springmvc集成redis的Demo基于maven（内有redis）

package com.yuyang.dao.impl; import java.util.ArrayList; import java.util.List; import org.springframework.dao.DataAccessException; import org.springframework.data.redis.connection.RedisConnection; import org.springframework.data.redis.core.RedisCallback; import org.springframework.data.redis.serializer.RedisSerializer; import com.yuyang.dao.UserDao; import com.yuyang.po.User; import com.yuyang.util.AbstractBaseRedisDao; public class UserDaoImpl extends AbstractBaseRedisDao<String,User> implements UserDao { /** * 新增 * @param user * @return */ public boolean add(final User user) { boolean result = redisTemplate.execute(new RedisCallback<Boolean>() { public Boolean doInRedis(RedisConnection connection) throws DataAccessException { RedisSerializer<String> serializer =redisTemplate.getStringSerializer(); byte[] key = serializer.serialize(user.getId()); byte[] name = serializer.serialize(user.getName()); return connection.setNX(key, name); } }); return result; } /** * 批量新增 使用pipeline方式 *@param list *@return */ public boolean add(final List<User> list) { org.springframework.util.Assert.notEmpty(list); boolean result = redisTemplate.execute(new RedisCallback<Boolean>() { public Boolean doInRedis(RedisConnection connection) throws DataAccessException { RedisSerializer<String> serializer = redisTemplate.getStringSerializer(); for (User user : list) { byte[] key = serializer.serialize(user.getId()); byte[] name = serializer.serialize(user.getName()); connection.setNX(key, name); } return true; } }, false, true); return result; } /** * 删除 * <br>------------------------------<br> * @param key */ public void delete(String key) { List<String> list = new ArrayList<String>(); list.add(key); delete(list); } /** * 删除多个 * <br>------------------------------<br> * @param keys */ public void delete(List<String> keys) { redisTemplate.delete(keys); } /** * 修改 * <br>------------------------------<br> * @param user * @return */ public boolean update(final User user) { String key = user.getId(); if (get(key) == null) { throw new NullPointerException("数据行不存在, key = " + key); } boolean result = redisTemplate.execute(new RedisCallback<Boolean>() { public Boolean doInRedis(RedisConnection connection) throws DataAccessException { RedisSerializer<String> serializer = redisTemplate.getStringSerializer(); byte[] key = serializer.serialize(user.getId()); byte[] name = serializer.serialize(user.getName()); connection.set(key, name); return true; } }); return result; } /** * 通过key获取 * <br>------------------------------<br> * @param keyId * @return */ public User get(final String keyId) { User result = redisTemplate.execute(new RedisCallback<User>() { public User doInRedis(RedisConnection connection) throws DataAccessException { RedisSerializer<String> serializer = redisTemplate.getStringSerializer(); byte[] key = serializer.serialize(keyId); byte[] value = connection.get(key); if (value == null) { return null; } String name = serializer.deserialize(value); return new User(keyId, name, null); } }); return result; } }