SpringBoot使用NoSQL——Redis的使用

灰灰鼠精灵

import java.lang.reflect.Method;　　import org.springframework.cache.CacheManager;
　　import org.springframework.cache.annotation.CachingConfigurerSupport;
　　import org.springframework.cache.annotation.EnableCaching;
　　import org.springframework.cache.interceptor.KeyGenerator;
　　import org.springframework.context.annotation.Bean;
　　import org.springframework.context.annotation.Configuration;
　　import org.springframework.data.redis.cache.RedisCacheManager;
　　import org.springframework.data.redis.connection.RedisConnectionFactory;
　　import org.springframework.data.redis.core.RedisTemplate;
　　import org.springframework.data.redis.core.StringRedisTemplate;
　　import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
　　import org.springframework.data.redis.serializer.StringRedisSerializer;
　　import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
　　import com.fasterxml.jackson.annotation.PropertyAccessor;
　　import com.fasterxml.jackson.databind.ObjectMapper;
　　@Configuration
　　@EnableCaching

　　public>　　@Bean
　　public KeyGenerator keyGenerator() {
　　return new KeyGenerator() {
　　@Override
　　public Object generate(Object target, Method method, Object... params) {
　　StringBuilder sb = new StringBuilder();
　　sb.append(target.getClass().getName());
　　sb.append(method.getName());
　　for (Object obj : params) {
　　sb.append(obj.toString());
　　}
　　return sb.toString();
　　}
　　};
　　}
　　@Bean
　　public CacheManager cacheManager(@SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {
　　RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
　　// 失效时间(秒)，默认不失效
　　cacheManager.setDefaultExpiration(60);
　　return cacheManager;
　　}
　　@Bean
　　public RedisTemplate redisTemplate(RedisConnectionFactory factory) {
　　RedisTemplate redisTemplate = new RedisTemplate();
　　redisTemplate.setConnectionFactory(factory);
　　redisTemplate.setKeySerializer(new StringRedisSerializer());
　　redisTemplate.setValueSerializer(buildJackson2JsonRedisSerializer());
　　redisTemplate.afterPropertiesSet();
　　return redisTemplate;
　　}
　　@Bean
　　public StringRedisTemplate stringRedisTemplate(RedisConnectionFactory factory) {
　　StringRedisTemplate stringRedisTemplate = new StringRedisTemplate(factory);
　　stringRedisTemplate.setDefaultSerializer(new StringRedisSerializer());
　　stringRedisTemplate.afterPropertiesSet();
　　return stringRedisTemplate;
　　}
　　private Jackson2JsonRedisSerializer buildJackson2JsonRedisSerializer() {
　　Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
　　ObjectMapper om = new ObjectMapper();
　　om.setVisibility(PropertyAccessor.ALL, Visibility.ANY);
　　om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
　　jackson2JsonRedisSerializer.setObjectMapper(om);
　　return jackson2JsonRedisSerializer;
　　}
　　}