refactor(首页): 移除夏令营推广区块并改用API获取精选课程数据

- 注释掉静态夏令营推广区块代码
- 从API获取精选课程数据替换原有模拟数据
- 更新轮播逻辑使用精选课程数据
- 更新课程封面图片字段匹配API返回格式

 <!--
  * @Date: 2025-03-20 19:55:21
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-06-09 16:10:07
+ * @LastEditTime: 2025-06-11 13:15:30
  * @FilePath: /mlaj/src/views/HomePage.vue
  * @Description: 美乐爱觉教育首页组件
  *
@@ -142,7 +142,7 @@
       </div>
 
       <!-- Summer Camp Promotion -->
-      <div class="px-4 mb-6">
+      <!-- <div class="px-4 mb-6">
         <SummerCampCard :items="[
           {
             title: '大国少年-世界正东方',
@@ -175,7 +175,7 @@
             imageUrl: 'https://cdn.ipadbiz.cn/mlaj/images/summer-camp-3.jpg'
           }
         ]" />
-      </div>
+      </div> -->
 
       <!-- Featured Courses Carousel -->
       <div class="mb-6">
@@ -189,13 +189,13 @@
             style="scrollbar-width: none; -ms-overflow-style: none;"
           >
             <div
-              v-for="(course, index) in courses.slice(0, 4)"
+              v-for="(course, index) in goodCourses"
               :key="course.id"
               class="flex-shrink-0 w-full snap-center px-4"
             >
               <div class="relative rounded-xl overflow-hidden shadow-lg h-48">
                 <img
-                  :src="course.imageUrl || 'https://cdn.ipadbiz.cn/mlaj/images/featured-course.jpg'"
+                  :src="course.cover || 'https://cdn.ipadbiz.cn/mlaj/images/default_block.png'"
                   :alt="course.title"
                   class="w-full h-full object-cover"
                 />
@@ -236,7 +236,7 @@
           <!-- Carousel Indicators -->
           <div class="flex justify-center mt-4">
             <button
-              v-for="(_, index) in courses.slice(0, 4)"
+              v-for="(_, index) in goodCourses.slice(0, 4)"
               :key="index"
               @click="scrollToSlide(index)"
               :class="[
@@ -522,7 +522,7 @@ import SummerCampCard from '@/components/ui/SummerCampCard.vue'
 import VideoPlayer from '@/components/ui/VideoPlayer.vue'
 
 // 导入模拟数据和工具函数
-import { courses, liveStreams, activities } from '@/utils/mockData'
+import { liveStreams, activities } from '@/utils/mockData'
 import { useTitle } from '@vueuse/core'
 import { useAuth } from '@/contexts/auth'
 import { showToast } from 'vant'
@@ -561,6 +561,7 @@ const displayedRecommendations = ref([]) // 当前显示的推荐内容
 //
 const userRecommendations = ref([])
 const hotCourses = ref([])
+const goodCourses = ref([])
 // 获取推荐内容
 const getRecommendations = (random = false) => {
   if (random) {
@@ -576,13 +577,7 @@ const checkInTypes = ref([]);
 // 自动轮播
 let carouselInterval
 onMounted(async () => {
-  carouselInterval = setInterval(() => {
-    if (carouselRef.value) {
-      const nextSlide = (currentSlide.value + 1) % courses.slice(0, 4).length
-      scrollToSlide(nextSlide)
-    }
-  }, 5000)
-  // TODO: 模拟获取用户推荐内容
+
   // 获取课程列表
   const res = await getCourseListAPI({ sn: 'RMKC' })
   if (res.code) {
@@ -598,6 +593,20 @@ onMounted(async () => {
   if (res2.code) {
     hotCourses.value = res2.data
   }
+  // TODO: 获取精选课程
+  const res3 = await getCourseListAPI({
+    sn: 'RMKC', // JXKC
+    limit: 4
+  })
+  if (res3.code) {
+    goodCourses.value = res3.data
+    carouselInterval = setInterval(() => {
+      if (carouselRef.value) {
+        const nextSlide = (currentSlide.value + 1) % goodCourses.value.slice(0, 4).length
+        scrollToSlide(nextSlide)
+      }
+    }, 5000)
+  }
 
   // 获取签到列表
   if(currentUser.value) {