fix: 优化角色删除校验和逻辑

xymanager_service/src/main/java/com/shxy/xymanager_service/impl/RoleServiceImpl.java

@@ -22,6 +22,10 @@ public class RoleServiceImpl implements RoleService {
 
     @Resource
     TbRoleMapper roleMapper;
+    @Resource
+    TbRoleResourceMapper roleResourceMapper;
+    @Resource
+    SysUserDao sysUserDao;
 
 
     @Override
@@ -77,7 +81,21 @@ public class RoleServiceImpl implements RoleService {
         if (id == SUPER_ADMIN) {
             throw new ApiException("不能删除" + SUPER_ADMIN_NAME);
         }
+
+        SysUserExample example = new SysUserExample();
+        SysUserExample.Criteria criteria = example.createCriteria();
+        criteria.andRoleEqualTo(id);
+        long count = sysUserDao.countByExample(example);
+        if (count > 0) {
+            throw new ApiException("该角色已被" + count + "个用户使用不能删除");
+        }
+
         roleMapper.deleteByPrimaryKey(id);
+
+        TbRoleResourceExample resourceExample = new TbRoleResourceExample();
+        TbRoleResourceExample.Criteria resourceExampleCriteria = resourceExample.createCriteria();
+        resourceExampleCriteria.andRoleIdEqualTo(id);
+        roleResourceMapper.deleteByExample(resourceExample);
     }
 
 }