班次学期管理，年度检索下拉框数据缺失问题修复

frontend/src/views/teachOffice/shiftSemester/index.vue

@@ -24,7 +24,7 @@
             style="width: 140px"
             @change="handleQuery"
           >
-            <el-option v-for="y in yearOptions" :key="y" :label="`${y}年`" :value="y" />
+            <el-option v-for="y in searchYearOptions" :key="y" :label="`${y}年`" :value="y" />
           </el-select>
         </el-form-item>
         <el-form-item label="学期第次">
@@ -368,6 +368,8 @@ export default {
       // ==================== 下拉数据 ====================
       /** 年度下拉（来自 /semester/all） */
       yearOptions: [],
+      /** 检索年度下拉：校历学期 ∪ 班次学期实际年度（如 2033 这类非校历年度也要能筛） */
+      searchYearOptions: [],
       /** 教学任务下拉（{ bh, rwmc }） */
       taskOptions: [],
       /** 全部班次学期（用于班历复制目标选择） */
@@ -495,12 +497,17 @@ export default {
 
     /* ==================== 下拉数据加载 ==================== */
     loadYearOptions() {
-      listAllSemester().then(res => {
-        const list = (res && res.data) || []
-        const years = list.map(x => this.yearFromNd(x.nd)).filter(v => v)
-        this.yearOptions = [...new Set(years)].sort((a, b) => Number(a) - Number(b))
-      }).catch(() => {
-        this.yearOptions = []
+      Promise.all([
+        listAllSemester().catch(() => null),
+        allSemester().catch(() => null)
+      ]).then(([schoolRes, classRes]) => {
+        const schoolList = (schoolRes && schoolRes.data) || []
+        const classList = (classRes && (classRes.data || classRes.rows)) || []
+        const schoolYears = schoolList.map(x => this.yearFromNd(x.nd)).filter(v => v)
+        const classYears = classList.map(x => this.yearFromNd(x.nd)).filter(v => v)
+        this.yearOptions = [...new Set(schoolYears)].sort((a, b) => Number(a) - Number(b))
+        this.searchYearOptions = [...new Set([...schoolYears, ...classYears])]
+            .sort((a, b) => Number(a) - Number(b))
       })
     },
     loadTaskOptions() {