批量更新数据BatchPreparedStatementSetter 7行求解释
/**
	 * 批量更新数据
	 *  
	 * @param forums
	 */
	public void addForums(final List<Forum> forums) {
		final String sql = "INSERT INTO t_forum(forum_name,forum_desc) VALUES(?,?)";
		jdbcTemplate.batchUpdate(sql, new BatchPreparedStatementSetter() {
			public int getBatchSize() {
				return forums.size();
			}
			public void setValues(PreparedStatement ps, int index)
					throws SQLException {
				Forum forum = forums.get(index);
				ps.setString(1, forum.getForumName());
				ps.setString(2, forum.getForumDesc());
			}
		});
	}
------解决方案--------------------
没有回复的帖是可以删除的