Oracle xmltype解决方案

/* Formatted on 2016/5/23 13:58:17 (QP5 v5.256.13226.35538) */

DELETE FROM s_org

      WHERE sog_id = 0;

--数据准备

INSERT INTO s_org (sog_id, sog_remark)

     VALUES (0, xmltype ('<?xml version="1.0" encoding="UTF-8"?>

<root>

    <cont>

        <username>twb0</username>

        <atime>2016-05-20 16:30:00</atime>

        <detail>xxxxx0</detail>

    </cont>

    <cont>

        <username>twb1</username>

        <atime>2016-05-21 16:30:00</atime>

        <detail>xxxxx1</detail>

    </cont>

    <cont>

        <username>twb2</username>

        <atime>2016-05-22 16:30:00</atime>

        <detail>xxxxx2</detail>

    </cont>

</root>'));

--查询出某个节点的所有数据

SELECT XMLQUERY ('/root/cont/username'

                 PASSING t.sog_remark RETURNING CONTENT)

  FROM s_org t

 WHERE t.sog_id = 0;

--以列表方式显示节点数据

  SELECT t.sog_id,

         x.username,

         x.detail,

         TO_DATE (x.atime, 'yyyy-mm-dd hh24:Mi:ss') replyTime

    FROM s_org t,

         XMLTABLE (

            '/root/cont'

            PASSING t.sog_remark

            COLUMNS username VARCHAR2 (40) PATH 'username',

                    detail VARCHAR2 (200) PATH 'detail',

                    atime VARCHAR2 (19) PATH 'atime') x

   WHERE T.SOG_ID = 0 AND XMLEXISTS ('/root/cont' PASSING t.sog_remark)

ORDER BY replytime DESC;

--检索某个节点的数据

  SELECT t.sog_id, x.*

    FROM s_org t,

         XMLTABLE (

            '/root/cont'

            PASSING t.sog_remark

            COLUMNS username VARCHAR (40) PATH 'username',

                    detail VARCHAR (200) PATH 'detail',

                    atime VARCHAR2 (19) PATH 'atime') x

   WHERE T.SOG_ID = 0 AND x.username = 'twb0';

--增加节点

UPDATE s_org t

   SET t.sog_remark =

          INSERTCHILDXML (

             t.sog_remark,

             '/root',

             'cont',

             xmltype (

                '<cont><username>twb3</username><detail>xxxxx3</detail><atime>2016-05-25 16:30:00</atime></cont>'))

 WHERE T.SOG_ID = 0;

UPDATE s_org t

   SET T.SOG_REMARK =

          APPENDCHILDXML (

             t.sog_remark,

             '/root',

             xmltype (

                '<cont><username>twb3</username><detail>xxxxx3</detail><atime>2016-05-24 16:30:00</atime></cont>'))

 WHERE T.SOG_ID = 0;

--修改某个节点数据

UPDATE s_org t

   SET t.sog_remark =

          UPDATEXML (t.sog_remark,

                     '/root/cont/username[text()="twb3"]/text()',

                     'testname')

 WHERE     T.SOG_ID = 0

       AND XMLEXISTS ('/root/cont/username[text()="twb3"]'

                      PASSING t.sog_remark);

--删除指定的节点

UPDATE s_org t

   SET T.SOG_REMARK =

          DELETEXML (t.sog_remark,

                     '/root/cont[username="testname"]')

 WHERE     T.SOG_ID = 0

       AND XMLEXISTS ('/root/cont/username[text()="testname"]'

                      PASSING t.sog_remark);

SELECT t.sog_id, t.sog_remark

  FROM s_org t

 WHERE t.sog_id = 0;