@Override
public void deleteByRoleIdAndPrivId(Long roleId, Long privId)
{
RolePrivilegeCriteria rpCriteria = new RolePrivilegeCriteria();
Criteria criteria = rpCriteria.createCriteria();
criteria.andRoleIdEqualTo(roleId);
criteria.andPrivIdEqualTo(privId);
rolePrivilegeMapper.deleteByCriteria(rpCriteria);
}