毕业设计基于Javaweb的药店管理系统（源码+数据库）.zip

package com.yjx.util; import com.baomidou.mybatisplus.core.toolkit.CollectionUtils; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.connection.RedisClusterNode; import org.springframework.data.redis.connection.RedisConnectionFactory; import org.springframework.data.redis.connection.RedisServerCommands; import org.springframework.data.redis.core.HashOperations; import org.springframework.data.redis.core.ListOperations; import org.springframework.data.redis.core.RedisCallback; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer; import org.springframework.data.redis.serializer.RedisSerializer; import org.springframework.data.redis.serializer.StringRedisSerializer; import org.springframework.stereotype.Component; import java.nio.charset.Charset; import java.nio.charset.StandardCharsets; import java.util.*; /** * Redis Repository * redis 基本操作 可扩展,基本够用了 * * @author yang123 * @date 2021/11/2 18:24 **/ @Slf4j @Component public class RedisRepository { /** * 默认编码 */ private static final Charset DEFAULT_CHARSET = StandardCharsets.UTF_8; /** * key序列化 */ private static final StringRedisSerializer STRING_SERIALIZER = new StringRedisSerializer(); /** * value 序列化 */ private static final JdkSerializationRedisSerializer OBJECT_SERIALIZER = new JdkSerializationRedisSerializer(); /** * Spring Redis Template */ @Autowired private final RedisTemplate<String, Object> redisTemplate; public RedisRepository(RedisTemplate<String, Object> redisTemplate) { this.redisTemplate = redisTemplate; this.redisTemplate.setKeySerializer(STRING_SERIALIZER); this.redisTemplate.setValueSerializer(OBJECT_SERIALIZER); } /** * 获取链接工厂 */ public RedisConnectionFactory getConnectionFactory() { return this.redisTemplate.getConnectionFactory(); } /** * 获取 RedisTemplate对象 */ public RedisTemplate<String, Object> getRedisTemplate() { return redisTemplate; } /** * 清空DB * * @param node redis 节点 */ public void flushDB(RedisClusterNode node) { this.redisTemplate.opsForCluster().flushDb(node); } /** * 添加到带有 过期时间的 缓存 * * @param key redis主键 * @param value 值 * @param time 过期时间(单位秒) */ public void setExpire(final byte[] key, final byte[] value, final long time) { redisTemplate.execute((RedisCallback<Long>) connection -> { connection.setEx(key, time, value); log.debug("[redisTemplate redis]放入 缓存 url:{} ========缓存时间为{}秒", key, time); return 1L; }); } /** * 添加到带有 过期时间的 缓存 * * @param key redis主键 * @param value 值 * @param time 过期时间(单位秒) */ public void setExpire(final String key, final Object value, final long time) { redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer<String> serializer = getRedisSerializer(); byte[] keys = serializer.serialize(key); byte[] values = OBJECT_SERIALIZER.serialize(value); connection.setEx(keys, time, values); return 1L; }); } /** * 一次性添加数组到 过期时间的 缓存，不用多次连接，节省开销 * * @param keys redis主键数组 * @param values 值数组 * @param time 过期时间(单位秒) */ public void setExpire(final String[] keys, final Object[] values, final long time) { redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer<String> serializer = getRedisSerializer(); for (int i = 0; i < keys.length; i++) { byte[] bKeys = serializer.serialize(keys[i]); byte[] bValues = OBJECT_SERIALIZER.serialize(values[i]); connection.setEx(bKeys, time, bValues); } return 1L; }); } /** * 一次性添加数组到 过期时间的 缓存，不用多次连接，节省开销 * * @param keys the keys * @param values the values */ public void set(final String[] keys, final Object[] values) { redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer<String> serializer = getRedisSerializer(); for (int i = 0; i < keys.length; i++) { byte[] bKeys = serializer.serialize(keys[i]); byte[] bValues = OBJECT_SERIALIZER.serialize(values[i]); connection.set(bKeys, bValues); } return 1L; }); } /** * 添加到缓存 * * @param key the key * @param value the value */ public void set(final String key, final Object value) { redisTemplate.execute((RedisCallback<Long>) connection -> { RedisSerializer<String> serializer = getRedisSerializer(); byte[] keys = serializer.serialize(key); byte[] values = OBJECT_SERIALIZER.serialize(value); connection.set(keys, values); log.debug("[redisTemplate redis]放入 缓存 url:{}", key); return 1L; }); } /** * 查询在这个时间段内即将过期的key * * @param key the key * @param time the time * @return the list */ public List<String> willExpire(final String key, final long time) { final List<String> keysList = new ArrayList<>(); redisTemplate.execute((RedisCallback<List<String>>) connection -> { Set<String> keys = redisTemplate.keys(key + "*"); for (String key1 : keys) { Long ttl = connection.ttl(key1.getBytes(DEFAULT_CHARSET)); if (0 <= ttl && ttl <= 2 * time) { keysList.add(key1); } } return keysList; }); return keysList; } /** * 查询在以keyPatten的所有 key * * @param keyPatten the key patten * @return the set */ public Set<String> keys(final String keyPatten) { return redisTemplate.execute((RedisCallback<Set<String>>) connection -> redisTemplate.keys(keyPatten + "*")); } /** * 根据key获取对象 * * @param key the key * @return the byte [ ] */ public byte[] get(final byte[] key) { byte[] result = redisTemplate.execute((RedisCallback<byte[]>) connection -> connection.get(key)); log.debug("[redisTemplate redis]取出 缓存 url:{} ", key); return result; } /** * 根据key获取对象 * * @param key the key * @return the string */ public Object get(final String key) { Object resultStr = redisTemplate.execute((RedisCallback<Object>) connection -> { RedisSerializer<String> serializer = getRedisSerializer(); byte[] keys = serializer.serialize(key); byte[] values = connection.get(keys); return OBJECT_SERIALIZER.deserialize(values); }); log.debug("[redisTemplate redis]取出 缓存 url:{} ", key); return resultStr; } /** * 根据key获取对象 * * @param keyPatten the key patten * @return the keys values */ public Map<String, Object> getKeysValues(final String keyPatten) { log.debug("[redisTemplate redis] getValues() patten={} ", keyPatten); return redisTemplate.execute((RedisCallback<Map<String, Object>>) connection -> { RedisSerializer<String> serializer = getRedisSerializer();