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 |  |  | package com.genersoft.iot.vmp.utils.redis;
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 |  |  | import java.util.ArrayList;
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 |  |  | import java.util.List;
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 |  |  | import java.util.Map;
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 |  |  | import java.util.Set;
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 |  |  | import java.util.*;
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 |  |  | import java.util.concurrent.TimeUnit;
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 |  |  | import org.springframework.beans.factory.annotation.Autowired;
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 |  |  | import org.springframework.data.redis.core.RedisTemplate;
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 |  |  | import org.springframework.data.redis.core.ZSetOperations;
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 |  |  | import org.springframework.dao.DataAccessException;
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 |  |  | import org.springframework.data.redis.connection.RedisConnection;
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 |  |  | import org.springframework.data.redis.core.*;
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 |  |  | import org.springframework.stereotype.Component;
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 |  |  | import org.springframework.util.CollectionUtils;
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 |  |  |             return 0;
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 |  |  |         }
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 |  |  |     }
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 |  |  |      | 
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 |  |  |     /**
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 |  |  |      * 模糊查询
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 |  |  |      * @param key 键
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 |  |  | 
 |  |  |      */
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 |  |  |     public List<Object> keys(String key) {
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 |  |  |         try {
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 |  |  |            Set<String> set = redisTemplate.keys(key);
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 |  |  |             Set<String> set = redisTemplate.keys(key);
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 |  |  |             return new ArrayList<>(set);
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 |  |  |         } catch (Exception e) {
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 |  |  |             e.printStackTrace();
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 |  |  |             return null;
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 |  |  |         }
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 |  |  |     }
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 |  |  | 
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 |  |  |     /**
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 |  |  |      * 模糊查询
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 |  |  |      * @param query 查询参数
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 |  |  |      * @return
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 |  |  |      */
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 |  |  | //    public List<Object> scan(String query) {
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 |  |  | //        List<Object> result = new ArrayList<>();
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 |  |  | //        try {
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 |  |  | //            Cursor<Map.Entry<Object,Object>> cursor = redisTemplate.opsForHash().scan("field",
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 |  |  | //                    ScanOptions.scanOptions().match(query).count(1000).build());
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 |  |  | //            while (cursor.hasNext()) {
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 |  |  | //                Map.Entry<Object,Object> entry = cursor.next();
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 |  |  | //                result.add(entry.getKey());
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 |  |  | //                Object key = entry.getKey();
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 |  |  | //                Object valueSet = entry.getValue();
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 |  |  | //            }
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 |  |  | //            //关闭cursor
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 |  |  | //            cursor.close();
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 |  |  | //        } catch (Exception e) {
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 |  |  | //            e.printStackTrace();
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 |  |  | //        }
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 |  |  | //        return result;
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 |  |  | //    }
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 |  |  | 
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 |  |  |     /**
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 |  |  |      * 模糊查询
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 |  |  |      * @param query 查询参数
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 |  |  |      * @return
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 |  |  |      */
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 |  |  |     public List<Object> scan(String query) {
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 |  |  |         Set<String> keys = (Set<String>) redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
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 |  |  |             Set<String> keysTmp = new HashSet<>();
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 |  |  |             Cursor<byte[]> cursor = connection.scan(new ScanOptions.ScanOptionsBuilder().match(query).count(1000).build());
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 |  |  |             while (cursor.hasNext()) {
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 |  |  |                 keysTmp.add(new String(cursor.next()));
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 |  |  |             }
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 |  |  |             return keysTmp;
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 |  |  |         });
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 |  |  | //        Set<String> keys = (Set<String>) redisTemplate.execute(new RedisCallback<Set<String>>(){
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 |  |  | //
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 |  |  | //            @Override
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 |  |  | //            public Set<String> doInRedis(RedisConnection connection) throws DataAccessException {
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 |  |  | //                Set<String> keysTmp = new HashSet<>();
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 |  |  | //                Cursor<byte[]> cursor = connection.scan(new ScanOptions.ScanOptionsBuilder().match(query).count(1000).build());
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 |  |  | //                while (cursor.hasNext()) {
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 |  |  | //                    keysTmp.add(new String(cursor.next()));
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 |  |  | //                }
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 |  |  | //            return keysTmp;
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 |  |  | //            }
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 |  |  | //        });
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 |  |  | 
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 |  |  |         return new ArrayList<>(keys);
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 |  |  |     }
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 |  |  | 
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 |  |  | }
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