教室编号生成调整

frontend/src/views/teachBusiness/venue/index.vue

@@ -100,6 +100,11 @@
       :close-on-click-modal="false">
       <el-form ref="classroomForm" :model="dialog.form" :rules="rules" label-width="110px">
         <el-row :gutter="20">
+          <el-col :span="12">
+            <el-form-item label="教室编号">
+              <el-input v-model="dialog.form.jsbh" placeholder="留空自动生成（按现有最大编号 +1）" maxlength="50" clearable />
+            </el-form-item>
+          </el-col>
           <el-col :span="12">
             <el-form-item label="教室名称" prop="jsmc">
               <el-input v-model="dialog.form.jsmc" placeholder="请输入教室名称" />
@@ -107,7 +112,15 @@
           </el-col>
           <el-col :span="12">
             <el-form-item label="教学楼代号">
-              <el-input v-model="dialog.form.jxldh" placeholder="请输入教学楼代号" />
+              <el-select v-model="dialog.form.jxldh" :loading="buildOptionsLoading" placeholder="请选择教学楼"
+                clearable filterable class="w-full">
+                <el-option
+                  v-for="item in buildOptions"
+                  :key="item.id"
+                  :label="formatBuildLabel(item)"
+                  :value="item.jxldh"
+                />
+              </el-select>
             </el-form-item>
           </el-col>
           <el-col :span="12">
@@ -200,6 +213,7 @@ import {
   listClassroom,
   listAllClassroom
 } from '@/api/teachBusiness/classroom'
+import { listAllBuild } from '@/api/teachBusiness/build'
 
 export default {
   name: 'Venue',
@@ -215,6 +229,9 @@ export default {
       },
       tableData: [],
       jxcdlxOptions: [],
+      // 教学楼下拉选项（来源：教学楼表，未删除数据）
+      buildOptions: [],
+      buildOptionsLoading: false,
       total: 0,
       pageNum: 1,
       pageSize: 20,
@@ -231,9 +248,26 @@ export default {
   },
   created() {
     this.loadVenueTypeOptions()
+    this.loadBuildOptions()
     this.fetchList()
   },
   methods: {
+    /** 加载全部未删除的教学楼，作为新增/编辑弹窗中教学楼代号下拉选项。 */
+    loadBuildOptions() {
+      this.buildOptionsLoading = true
+      listAllBuild().then(response => {
+        this.buildOptions = Array.isArray(response.data) ? response.data : []
+      }).catch(() => {
+        this.buildOptions = []
+      }).finally(() => {
+        this.buildOptionsLoading = false
+      })
+    },
+
+    formatBuildLabel(item) {
+      const base = [item.jxldh, item.jxlmc].filter(Boolean).join(' ')
+      return base || item.id
+    },
     /**
      * 独立加载全部场地类型，避免查询结果收窄后下拉候选项同步丢失。
      */