import request from '@/utils/request'
export default {
    //查询前两条banner数据
    findCourseAndTeacher(){
        return request({
            url:`/eduservice/index/findCourseAndTeacher`,
            method:'get'
        })
    }
}

created() {
    //...
    //查询讲师和课程
    this.getCourseAndTeacher()
  },
  methods: {
    //...
    //查询热门课程和讲师
    getCourseAndTeacher(){
      index.findCourseAndTeacher()
      .then(response=>{
        this.courseList = response.data.data.courseList
        this.teacherList =response.data.data.teacherList
      })
    }
  }

<li v-for="course in eduList" :key="course.id">
  <div class="cc-l-wrap">
    <section class="course-img">
      <img
        :src="course.cover"
        class="img-responsive"
        :alt="course.title"
      >
      <div class="cc-mask">
        <a href="#" title="开始学习" class="comm-btn c-btn-1">开始学习</a>
      </div>
    </section>
    <h3 class="hLh30 txtOf mt10">
      <a href="#" :title="course.title" class="course-title fsize18 c-333">{{course.title}}</a>
    </h3>
    <section class="mt10 hLh20 of">
      <span class="fr jgTag bg-green" v-if="Number(course.price) === 0">
        <i class="c-fff fsize12 f-fA">免费</i>
      </span>
      <span class="fr jgTag bg-green" v-else>
        <i class="c-fff fsize12 f-fA">￥{{course.price}}</i>
      </span>
      <span class="fl jgAttr c-ccc f-fA">
        <i class="c-999 f-fA">{{course.buyCount}} 人学习</i>
        |
        <i class="c-999 f-fA">{{course.viewCount}} 人浏览</i>
      </span>
    </section>
  </div>
</li>

<li v-for="teacher in teacherList" :key="teacher.id">
  <section class="i-teach-wrap">
    <div class="i-teach-pic">
      <a href="/teacher/1" :title="teacher.name">
        <img :alt="teacher.name" :src="teacher.avatar">
      </a>
    </div>
    <div class="mt10 hLh30 txtOf tac">
      <a href="/teacher/1" :title="teacher.name" class="fsize18 c-666">{{teacher.name}}</a>
    </div>
    <div class="hLh30 txtOf tac">
      <span class="fsize14 c-999">{{teacher.career}}</span>
    </div>
    <div class="mt15 i-q-txt">
      <p
        class="c-999 f-fA"
      >{{teacher.intro}}</p>
    </div>
  </section>
</li>

<!-- redis -->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<!-- spring2.X集成redis所需common-pool2-->
<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-pool2</artifactId>
    <version>2.6.0</version>
</dependency>

@EnableCaching //开启缓存
@Configuration  //配置类
public class RedisConfig extends CachingConfigurerSupport {
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        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.setConnectionFactory(factory);
        //key序列化方式
        template.setKeySerializer(redisSerializer);
        //value序列化
        template.setValueSerializer(jackson2JsonRedisSerializer);
        //value hashmap序列化
        template.setHashValueSerializer(jackson2JsonRedisSerializer);
        return template;
    }
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        //解决查询缓存转换异常的问题
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        // 配置序列化（解决乱码的问题）,过期时间600秒
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofSeconds(600))
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
                .disableCachingNullValues();
        RedisCacheManager cacheManager = RedisCacheManager.builder(factory)
                .cacheDefaults(config)
                .build();
        return cacheManager;
    }
}

spring.redis.host=192.168.174.128
spring.redis.port=6379
spring.redis.database= 0
spring.redis.timeout=1800000
spring.redis.lettuce.pool.max-active=20
spring.redis.lettuce.pool.max-wait=-1
#最大阻塞等待时间(负数表示没限制)
spring.redis.lettuce.pool.max-idle=5
spring.redis.lettuce.pool.min-idle=0