class UserProjectDao extends BaseDao {

    public int deleteByProjectAndUserIdS(Long projectId, Set<Long> userIds) throws SQLException {
        String sql = "DELETE FROM user_project WHERE project_id =  " + projectId + " and user_id in (" + StringUtil.joinCollectByComma(userIds) + ") ";
        return this.updataBysql(sql);
    }

}