优化：请求接口全局处理loading和错误提示

pages/course/index.vue

@@ -257,29 +257,25 @@ const handleFirstLevelClick = (item: string) => {
  * 获取课程分类数据
  */
 const getMedicalTags = async () => {
-  try {
-    const res = await courseSubjectClassificationApi.getCourseMedicalTree()
-    if (res && res.code === 0) {
-      if (res.labels && res.labels.length > 0) {
-        curseTagList.value = res.labels
-        // 根据 currentIndex 设置初始选中的分类
-        if (res.labels[currentIndex.value]) {
-          const selectedTag = res.labels[currentIndex.value]
-          if (selectedTag.isLast === 0) {
-            // 非终极分类，显示子分类
-            if (selectedTag.children && selectedTag.children.length > 0) {
-              sbuMedicalTagsList.value = selectedTag.children
-            } else {
-              sbuMedicalTagsList.value = []
-            }
+  const res = await courseSubjectClassificationApi.getCourseMedicalTree()
+  if (res && res.code === 0) {
+    if (res.labels && res.labels.length > 0) {
+      curseTagList.value = res.labels
+      // 根据 currentIndex 设置初始选中的分类
+      if (res.labels[currentIndex.value]) {
+        const selectedTag = res.labels[currentIndex.value]
+        if (selectedTag.isLast === 0) {
+          // 非终极分类，显示子分类
+          if (selectedTag.children && selectedTag.children.length > 0) {
+            sbuMedicalTagsList.value = selectedTag.children
+          } else {
+            sbuMedicalTagsList.value = []
           }
         }
-      } else {
-        curseTagList.value = []
       }
+    } else {
+      curseTagList.value = []
     }
-  } catch (error) {
-    console.error('获取医学课程分类失败:', error)
   }
 }
 /**
@@ -309,13 +305,9 @@ const curseClick = (item: IMedicalTag, index: number) => {
  */
 const soulCateList = ref<IMedicalTag[]>([])
 const getSoulCateList = async () => {
-  try {
-    const res = await courseSubjectClassificationApi.getCourseSoulTree()
-    if (res.labels&&res.labels.length>0) {
-			soulCateList.value = res.labels;
-		}
-  } catch (error) {
-    console.error('获取心理学课程分类失败:', error)
+  const res = await courseSubjectClassificationApi.getCourseSoulTree()
+  if (res.labels&&res.labels.length>0) {
+    soulCateList.value = res.labels;
   }
 }
 
@@ -325,13 +317,9 @@ const getSoulCateList = async () => {
  */
 const sociologyCateList = ref<IMedicalTag[]>([])
 const getSociologyCateList = async () => {
-  try {
-    const res = await courseSubjectClassificationApi.getCourseSociologyTree()
-    if (res.labels&&res.labels.length>0) {
-			sociologyCateList.value = res.labels;
-		}
-  } catch (error) {
-    console.error('获取国学课程分类失败:', error)
+  const res = await courseSubjectClassificationApi.getCourseSociologyTree()
+  if (res.labels&&res.labels.length>0) {
+    sociologyCateList.value = res.labels;
   }
 }
 
@@ -369,17 +357,13 @@ const learnList = ref<ICourse[]>([]) // 观看记录列表
  * 获取观看记录
  */
 const getLearnCourse = async () => {
-  try {
-    const res = await courseApi.getUserLateCourseList()
-    if (res && res.code === 0) {
-      if (res.page && res.page.length > 0) {
-        learnList.value = res.page
-      } else {
-        learnList.value = []
-      }
+  const res = await courseApi.getUserLateCourseList()
+  if (res && res.code === 0) {
+    if (res.page && res.page.length > 0) {
+      learnList.value = res.page
+    } else {
+      learnList.value = []
     }
-  } catch (error) {
-    console.error('获取观看记录失败:', error)
   }
 }
 
@@ -389,17 +373,13 @@ const newsList = ref<INews[]>([]) // 新闻列表
  * 获取新闻列表
  */
 const getNewsList = async () => {
-  try {
-    const res = await commonApi.getMessageList(0, 1, 0)
-    if (res && res.code === 0) {
-      if (res.messages && res.messages.length > 0) {
-        newsList.value = res.messages
-      } else {
-        newsList.value = []
-      }
+  const res = await commonApi.getMessageList(0, 1, 0)
+  if (res && res.code === 0) {
+    if (res.messages && res.messages.length > 0) {
+      newsList.value = res.messages
+    } else {
+      newsList.value = []
     }
-  } catch (error) {
-    console.error('获取新闻列表失败:', error)
   }
 }
 /**
@@ -423,21 +403,17 @@ const tryListenList = ref<ICourse[]>([]) // 试听课程列表
  * 获取试听课程列表
  */
 const getTryListenList = async () => {
-  try {
-    const res = await courseApi.getMarketCourseList({
-      page: 1,
-      limit: 6,
-      id: 1
-    })
-    if (res && res.code === 0) {
-      if (res.courseList && res.courseList.records && res.courseList.records.length > 0) {
-        tryListenList.value = res.courseList.records
-      } else {
-        tryListenList.value = []
-      }
+  const res = await courseApi.getMarketCourseList({
+    page: 1,
+    limit: 6,
+    id: 1
+  })
+  if (res && res.code === 0) {
+    if (res.courseList && res.courseList.records && res.courseList.records.length > 0) {
+      tryListenList.value = res.courseList.records
+    } else {
+      tryListenList.value = []
     }
-  } catch (error) {
-    console.error('获取试听课程失败:', error)
   }
 }