修改上级部门（选择项排除本身和下级）

ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDeptController.java

@@ -1,6 +1,8 @@
 package com.ruoyi.project.system.controller;
 
+import java.util.Iterator;
 import java.util.List;
+import org.apache.commons.lang3.ArrayUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
@@ -45,6 +47,27 @@ public class SysDeptController extends BaseController
         return AjaxResult.success(depts);
     }
 
+    /**
+     * 查询部门列表（排除节点）
+     */
+    @PreAuthorize("@ss.hasPermi('system:dept:list')")
+    @GetMapping("/list/exclude/{deptId}")
+    public AjaxResult excludeChild(@PathVariable(value = "deptId", required = false) Long deptId)
+    {
+        List<SysDept> depts = deptService.selectDeptList(new SysDept());
+        Iterator<SysDept> it = depts.iterator();
+        while (it.hasNext())
+        {
+            SysDept d = (SysDept) it.next();
+            if (d.getDeptId().intValue() == deptId
+                    || ArrayUtils.contains(StringUtils.split(d.getAncestors(), ","), deptId + ""))
+            {
+                it.remove();
+            }
+        }
+        return AjaxResult.success(depts);
+    }
+
     /**
      * 根据部门编号获取详细信息
      */