update

components/export-range.vue

@@ -9,7 +9,7 @@
         </el-select>
       </el-form-item>
       <el-form-item label="期(可选)" v-if="useterm">
-        <el-select clearable v-model="form.termid" @change="selectTerm">
+        <el-select clearable v-model="form.termid" multiple @change="selectTerm">
           <el-option v-for="(i, index) in termList" :key="index" :label="`第${i.term}期`" :value="i._id"></el-option>
         </el-select>
       </el-form-item>
@@ -86,7 +86,13 @@ export default {
       this.$set(this, `termList`, termnum);
     },
     // 找到批次列表,查询班级列表
-    async selectTerm(termid) {
+    async selectTerm(termids = []) {
+      if (termids.length != 1) {
+        this.$set(this.form, `classid`, undefined);
+        this.$set(this.form, `batchid`, undefined);
+        return;
+      }
+      const termid = _.head(termids);
       const r = this.termList.find(f => f._id === termid);
       if (!r) return;
       const { batchnum } = r;