springboot利用redis做缓存

首先 配置redis

redis:
  password: 123456
  host: 127.0.0.1
  port: 6379
  #103.249.252.109:10086
  expireSeconds: 120
  timeout: 10000  #redis操作的超时时间
  pool:
    maxActive: 5000 #最大连接数
    maxIdle: 30 #最大空闲连接数
    minIdle: 5 #最小空闲连接数
    maxWait: 3000  #获取连接最大等待时间 ms  #default -1

然后redisConfig

package org.rcisoft.core.Redis;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
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.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.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import java.lang.reflect.Method;

/**
 * Redis缓存配置类
 */
@Configuration
@EnableCaching
//@ConfigurationProperties(prefix = "spring.redis")
public class RedisConfig extends CachingConfigurerSupport{

    @Value("${redis.host}")
    private String host;
    @Value("${redis.port}")
    private int port;
    @Value("${redis.timeout}")
    private int timeout;
    @Value("${redis.password}")
    private String password;

    //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();
//            }
//        };
//    }
//设置密码等信息
    @Bean
    JedisConnectionFactory jedisConnectionFactory() {
        JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory();
        jedisConnectionFactory.setPassword(password);
        jedisConnectionFactory.setPort(port);
        jedisConnectionFactory.setHostName(host);
        return jedisConnectionFactory;
    }

    //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(JedisConnectionFactory 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);
    }

    //自定义缓存key生成策略
    @Bean
    public KeyGenerator keyGenerator() {
        return new KeyGenerator() {
            public Object generate(Object target, Method method, Object... objects) {
                StringBuilder sb = new StringBuilder();
                sb.append(target.getClass().getName());
                sb.append(method.getName());
                for (Object obj : objects) {
                    sb.append(obj.toString());
                }
                return sb.toString();
            }
        };
    }

}

最后用的时候在controller 和dao层添加 @EnableCaching 和@cacheConfig  和@cacheAble 等注解