使用maven简单搭建Spring mvc + redis缓存

package com.zjf.util; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.concurrent.Callable; import org.springframework.cache.Cache; import org.springframework.cache.support.SimpleValueWrapper; import org.springframework.dao.DataAccessException; import org.springframework.data.redis.connection.RedisConnection; import org.springframework.data.redis.core.RedisCallback; import org.springframework.data.redis.core.RedisTemplate; public class RedisCache implements Cache{ private RedisTemplate<String, Object> redisTemplate; private String name; public RedisTemplate<String, Object> getRedisTemplate() { return redisTemplate; } public void setRedisTemplate(RedisTemplate<String, Object> redisTemplate) { this.redisTemplate = redisTemplate; } public void setName(String name) { this.name = name; } public String getName() { // TODO Auto-generated method stub return this.name; } public Object getNativeCache() { // TODO Auto-generated method stub return this.redisTemplate; } public ValueWrapper get(Object key) { // TODO Auto-generated method stub final String keyf = key.toString(); Object object = null; object = redisTemplate.execute(new RedisCallback<Object>() { public Object doInRedis(RedisConnection connection) throws DataAccessException { byte[] key = keyf.getBytes(); byte[] value = connection.get(key); if (value == null) { return null; } return toObject(value); } }); return (object != null ? new SimpleValueWrapper(object) : null); } public void put(Object key, Object value) { // TODO Auto-generated method stub final String keyf = key.toString(); final Object valuef = value; final long liveTime = 86400; redisTemplate.execute(new RedisCallback<Long>() { public Long doInRedis(RedisConnection connection) throws DataAccessException { byte[] keyb = keyf.getBytes(); byte[] valueb = toByteArray(valuef); connection.set(keyb, valueb); if (liveTime > 0) { connection.expire(keyb, liveTime); } return 1L; } }); } private byte[] toByteArray(Object obj) { byte[] bytes = null; ByteArrayOutputStream bos = new ByteArrayOutputStream(); try { ObjectOutputStream oos = new ObjectOutputStream(bos); oos.writeObject(obj); oos.flush(); bytes = bos.toByteArray(); oos.close(); bos.close(); }catch (IOException ex) { ex.printStackTrace(); } return bytes; } private Object toObject(byte[] bytes) { Object obj = null; try { ByteArrayInputStream bis = new ByteArrayInputStream(bytes); ObjectInputStream ois = new ObjectInputStream(bis); obj = ois.readObject(); ois.close(); bis.close(); } catch (IOException ex) { ex.printStackTrace(); } catch (ClassNotFoundException ex) { ex.printStackTrace(); } return obj; } public void evict(Object key) { // TODO Auto-generated method stub final String keyf = key.toString(); redisTemplate.execute(new RedisCallback<Long>() { public Long doInRedis(RedisConnection connection) throws DataAccessException { return connection.del(keyf.getBytes()); } }); } public void clear() { // TODO Auto-generated method stub redisTemplate.execute(new RedisCallback<String>() { public String doInRedis(RedisConnection connection) throws DataAccessException { connection.flushDb(); return "ok"; } }); } public <T> T get(Object key, Class<T> type) { // TODO Auto-generated method stub return null; } public ValueWrapper putIfAbsent(Object key, Object value) { // TODO Auto-generated method stub return null; } public <T> T get(Object key, Callable<T> valueLoader) { // TODO Auto-generated method stub return null; } }