清晰搞懂Spring Security的登录认证( 四 )

3、Redis工具类 。这里主要是对Redis操作进行了进一步的封装,简化了操作和提高代码重用,感兴趣的同样可以自行读一下,毕竟狗子我也是cv之后再重新读的? 。
@SuppressWarnings(value = https://www.isolves.com/it/cxkf/kj/2022-07-21/{"unchecked", "rawtypes" })@Componentpublic class RedisCache{@Autowiredpublic RedisTemplate redisTemplate;/*** 缓存基本的对象,Integer、String、实体类等* @param key 缓存的键值* @param value 缓存的值*/public void setCacheObject(final String key, final T value){redisTemplate.opsForValue().set(key, value);}/*** 缓存基本的对象,Integer、String、实体类等* @param key 缓存的键值* @param value 缓存的值* @param timeout 时间* @param timeUnit 时间颗粒度*/public void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit){redisTemplate.opsForValue().set(key, value, timeout, timeUnit);}/*** 设置有效时间* @param key Redis键* @param timeout 超时时间* @return true=设置成功;false=设置失败*/public boolean expire(final String key, final long timeout){return expire(key, timeout, TimeUnit.SECONDS);}/*** 设置有效时间* @param key Redis键* @param timeout 超时时间* @param unit 时间单位* @return true=设置成功;false=设置失败*/public boolean expire(final String key, final long timeout, final TimeUnit unit){return redisTemplate.expire(key, timeout, unit);}/*** 获得缓存的基本对象 。* @param key 缓存键值* @return 缓存键值对应的数据*/public T getCacheObject(final String key){ValueOperations operation = redisTemplate.opsForValue();return operation.get(key);}/*** 删除单个对象* @param key*/public boolean deleteObject(final String key){return redisTemplate.delete(key);}/*** 删除集合对象* @param collection 多个对象*/public long deleteObject(final Collection collection){return redisTemplate.delete(collection);}/*** 缓存List数据* @param key 缓存的键值* @param dataList 待缓存的List数据* @return 缓存的对象*/public long setCacheList(final String key, final List dataList){Long count = redisTemplate.opsForList().rightPushAll(key, dataList);return count == null ? 0 : count;}/*** 获得缓存的list对象* @param key 缓存的键值* @return 缓存键值对应的数据*/public List getCacheList(final String key){return redisTemplate.opsForList().range(key, 0, -1);}/*** 缓存Set* @param key 缓存键值* @param dataSet 缓存的数据* @return 缓存数据的对象*/public BoundSetOperations setCacheSet(final String key, final Set dataSet){BoundSetOperations setOperation = redisTemplate.boundSetOps(key);Iterator it = dataSet.iterator();while (it.hasNext()){setOperation.add(it.next());}return setOperation;}/*** 获得缓存的set* @param key* @return*/public Set getCacheSet(final String key){return redisTemplate.opsForSet().members(key);}/*** 缓存Map* @param key* @param dataMap*/public void setCacheMap(final String key, final Map dataMap){if (dataMap != null) {redisTemplate.opsForHash().putAll(key, dataMap);}}/*** 获得缓存的Map* @param key* @return*/public Map getCacheMap(final String key){return redisTemplate.opsForHash().entries(key);}/*** 往Hash中存入数据* @param key Redis键* @param hKey Hash键* @param value 值*/public void setCacheMapValue(final String key, final String hKey, final T value){redisTemplate.opsForHash().put(key, hKey, value);}/*** 获取Hash中的数据* @param key Redis键* @param hKey Hash键* @return Hash中的对象*/public T getCacheMapValue(final String key, final String hKey){HashOperations opsForHash = redisTemplate.opsForHash();return opsForHash.get(key, hKey);}/*** 删除Hash中的数据* @param key* @param hkey*/public void delCacheMapValue(final String key, final String hkey){HashOperations hashOperations = redisTemplate.opsForHash();hashOperations.delete(key, hkey);}/*** 获取多个Hash中的数据* @param key Redis键* @param hKeys Hash键集合* @return Hash对象集合*/public List getMultiCacheMapValue(final String key, final Collection hKeys){return redisTemplate.opsForHash().multiGet(key, hKeys);}/*** 获得缓存的基本对象列表* @param pattern 字符串前缀* @return 对象列表*/public Collection keys(final String pattern){return redisTemplate.keys(pattern);}}4、fastjson对Redis工具类的配置 。这里有一个问题就是不要使用高版本的fastjson依赖,因为高版本的好像是已经将
ParserConfig.getGlobalInstance().setAutoTypeSupport(true); 去除了,从而后面导致报错 。
public class FastJsonRedisSerializer<T> implements RedisSerializer<T>{public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");private Class<T> clazz;static{ParserConfig.getGlobalInstance().setAutoTypeSupport(true);}public FastJsonRedisSerializer(Class<T> clazz){super();this.clazz = clazz;}@Overridepublic byte[] serialize(T t) throws SerializationException{if (t == null){return new byte[0];}return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);}@Overridepublic T deserialize(byte[] bytes) throws SerializationException{if (bytes == null || bytes.length <= 0){return null;}String str = new String(bytes, DEFAULT_CHARSET);return JSON.parseobject(str, clazz);}protected JavaType getJavaType(Class<?> clazz){return TypeFactory.defaultInstance().constructType(clazz);}}


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