Permission management - role assignment menu

    //========================= Assign a menu to a role ======================= Is to add data to the intermediary table 
    @Override
    public void saveRolePermissionRealtionShipGuli(String roleId, String[] permissionIds) {
        //roleId role id
        //permissionId menu id  Array form 
// A role has multiple menus , Finally, it is added in batch in the form of a set .
        //1  establish list aggregate , Used to encapsulate and add data 
        List<RolePermission> rolePermissionList = new ArrayList<>();
        // Traverse all menu arrays 
        for(String perId : permissionIds) {
            //RolePermission object 
            RolePermission rolePermission = new RolePermission();
            rolePermission.setRoleId(roleId);
            rolePermission.setPermissionId(perId);
            // Package to list aggregate , Add one by one 
            rolePermissionList.add(rolePermission);
        }
        // Add to role menu relationship table , Batch addition 
        rolePermissionService.saveBatch(rolePermissionList);
    }