If the menu has been assigned, it cannot be deleted
**When deleting a menu in the project, it will prompt that there is a submenu (the menu has been assigned), and it is not allowed to delete, as follows:**  checked the source code:
public AjaxResult remove(@PathVariable("menuId") Long menuId){
if (menuService.selectCountMenuByParentId(menuId) > 0) {
return AjaxResult.warn("存在子菜单,不允许删除");
}
if (menuService.selectCountRoleMenuByMenuId(menuId) > 0) {
return AjaxResult.warn("菜单已分配,不允许删除");
}
return toAjax(menuService.deleteMenuById(menuId));
}
It is found that they are all related to role, how to solve this?
There is a role management module in the project, unlink the role associated with the menu to be deleted, and delete it again.
Role management is here:
