hibernate 执行存储过程 方法

private SessionFactory sessionFactory;

    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    /**
     * 通过SQL执行无返回结果的存储过程(仅限于存储过程)
     * 
     * @param queryString
     * @param params
     */
    public void executeVoidProcedureSql(final String queryString, final Object[] params) throws Exception {
        Session session = sessionFactory.getCurrentSession();
        session.doWork(new Work() {
            public void execute(Connection conn) throws SQLException {
                ResultSet rs = null;
                CallableStatement call = conn.prepareCall("{" + queryString + "}");
                if (null != params) {
                    for (int i = 0; i < params.length; i++) {
                        call.setObject(i + 1, params[i]);
                    }
                }
                rs = call.executeQuery();
                call.close();
                rs.close();
            }
        });
    }

    /**
     * 通过存储过程查询(单结果集)
     * 
     * @param sql
     *            查询sql
     * @param params
     *            参数
     * @param columnNum
     *            返回的列数
     * @return
     */
    public List<Map<String, Object>> find_procedure(final String sql, final Object[] params) throws Exception {
        final List<Map<String, Object>> result = new ArrayList<Map<String, Object>>();
        try {
            Session session = sessionFactory.getCurrentSession();
            session.doWork(new Work() {
                public void execute(Connection conn) throws SQLException {
                    CallableStatement cs = null;
                    ResultSet rs = null;
                    cs = conn.prepareCall(sql);
                    for (int i = 1; i <= params.length; i++) {
                        cs.setObject(i, params[i - 1]);// 设置参数
                    }
                    rs = cs.executeQuery();
                    ResultSetMetaData metaData = rs.getMetaData();
                    int colCount = metaData.getColumnCount();
                    while (rs.next()) {
                        Map<String, Object> map = new HashMap<String, Object>();
                        for (int i = 1; i <= colCount; i++) {
                            String colName = metaData.getColumnName(i);
                            map.put(colName, rs.getObject(colName));
                        }
                        result.add(map);
                    }
                    close(cs, rs);
                }
            });
            return result;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 通过存储过程查询(多结果集)
     * 
     * @param sql
     *            查询sql
     * @param params
     *            参数
     * @param columnNum
     *            返回的列数
     * @return
     */
    public List<List<Map<String, Object>>> find_procedure_multi(final String sql, final Object[] params) throws Exception {
        final List<List<Map<String, Object>>> result = new ArrayList<List<Map<String, Object>>>();
        try {
            // conn =
            // SessionFactoryUtils.getDataSource(sessionFactory).getConnection();
            Session session = sessionFactory.getCurrentSession();
            session.doWork(new Work() {
                public void execute(Connection conn) throws SQLException {
                    CallableStatement cs = null;
                    ResultSet rs = null;
                    cs = conn.prepareCall(sql);
                    for (int i = 1; i <= params.length; i++) {
                        cs.setObject(i, params[i - 1]);
                    }
                    boolean hadResults = cs.execute();
                    ResultSetMetaData metaData = null;
                    while (hadResults) {// 遍历结果集
                        List<Map<String, Object>> rsList = new ArrayList<Map<String, Object>>();// 用于装该结果集的内容
                        rs = cs.getResultSet();// 获取当前结果集
                        metaData = rs.getMetaData();
                        int colCount = metaData.getColumnCount();// 获取当前结果集的列数
                        while (rs.next()) {
                            Map<String, Object> map = new HashMap<String, Object>();
                            for (int i = 1; i <= colCount; i++) {
                                String colName = metaData.getColumnName(i);
                                map.put(colName, rs.getObject(colName));
                            }
                            rsList.add(map);
                        }
                        result.add(rsList);
                        close(null, rs);// 遍历完一个结果集，将其关闭
                        hadResults = cs.getMoreResults();// 移到下一个结果集
                    }
                    close(cs, rs);
                }
            });
            return result;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    private void close(CallableStatement cs, ResultSet rs) {
        try {
            if (cs != null) {
                cs.close();
            }
            if (rs != null) {
                rs.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }