RedisUtil.java
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package com.genersoft.iot.vmp.utils.redis;
import com.google.common.collect.Lists;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ScanOptions;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Redis工具类
*
* @author swwheihei
* @date 2020年5月6日 下午8:27:29
*/
@SuppressWarnings(value = {"rawtypes", "unchecked"})
public class RedisUtil {
/**
* 模糊查询
*
* @param query 查询参数
* @return
*/
public static List<Object> scan(RedisTemplate redisTemplate, String query) {
Set<String> resultKeys = (Set<String>) redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
ScanOptions scanOptions = ScanOptions.scanOptions().match("*" + query + "*").count(1000).build();
Cursor<byte[]> scan = connection.scan(scanOptions);
Set<String> keys = new HashSet<>();
while (scan.hasNext()) {
byte[] next = scan.next();
keys.add(new String(next));
}
return keys;
});
return Lists.newArrayList(resultKeys);
}
}