feat: 新增学校自动添加年级 + 修复区域层级查询 + 清理区域数据

1. 新增学校时根据学段自动添加对应年级
2. 修复选择省/市时无法显示学校的bug（支持区域层级查询）
3. 区域树默认展开湖北省，平行显示市级
4. 新增区域数据清理SQL脚本（仅保留湖北省）

backend/pangu-modules/pangu-business/src/main/java/org/dromara/pangu/base/controller/PgGradeController.java

@@ -1,6 +1,7 @@
 package org.dromara.pangu.base.controller;
 
 import cn.dev33.satoken.annotation.SaCheckPermission;
+import cn.hutool.core.util.StrUtil;
 import lombok.RequiredArgsConstructor;
 import org.dromara.common.core.domain.R;
 import org.dromara.common.log.annotation.Log;
@@ -13,6 +14,7 @@ import org.dromara.pangu.base.service.IPgGradeService;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -39,9 +41,16 @@ public class PgGradeController extends BaseController {
 
     /**
      * 查询年级列表（不分页）
+     * @param grade 查询条件
+     * @param stages 学段列表，逗号分隔（如：1,2 表示小学和初中）
      */
     @GetMapping("/listAll")
-    public R<List<PgGrade>> listAll(PgGrade grade) {
+    public R<List<PgGrade>> listAll(PgGrade grade, 
+            @RequestParam(required = false) String stages) {
+        if (StrUtil.isNotBlank(stages)) {
+            List<String> stageList = Arrays.asList(stages.split(","));
+            return R.ok(gradeService.selectListByStages(stageList));
+        }
         return R.ok(gradeService.selectList(grade));
     }
 

backend/pangu-modules/pangu-business/src/main/java/org/dromara/pangu/base/service/IPgGradeService.java

@@ -42,4 +42,10 @@ public interface IPgGradeService {
      * 批量删除年级
      */
     int deleteByIds(Long[] gradeIds);
+
+    /**
+     * 根据学段列表查询年级
+     * @param stages 学段列表（1小学 2初中 3高中 4中专 5大学）
+     */
+    List<PgGrade> selectListByStages(List<String> stages);
 }

backend/pangu-modules/pangu-business/src/main/java/org/dromara/pangu/base/service/impl/PgGradeServiceImpl.java

@@ -57,6 +57,19 @@ public class PgGradeServiceImpl implements IPgGradeService {
         return baseMapper.deleteByIds(Arrays.asList(gradeIds));
     }
 
+    @Override
+    public List<PgGrade> selectListByStages(List<String> stages) {
+        if (stages == null || stages.isEmpty()) {
+            return List.of();
+        }
+        return baseMapper.selectList(
+            new LambdaQueryWrapper<PgGrade>()
+                .in(PgGrade::getStage, stages)
+                .eq(PgGrade::getStatus, "0")
+                .orderByAsc(PgGrade::getOrderNum)
+        );
+    }
+
     private LambdaQueryWrapper<PgGrade> buildQueryWrapper(PgGrade grade) {
         LambdaQueryWrapper<PgGrade> lqw = new LambdaQueryWrapper<>();
         lqw.like(StrUtil.isNotBlank(grade.getGradeName()), PgGrade::getGradeName, grade.getGradeName());

backend/pangu-modules/pangu-business/src/main/java/org/dromara/pangu/school/domain/PgSchool.java

@@ -60,4 +60,10 @@ public class PgSchool extends BaseEntity {
      */
     @TableField(exist = false)
     private String regionName;
+
+    /**
+     * 初始年级ID列表（非数据库字段，用于新增时批量添加年级）
+     */
+    @TableField(exist = false)
+    private java.util.List<Long> gradeIds;
 }

backend/pangu-modules/pangu-business/src/main/java/org/dromara/pangu/school/service/impl/PgSchoolServiceImpl.java

@@ -119,7 +119,14 @@ public class PgSchoolServiceImpl implements IPgSchoolService {
             school.setDeptId(deptBo.getDeptId());
         }
         
-        return baseMapper.insert(school);
+        int result = baseMapper.insert(school);
+        
+        // 如果传入了初始年级ID列表，批量添加到学校
+        if (school.getGradeIds() != null && !school.getGradeIds().isEmpty()) {
+            addSchoolGrades(school.getSchoolId(), school.getGradeIds());
+        }
+        
+        return result;
     }
 
     /**
@@ -295,11 +302,39 @@ public class PgSchoolServiceImpl implements IPgSchoolService {
         LambdaQueryWrapper<PgSchool> lqw = new LambdaQueryWrapper<>();
         lqw.like(StrUtil.isNotBlank(school.getSchoolName()), PgSchool::getSchoolName, school.getSchoolName());
         lqw.eq(StrUtil.isNotBlank(school.getSchoolType()), PgSchool::getSchoolType, school.getSchoolType());
-        lqw.eq(school.getRegionId() != null, PgSchool::getRegionId, school.getRegionId());
+        
+        // 区域查询：支持查询选定区域及其所有下级区域的学校
+        if (school.getRegionId() != null) {
+            List<Long> regionIds = getRegionIdsWithChildren(school.getRegionId());
+            if (!regionIds.isEmpty()) {
+                lqw.in(PgSchool::getRegionId, regionIds);
+            }
+        }
+        
         lqw.eq(StrUtil.isNotBlank(school.getStatus()), PgSchool::getStatus, school.getStatus());
         return lqw;
     }
 
+    /**
+     * 获取指定区域及其所有下级区域的ID列表
+     * @param regionId 区域ID
+     * @return 包含该区域及所有下级区域的ID列表
+     */
+    private List<Long> getRegionIdsWithChildren(Long regionId) {
+        List<Long> result = new ArrayList<>();
+        result.add(regionId);
+        
+        // 递归查询下级区域
+        List<PgRegion> children = regionMapper.selectList(
+            new LambdaQueryWrapper<PgRegion>().eq(PgRegion::getParentId, regionId)
+        );
+        for (PgRegion child : children) {
+            result.addAll(getRegionIdsWithChildren(child.getRegionId()));
+        }
+        
+        return result;
+    }
+
     @Override
     public List<SchoolTreeNode> selectSchoolTree(PgSchool school) {
         // 查询学校列表（使用带数据权限的查询方法）

frontend/src/views/business/school/components/SchoolDialog.vue

@@ -63,6 +63,26 @@
           inactive-text="停用"
         />
       </el-form-item>
+      <!-- 新增时显示年级选择区域 -->
+      <el-form-item v-if="!isEdit && gradeList.length > 0" label="初始年级">
+        <div class="grade-select-wrapper">
+          <el-checkbox-group v-model="selectedGradeIds">
+            <el-checkbox 
+              v-for="grade in gradeList" 
+              :key="grade.gradeId" 
+              :value="grade.gradeId"
+              :label="grade.gradeId"
+            >
+              {{ grade.gradeName }}
+            </el-checkbox>
+          </el-checkbox-group>
+          <div class="grade-tip">
+            <el-text type="info" size="small">
+              已选择 {{ selectedGradeIds.length }} 个年级，将在学校创建后自动添加
+            </el-text>
+          </div>
+        </div>
+      </el-form-item>
     </el-form>
     <template #footer>
       <el-button @click="dialogVisible = false">取消</el-button>
@@ -77,9 +97,10 @@
  * @author pangu
  */
 import { ElMessage } from 'element-plus'
-import { computed, ref, onMounted } from 'vue'
+import { computed, ref, watch } from 'vue'
 import { addSchool, updateSchool } from '@/api/pangu/school'
 import { deptTreeSelect } from '@/api/system/user'
+import request from '@/utils/request'
 
 // 接收父组件传递的区域树
 const props = defineProps({
@@ -99,6 +120,10 @@ const submitLoading = ref(false)
 const formRef = ref(null)
 const isEdit = ref(false)
 
+// 年级列表和选中的年级ID
+const gradeList = ref([])
+const selectedGradeIds = ref([])
+
 // 表单数据
 const form = ref({
   schoolId: null,
@@ -159,6 +184,51 @@ const handleRegionChange = (value) => {
   }
 }
 
+// 学校类型对应学段映射
+const getStagesBySchoolType = (schoolType) => {
+  const map = {
+    '1': ['1'],           // 小学
+    '2': ['2'],           // 初中
+    '3': ['3'],           // 高中
+    '4': ['1', '2'],      // 九年一贯制
+    '5': ['2', '3']       // 完全中学
+  }
+  return map[schoolType] || []
+}
+
+// 根据学校类型加载年级列表
+const loadGradesBySchoolType = async (schoolType) => {
+  const stages = getStagesBySchoolType(schoolType)
+  if (stages.length === 0) {
+    gradeList.value = []
+    selectedGradeIds.value = []
+    return
+  }
+  
+  try {
+    const res = await request.get('/business/grade/listAll', { 
+      params: { stages: stages.join(',') } 
+    })
+    if (res.code === 200) {
+      gradeList.value = res.data || []
+      // 默认全选
+      selectedGradeIds.value = gradeList.value.map(g => g.gradeId)
+    }
+  } catch (error) {
+    console.error('加载年级列表失败:', error)
+  }
+}
+
+// 监听学校类型变化，自动加载对应年级（仅新增模式）
+watch(() => form.value.schoolType, async (newType) => {
+  if (!isEdit.value && newType) {
+    await loadGradesBySchoolType(newType)
+  } else if (!newType) {
+    gradeList.value = []
+    selectedGradeIds.value = []
+  }
+})
+
 // 加载部门树
 const loadDeptTree = async () => {
   try {
@@ -208,6 +278,9 @@ const open = async (row, defaultRegionId = null) => {
       regionName: defaultRegionId ? getRegionPath(regionIds, props.regionTree) : '',
       status: '0'
     }
+    // 重置年级选择
+    gradeList.value = []
+    selectedGradeIds.value = []
   }
 }
 
@@ -246,7 +319,8 @@ const handleSubmit = async () => {
     try {
       const submitData = {
         ...form.value,
-        regionIds: undefined // 不提交级联选择器的数组
+        regionIds: undefined, // 不提交级联选择器的数组
+        gradeIds: isEdit.value ? undefined : selectedGradeIds.value // 新增时携带年级ID列表
       }
       
       const res = form.value.schoolId 
@@ -254,7 +328,11 @@ const handleSubmit = async () => {
         : await addSchool(submitData)
         
       if (res.code === 200) {
-        ElMessage.success(isEdit.value ? '修改成功' : '新增成功')
+        const gradeCount = selectedGradeIds.value.length
+        const msg = isEdit.value 
+          ? '修改成功' 
+          : (gradeCount > 0 ? `新增成功，已自动添加 ${gradeCount} 个年级` : '新增成功')
+        ElMessage.success(msg)
         dialogVisible.value = false
         emit('success')
       }
@@ -269,3 +347,16 @@ const handleSubmit = async () => {
 // 暴露方法给父组件
 defineExpose({ open })
 </script>
+
+<style scoped>
+.grade-select-wrapper {
+  width: 100%;
+}
+.grade-select-wrapper .el-checkbox {
+  margin-right: 16px;
+  margin-bottom: 8px;
+}
+.grade-tip {
+  margin-top: 8px;
+}
+</style>

frontend/src/views/business/school/index.vue

@@ -15,6 +15,7 @@
               :props="{ label: 'regionName', children: 'children' }"
               node-key="regionId"
               highlight-current
+              :default-expanded-keys="defaultExpandedKeys"
               :filter-node-method="filterNode"
               @node-click="handleNodeClick"
             />
@@ -140,6 +141,8 @@ const treeRef = ref()
 const treeFilterText = ref('')
 const regionTree = ref([])
 const selectedRegionId = ref(null)
+// 默认展开湖北省（regionId=42），只展开一级显示市级
+const defaultExpandedKeys = ref([42])
 
 // 表格相关
 const loading = ref(false)

scripts/sql/V1.0.5__clean_region_data.sql

@@ -0,0 +1,30 @@
+-- ================================================================
+-- V1.0.5 清理非湖北省区域数据
+-- 执行说明：先检查湖北省的region_id，确认为42后再执行删除
+-- 执行时间：需在业务低峰期执行
+-- ================================================================
+
+-- 0. 首先确认湖北省的region_id
+SELECT region_id, region_name, parent_id, ancestors FROM pg_region WHERE region_name = '湖北省';
+-- 预期结果：region_id = 42
+
+-- 1. 查看要删除的数据量（预检查，不会执行删除）
+SELECT COUNT(*) as '待删除的区域数量' FROM pg_region 
+WHERE region_id != 42 
+  AND ancestors NOT LIKE '0,42%';
+
+-- 2. 物理删除非湖北省的区域数据
+-- 删除所有ancestors不以"0,42"开头的区域（即非湖北省及其下级区域）
+-- 同时排除湖北省本身(region_id=42)
+DELETE FROM pg_region 
+WHERE region_id != 42 
+  AND ancestors NOT LIKE '0,42%';
+
+-- 3. 删除其他省份的根节点（parent_id = 0 且 region_id != 42）
+DELETE FROM pg_region 
+WHERE parent_id = 0 
+  AND region_id != 42;
+
+-- 4. 验证结果
+SELECT COUNT(*) as '剩余区域数量' FROM pg_region;
+SELECT region_name, level, COUNT(*) as '数量' FROM pg_region GROUP BY level, region_name LIMIT 20;