SpringBoot使用Redis缓存的实现方法

  <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-redis</artifactId>
    </dependency>

package springboot;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.scheduling.annotation.EnableScheduling;
@SpringBootApplication
@EnableScheduling
@EnableCaching
public class SpringbootApplication{
  public static void main(String[] args) {
    SpringApplication.run(SpringbootApplication.class, args);
  }
}

# Redis数据库索引（默认为0）
spring.redis.database=0
# Redis服务器地址
spring.redis.host=172.31.19.222
# Redis服务器连接端口
spring.redis.port=6379
# Redis服务器连接密码（默认为空）
spring.redis.password=
# 连接池最大连接数（使用负值表示没有限制）
spring.redis.pool.max-active=8
# 连接池最大阻塞等待时间（使用负值表示没有限制）
spring.redis.pool.max-wait=-1
# 连接池中的最大空闲连接
spring.redis.pool.max-idle=8
# 连接池中的最小空闲连接
spring.redis.pool.min-idle=0
# 连接超时时间（毫秒）
spring.redis.timeout=0

package springboot.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
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 com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
 * Redis缓存配置类
 * @author szekinwin
 *
 */
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport{
  @Value("${spring.redis.host}")
  private String host;
  @Value("${spring.redis.port}")
  private int port;
  @Value("${spring.redis.timeout}")
  private int timeout;
  //自定义缓存key生成策略
//  @Bean
//  public KeyGenerator keyGenerator() {
//    return new KeyGenerator(){
//      @Override
//      public Object generate(Object target, java.lang.reflect.Method method, Object... params) {
//        StringBuffer sb = new StringBuffer();
//        sb.append(target.getClass().getName());
//        sb.append(method.getName());
//        for(Object obj:params){
//          sb.append(obj.toString());
//        }
//        return sb.toString();
//      }
//    };
//  }
  //缓存管理器
  @Bean 
  public CacheManager cacheManager(@SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {
    RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
    //设置缓存过期时间 
    cacheManager.setDefaultExpiration(10000);
    return cacheManager;
  }
  @Bean
  public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory){
    StringRedisTemplate template = new StringRedisTemplate(factory);
    setSerializer(template);//设置序列化工具
    template.afterPropertiesSet();
    return template;
  }
   private void setSerializer(StringRedisTemplate template){
      @SuppressWarnings({ "rawtypes", "unchecked" })
      Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
      ObjectMapper om = new ObjectMapper();
      om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
      om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
      jackson2JsonRedisSerializer.setObjectMapper(om);
      template.setValueSerializer(jackson2JsonRedisSerializer);
   }
}

package springboot.dao;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import springboot.domain.User;
@Mapper
@CacheConfig(cacheNames = "users")
public interface UserMapper {
  @Insert("insert into user(name,age) values(#{name},#{age})")
  int addUser(@Param("name")String name,@Param("age")String age);
  @Select("select * from user where id =#{id}")
  @Cacheable(key ="#p0") 
  User findById(@Param("id") String id);
  @CachePut(key = "#p0")
  @Update("update user set name=#{name} where id=#{id}")
  void updataById(@Param("id")String id,@Param("name")String name);
  //如果指定为 true，则方法调用后将立即清空所有缓存
  @CacheEvict(key ="#p0",allEntries=true)
  @Delete("delete from user where id=#{id}")
  void deleteById(@Param("id")String id);
}

## LOG4J配置
log4j.rootCategory=DEBUG,stdout
## 控制台输出
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L - %m%n