From a9f57646fae0472458830ae72b5ed2525b051e59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A5=9E=E7=A0=81-=E6=96=B9=E6=99=93=E8=BE=89?=
 <fangxh2013@qq.com>
Date: Mon, 2 Feb 2026 19:44:41 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=B7=BB=E5=8A=A0=E5=AD=A6=E7=94=9F?=
 =?UTF-8?q?=E7=AE=A1=E7=90=86=E5=AD=A6=E6=A0=A1=E6=A0=91=E6=8E=A5=E5=8F=A3?=
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前端调用 /business/student/schoolTree 接口获取学校树结构，
但后端缺失此接口导致路径匹配到 /{studentId} 引发类型转换错误。
---
 .../student/controller/PgStudentController.java    | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/backend/ruoyi-modules/pangu-business/src/main/java/org/dromara/pangu/student/controller/PgStudentController.java b/backend/ruoyi-modules/pangu-business/src/main/java/org/dromara/pangu/student/controller/PgStudentController.java
index 96593b3..20753c1 100644
--- a/backend/ruoyi-modules/pangu-business/src/main/java/org/dromara/pangu/student/controller/PgStudentController.java
+++ b/backend/ruoyi-modules/pangu-business/src/main/java/org/dromara/pangu/student/controller/PgStudentController.java
@@ -8,11 +8,16 @@ import org.dromara.common.log.enums.BusinessType;
 import org.dromara.common.mybatis.core.page.PageQuery;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
 import org.dromara.common.web.core.BaseController;
+import org.dromara.pangu.school.domain.PgSchool;
+import org.dromara.pangu.school.domain.vo.SchoolTreeNode;
+import org.dromara.pangu.school.service.IPgSchoolService;
 import org.dromara.pangu.student.domain.PgStudent;
 import org.dromara.pangu.student.service.IPgStudentService;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 /**
  * 学生管理
  *
@@ -25,6 +30,7 @@ import org.springframework.web.bind.annotation.*;
 public class PgStudentController extends BaseController {
 
     private final IPgStudentService studentService;
+    private final IPgSchoolService schoolService;
 
     @SaCheckPermission("business:student:list")
     @GetMapping("/list")
@@ -32,6 +38,14 @@ public class PgStudentController extends BaseController {
         return studentService.selectPageList(student, pageQuery);
     }
 
+    /**
+     * 获取学校树结构（用于学生管理左侧筛选）
+     */
+    @GetMapping("/schoolTree")
+    public R<List<SchoolTreeNode>> schoolTree() {
+        return R.ok(schoolService.selectSchoolTree(new PgSchool()));
+    }
+
     @SaCheckPermission("business:student:query")
     @GetMapping("/{studentId}")
     public R<PgStudent> getInfo(@PathVariable Long studentId) {