mybatis springjdbc 插入数据获取主键

<insert id="add" parameterType="vo.Category" useGeneratedKeys="true" keyProperty="id">

insert into category (name_zh, parent_id,

show_order, delete_status, description

)

values (#{nameZh,jdbcType=VARCHAR},

#{parentId,jdbcType=SMALLINT},

#{showOrder,jdbcType=SMALLINT},

#{deleteStatus,jdbcType=BIT},

#{description,jdbcType=VARCHAR}

)

</insert>



或



<insert id="add" parameterType="vo.Category">
<selectKey resultType="java.lang.Short" order="AFTER" keyProperty="id">
SELECT LAST_INSERT_ID() AS id
</selectKey>
insert into category (name_zh, parent_id,
show_order, delete_status, description
)
values (#{nameZh,jdbcType=VARCHAR},
#{parentId,jdbcType=SMALLINT},
#{showOrder,jdbcType=SMALLINT},
#{deleteStatus,jdbcType=BIT},
#{description,jdbcType=VARCHAR}
)
</insert>

	/**
	 * 增加并且获取主键
	 * @param sql sql语句
	 * @param params 参数
	 * @return 主键
	 */
	public  Long insertAndGetKey(final String sql, final SmsBean smsbean) {
		KeyHolder keyHolder = new GeneratedKeyHolder();
		jdbcTemplate.update(new PreparedStatementCreator() {
			public PreparedStatement createPreparedStatement(Connection connection) throws SQLException {
				
				//String sql_sms = "insert into  sms(title,content,date_s,form,sffs,by1,by2,by3) values (?,?,'"+dates+"',?,?,?,?,?)"; 
                PreparedStatement ps = connection.prepareStatement(sql,Statement.RETURN_GENERATED_KEYS);
                ps.setString(1, smsbean.getTitle());
                ps.setString(2, smsbean.getContent());
                ps.setString(3, smsbean.getForm());
                ps.setString(4, smsbean.getSffs());
                /*
				 * by1 存放的是 草稿主人的ID
				 * 当消息为发送。清楚by1的ID   
				 */	
                ps.setString(5, "");
                ps.setString(6, smsbean.getBy2());
                ps.setString(7, smsbean.getBy3());
                return ps;
			}
		}, keyHolder);
		
		Long generatedId = keyHolder.getKey().longValue(); 
		return generatedId;
	}

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