91 lines
2.6 KiB
Java
91 lines
2.6 KiB
Java
package com.sqx.common.utils;
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import com.google.gson.Gson;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.*;
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import org.springframework.stereotype.Component;
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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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*/
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@Component
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public class RedisUtils {
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@Autowired
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private RedisTemplate<String, Object> redisTemplate;
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@Autowired
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private ValueOperations<String, String> valueOperations;
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@Autowired
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private HashOperations<String, String, Object> hashOperations;
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@Autowired
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private ListOperations<String, Object> listOperations;
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@Autowired
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private SetOperations<String, Object> setOperations;
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@Autowired
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private ZSetOperations<String, Object> zSetOperations;
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/** 默认过期时长，单位：秒 */
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public final static long DEFAULT_EXPIRE = 60 * 60 * 24;
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/** 不设置过期时长 */
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public final static long NOT_EXPIRE = -1;
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private final static Gson Gson = new Gson();
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public void set(String key, Object value, long expire){
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valueOperations.set(key, toJson(value));
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if(expire != NOT_EXPIRE){
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redisTemplate.expire(key, expire, TimeUnit.SECONDS);
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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 <T> T get(String key, Class<T> clazz, long expire) {
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String value = valueOperations.get(key);
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if(expire != NOT_EXPIRE){
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redisTemplate.expire(key, expire, TimeUnit.SECONDS);
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}
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return value == null ? null : fromJson(value, clazz);
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}
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public <T> T get(String key, Class<T> clazz) {
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return get(key, clazz, NOT_EXPIRE);
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}
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public String get(String key, long expire) {
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String value = valueOperations.get(key);
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if(expire != NOT_EXPIRE){
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redisTemplate.expire(key, expire, TimeUnit.SECONDS);
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}
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return value;
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}
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public String 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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/**
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* Object转成JSON数据
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*/
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private String toJson(Object object){
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if(object instanceof Integer || object instanceof Long || object instanceof Float ||
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object instanceof Double || object instanceof Boolean || object instanceof String){
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return String.valueOf(object);
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}
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return Gson.toJson(object);
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}
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/**
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* JSON数据，转成Object
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*/
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private <T> T fromJson(String json, Class<T> clazz){
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return Gson.fromJson(json, clazz);
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}
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}
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