139 lines
3.7 KiB
Java
139 lines
3.7 KiB
Java
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package com.weather.common.redis;
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import jakarta.annotation.Resource;
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import org.springframework.data.redis.core.HashOperations;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Component;
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import java.util.Collection;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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/**
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* Redis工具类
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*
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* @author 123
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*/
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@Component
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public class RedisUtils {
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@Resource
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private RedisTemplate<String, Object> redisTemplate;
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/** 默认过期时长为24小时，单位：秒 */
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public final static long DEFAULT_EXPIRE = 60 * 60 * 24L;
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/** 过期时长为1小时，单位：秒 */
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public final static long HOUR_ONE_EXPIRE = 60 * 60 * 1L;
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/** 过期时长为6小时，单位：秒 */
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public final static long HOUR_SIX_EXPIRE = 60 * 60 * 6L;
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/** 不设置过期时长 */
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public final static long NOT_EXPIRE = -1L;
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public void set(String key, Object value, long expire) {
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redisTemplate.opsForValue().set(key, value);
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if (expire != NOT_EXPIRE) {
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expire(key, expire);
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}
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}
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public void set(String key, Object value) {
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set(key, value, DEFAULT_EXPIRE);
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}
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public Object get(String key, long expire) {
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Object value = redisTemplate.opsForValue().get(key);
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if (expire != NOT_EXPIRE) {
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expire(key, expire);
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}
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return value;
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}
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public Object get(String key) {
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return get(key, NOT_EXPIRE);
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}
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public void delete(String key) {
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redisTemplate.delete(key);
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}
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public void delete(Collection<String> keys) {
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redisTemplate.delete(keys);
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}
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public Object hGet(String key, String field) {
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return redisTemplate.opsForHash().get(key, field);
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}
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public Map<String, Object> hGetAll(String key) {
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HashOperations<String, String, Object> hashOperations = redisTemplate.opsForHash();
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return hashOperations.entries(key);
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}
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public void hMSet(String key, Map<String, Object> map) {
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hMSet(key, map, DEFAULT_EXPIRE);
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}
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public void hMSet(String key, Map<String, Object> map, long expire) {
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redisTemplate.opsForHash().putAll(key, map);
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if (expire != NOT_EXPIRE) {
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expire(key, expire);
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}
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}
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public void hSet(String key, String field, Object value) {
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hSet(key, field, value, DEFAULT_EXPIRE);
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}
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public void hSet(String key, String field, Object value, long expire) {
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redisTemplate.opsForHash().put(key, field, value);
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if (expire != NOT_EXPIRE) {
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expire(key, expire);
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}
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}
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public void expire(String key, long expire) {
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redisTemplate.expire(key, expire, TimeUnit.SECONDS);
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}
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public void hDel(String key, Object... fields) {
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redisTemplate.opsForHash().delete(key, fields);
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}
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public void leftPush(String key, Object value) {
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leftPush(key, value, DEFAULT_EXPIRE);
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}
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public void leftPush(String key, Object value, long expire) {
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redisTemplate.opsForList().leftPush(key, value);
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if (expire != NOT_EXPIRE) {
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expire(key, expire);
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}
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}
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public Object rightPop(String key) {
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return redisTemplate.opsForList().rightPop(key);
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}
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/**
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* 按模式删除缓存
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* @param pattern 匹配模式，如 "weather:summarize:*"
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*/
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public void deleteByPattern(String pattern) {
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java.util.Set<String> keys = redisTemplate.keys(pattern);
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if (keys != null && !keys.isEmpty()) {
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redisTemplate.delete(keys);
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}
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}
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/**
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* 判断缓存是否存在
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*/
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public boolean exists(String key) {
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Boolean result = redisTemplate.hasKey(key);
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return Boolean.TRUE.equals(result);
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}
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}
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