TemplateStarter.java

package cn.com.polysoft.template;


import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
//import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
//import org.springframework.cloud.netflix.feign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.web.client.RestTemplate;
import tk.mybatis.spring.annotation.MapperScan;

//@EnableEurekaClient
//@EnableFeignClients
@EnableScheduling
@SpringBootApplication
@MapperScan("cn.com.polysoft.template.dao")
public class TemplateStarter
{
    public static void main(String[] args) throws Exception{
        SpringApplication.run(TemplateStarter.class, args);
    }


    /**
     * 解决 使用redisTemplate 存储后的键出现 \x  十六进制编码
     * @param redisConnectionFactory
     * @return
     */
    @Bean
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);

        // 使用Jackson2JsonRedisSerialize 替换默认序列化
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

        // 设置value的序列化规则和 key的序列化规则
        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.setKeySerializer(new StringRedisSerializer());

        redisTemplate.setHashKeySerializer(jackson2JsonRedisSerializer);
        redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);

        redisTemplate.setDefaultSerializer(jackson2JsonRedisSerializer);
        redisTemplate.setEnableDefaultSerializer(true);
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }


    // 启动的时候要注意，由于我们在controller中注入了RestTemplate，所以启动的时候需要实例化该类的一个实例
    @Autowired
    private RestTemplateBuilder builder;
    // 使用RestTemplateBuilder来实例化RestTemplate对象，spring默认已经注入了RestTemplateBuilder实例
    @Bean
    public RestTemplate restTemplate() {
        return builder.build();
    }
}