值。
- double incrementScore = redisTemplate.opsForZSet().incrementScore("zSetValue","C",5);
- System.out.print("通过incrementScore(K key, V value, double delta)方法修改变量中的元素的分值:" + incrementScore);
- score = redisTemplate.opsForZSet().score("zSetValue","C");
- System.out.print(",修改后获取元素的分值:" + score);
- zSetValue = redisTemplate.opsForZSet().range("zSetValue",0,-1);
- System.out.println(",修改后排序的元素:" + zSetValue);
17、reverseRange(K key, long start, long end)
索引倒序排列指定区间元素。
- zSetValue = redisTemplate.opsForZSet().reverseRange("zSetValue",0,-1);
- System.out.println("通过reverseRange(K key, long start, long end)方法倒序排列元素:" + zSetValue);
18、reverseRangeByScore(K key, double min, double max)
倒序排列指定分值区间元素。
- zSetValue = redisTemplate.opsForZSet().reverseRangeByScore("zSetValue",1,5);
- System.out.println("通过reverseRangeByScore(K key, double min, double max)方法倒序排列指定分值区间元素:" + zSetValue);
19、reverseRangeByScore(K key, double min, double max, long offset, long count)
倒序排列从给定下标和给定长度分值区间元素。
- zSetValue = redisTemplate.opsForZSet().reverseRangeByScore("zSetValue",1,5,1,2);
- System.out.println("通过reverseRangeByScore(K key, double min, double max, long offset, long count)方法倒序排列从给定下标和给定长度分值区间元素:" + zSetValue);
20、reverseRangeByScoreWithScores(K key, double min, double max)
倒序排序获取RedisZSetCommands.Tuples的分值区间值。
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = redisTemplate.opsForZSet().reverseRangeByScoreWithScores("zSetValue",1,5);
- iterator = typedTupleSet.iterator();
- while (iterator.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = iterator.next();
- Object value = typedTuple.getValue();
- double score1 = typedTuple.getScore();
- System.out.println("通过reverseRangeByScoreWithScores(K key, double min, double max)方法倒序排序获取RedisZSetCommands.Tuples的区间值:" + value + "---->" + score1 );
- }
21、reverseRangeByScoreWithScores(K key, double min, double max, long offset, long count)
倒序排序获取RedisZSetCommands.Tuples的从给定下标和给定长度分值区间值。
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = redisTemplate.opsForZSet().reverseRangeByScoreWithScores("zSetValue",1,5,1,2);
- iterator = typedTupleSet.iterator();
- while (iterator.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = iterator.next();
- Object value = typedTuple.getValue();
- double score1 = typedTuple.getScore();
- System.out.println("通过reverseRangeByScoreWithScores(K key, double min, double max, long offset, long count)方法倒序排序获取RedisZSetCommands.Tuples的从给定下标和给定长度区间值:" + value + "---->" + score1 );
- }
22、reverseRangeWithScores(K key, long start, long end)
索引倒序排列区间值。
- Set<ZSetOperations.TypedTuple<Object>> typedTupleSet = redisTemplate.opsForZSet().reverseRangeWithScores("zSetValue",1,5);
- iterator = typedTupleSet.iterator();
- while (iterator.hasNext()){
- ZSetOperations.TypedTuple<Object> typedTuple = iterator.next();
- Object value = typedTuple.getValue();
- double score1 = typedTuple.getScore();
- System.out.println("通过reverseRangeWithScores(K key, long start, long end)方法索引倒序排列区间值:" + value + "----->" + score1);
- }
23、reverseRank(K key,
Object o)
获取倒序排列的索引值。
- long reverseRank = redisTemplate.opsForZSet().reverseRank("zSetValue","B");
- System.out.println("通过reverseRank(K key, Object o)获取倒序排列的索引值:" + reverseRank);
24、intersectAndStore(K key, K otherKey, K destKey)
获取2个变量的交集存放到第3个变量里面。
- redisTemplate.opsForZSet().intersectAndStore("zSetValue","typedTupleSet","intersectSet");
- zSetValue = redisTemplate.opsForZSet().range("intersectSet",0,-1);
- System.out.println("通过intersectAndStore(K key, K otherKey, K destKey)方法获取2个变量的交集存放到第3个变量里面:" + zSetValue);
25、intersectAndStore(K key, Collection<K> otherKeys, K destKey)
获取多个变量的交集存放到第3个变量里面。
- List list = new ArrayList();
- list.add("typedTupleSet");
- redisTemplate.opsForZSet().intersectAndStore("zSetValue",list,"intersectListSet");
- zSetValue = redisTemplate.opsForZSet().range("intersectListSet",0,-1);
- System.out.println("通过intersectAndStore(K key, Collection<K> otherKeys, K destKey)方法获取多个变量的交集存放到第3个变量里面:" + zSetValue);
26、unionAndStore(K key, K otherKey, K destKey)
获取2个变量的合集存放到第3个变量里面。
- redisTemplate.opsForZSet().unionAndStore("zSetValue","typedTupleSet","unionSet");
- zSetValue = redisTemplate.opsForZSet().range("unionSet",0,-1);
- System.out.println("通过unionAndStore(K key, K otherKey, K destKey)方法获取2个变量的交集存放到第3个变量里面:" + zSetValue);
27、unionAndStore(K key, Collection<K> otherKeys, K destKey)
获取多个变量的合集存放到第3个变量里面。
- redisTemplate.opsForZSet().unionAndStore("zSetValue",list,"unionListSet");
- zSetValue = redisTemplate.opsForZSet().range("unionListSet",0,-1);
- System.out.println("通过unionAndStore(K key, Collection<K> otherKeys, K destKey)方法获取多个变量的交集存放到第3个变量里面:" + zSetValue);
28、remove(K key, Object... values)
批量移除元素根据元素值。
- long removeCount = redisTemplate.opsForZSet().remove("unionListSet","A","B");
- zSetValue = redisTemplate.opsForZSet().range("unionListSet",0,-1);
- System.out.print("通过remove(K key, Object... values)方法移除元素的个数:" + removeCount);
- System.out.println(",移除后剩余的元素:" + zSetValue);
29、removeRangeByScore(K key, double min, double max)
根据分值移除区间元素。
- removeCount = redisTemplate.opsForZSet().removeRangeByScore("unionListSet",3,5);
- zSetValue = redisTemplate.opsForZSet().range("unionListSet",0,-1);
- System.out.print("通过removeRangeByScore(K key, double min, double max)方法移除元素的个数:" + removeCount);
- System.out.println(",移除后剩余的元素:" + zSetValue);
30、removeRange(K key, long start, long end)
根据索引值移除区间元素。
- removeCount = redisTemplate.opsForZSet().removeRange("unionListSet",3,5);
- zSetValue = redisTemplate.opsForZSet().range("unionListSet",0,-1);
- System.out.print("通过removeRange(K key, long start, long end)方法移除元素的个数:" + removeCount);
- System.out.println(",移除后剩余的元素:" + zSetValue);
在此,RedisTemplate.java类相关的集合操作就介绍完了。
本文 转载自:https://blog.csdn.net/qq_39071667/article/details/88867677