springboot2 集成redis

# redis settings
spring.redis.database=0
spring.redis.host=127.0.0.1
spring.redis.port=6379
spring.redis.password=
spring.redis.timeout=5000ms
spring.redis.lettuce.pool.max-idle=100
spring.redis.lettuce.pool.min-idle=10
spring.redis.lettuce.pool.max-active=100
spring.redis.lettuce.pool.max-wait=-1ms


 

import io.lettuce.core.resource.ClientResources;
import io.lettuce.core.resource.DefaultClientResources;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisPassword;
import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceClientConfiguration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration;

import java.time.Duration;
import java.util.regex.Pattern;


/**
 * @author wang 
 */
@Configuration
public class LettuceRedisConfig {

    @Value("${spring.redis.database}")
    private int database;

    @Value("${spring.redis.host}")
    private String host;

    @Value("${spring.redis.password}")
    private String password;

    @Value("${spring.redis.port}")
    private int port;

    @Value("${spring.redis.lettuce.pool.max-idle}")
    private int maxIdle;

    @Value("${spring.redis.lettuce.pool.min-idle}")
    private int minIdle;

    @Value("${spring.redis.lettuce.pool.max-active}")
    private int maxTotal;

    @Value("${spring.redis.lettuce.pool.max-wait}")
    private String maxWait;

    @Value("${spring.redis.timeout}")
    private String timeout;

    @Bean(destroyMethod = "shutdown")
    @ConditionalOnMissingBean(ClientResources.class)
    public DefaultClientResources lettuceClientResources() {
        return DefaultClientResources.create();
    }

    @Bean(name = "lettuceConnectionFactory")
    LettuceConnectionFactory lettuceConnectionFactory() {
        RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
        redisStandaloneConfiguration.setDatabase(database);
        redisStandaloneConfiguration.setHostName(host);
        redisStandaloneConfiguration.setPort(port);
        redisStandaloneConfiguration.setPassword(RedisPassword.of(password));

        LettuceClientConfiguration clientConfig = LettucePoolingClientConfiguration.builder()
                .clientResources(lettuceClientResources())
                .commandTimeout(Duration.ofMillis(Long.parseLong(findNum(timeout))))
                .poolConfig(genericObjectPoolConfig())
                .build();
        LettuceConnectionFactory factory = new LettuceConnectionFactory(redisStandaloneConfiguration, clientConfig);
        // 使用前先校验连接
        factory.setValidateConnection(true);
        //是否允许多个线程操作共用同一个缓存连接 false时每个操作都将开辟新的连接
        factory.setShareNativeConnection(false);
        factory.afterPropertiesSet();
        return factory;
    }


    GenericObjectPoolConfig genericObjectPoolConfig() {
        GenericObjectPoolConfig genericObjectPoolConfig = new GenericObjectPoolConfig();
        genericObjectPoolConfig.setMaxIdle(maxIdle);
        genericObjectPoolConfig.setMinIdle(minIdle);
        genericObjectPoolConfig.setMaxTotal(maxTotal);
        genericObjectPoolConfig.setMaxWaitMillis(Long.parseLong(findNum(maxWait)));
        return genericObjectPoolConfig;
    }

    /**
     * 只保留数字和+-符号
     * Pattern.CASE_INSENSITIVE 忽略大小写
     */
    private static final Pattern PATTERN = Pattern.compile("[^0-9-+]+", Pattern.CASE_INSENSITIVE);

    //字符串只保留数字和正负号
    private static String findNum(String string){
        return PATTERN.matcher(string).replaceAll("").trim();
    }
}



 

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.springframework.beans.factory.annotation.Qualifier;
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.lettuce.LettuceConnectionFactory;
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.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;


/**
 * @author wang 
 */
@Configuration
public class RedisTemplateConfig {

    @Bean(name = "redisTemplate")
    public RedisTemplate<String, Object> redisTemplate(@Qualifier("lettuceConnectionFactory") LettuceConnectionFactory lettuceConnectionFactory) {
        //设置序列化
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);

        jackson2JsonRedisSerializer.setObjectMapper(om);

        RedisTemplate<String, Object> temple = new RedisTemplate<>();
        temple.setConnectionFactory(lettuceConnectionFactory);
        RedisSerializer stringSerializer = new StringRedisSerializer();
        temple.setKeySerializer(stringSerializer);
        temple.setValueSerializer(jackson2JsonRedisSerializer);
        temple.setHashKeySerializer(stringSerializer);
        temple.setHashValueSerializer(jackson2JsonRedisSerializer);
        temple.afterPropertiesSet();
        return temple;
    }

    @Bean(name = "stringRedisTemplate")
    public StringRedisTemplate stringRedisTemplate(@Qualifier("lettuceConnectionFactory") LettuceConnectionFactory lettuceConnectionFactory) {
        StringRedisTemplate stringRedisTemplate = new StringRedisTemplate();
        stringRedisTemplate.setConnectionFactory(lettuceConnectionFactory);
        stringRedisTemplate.afterPropertiesSet();
        return stringRedisTemplate;
    }

    @Bean
    public RedisCacheManager cacheManager(@Qualifier("lettuceConnectionFactory") LettuceConnectionFactory lettuceConnectionFactory) {
        return RedisCacheManager.create(lettuceConnectionFactory);
    }
}