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Oracle xml 转换

Jun 07, 2016 pm 04:22 PM
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select * from pdpla_approve_proj; create or replace procedure proj_xml(st_id varchar2) is pro_rows pdpla_approve_proj%rowtype;--行游标 tempsql varchar2(100) :='select * from pdpla_approve_proj where st_id='''||st_id||'''';-- type cur is re

   select * from pdpla_approve_proj;

  create or replace procedure proj_xml(st_id varchar2)

  is

  pro_rows pdpla_approve_proj%rowtype;--行游标

  tempsql varchar2(100) :='select * from pdpla_approve_proj where st_id='''||st_id||'''';--

  type cur is ref cursor;--自定义游标

  proj_cur cur ;--自定义游标实例

  doc xmldom.DOMDocument := xmldom.newDOMDocument;--文档对象

  doc_node xmldom.DOMNode := xmldom.makeNode(doc);--文档节点

  root_ele xmldom.DOMElement := xmldom.createElement(doc,'root');--文档根元素

  st_pro_ele xmldom.DOMElement;

  project_ele xmldom.DOMElement;

  st_pro_node xmldom.DOMNode;

  root_node xmldom.DOMNode;

  project_node xmldom.DOMNode;

  t_node xmldom.DOMNode;

  cnt number :=1;

  buf varchar2(1000);

  begin

  dbms_output.put_line('tempsql'||tempsql);

  root_node := xmldom.appendChild(doc_node,xmldom.makeNode(root_ele));

  xmldom.setAttribute(root_ele,'id',st_id);

  open proj_cur for tempsql;--打开游标

  loop

  fetch proj_cur into pro_rows;

  exit when proj_cur%notfound;

  project_ele := xmldom.createElement(doc,'project');

  project_node := xmldom.appendChild(root_node,xmldom.makeNode(project_ele));

  st_pro_ele := xmldom.createElement(doc,'st_pro_id');

  st_pro_node := xmldom.appendChild(project_node,xmldom.makeNode(st_pro_ele));

  t_node := xmldom.appendChild(st_pro_node,xmldom.makeNode(xmldom.createTextNode(doc,pro_rows.st_project_id)));

  st_pro_ele := xmldom.createElement(doc,'st_info_type');

  st_pro_node := xmldom.appendChild(project_node,xmldom.makeNode(st_pro_ele));

  t_node := xmldom.appendChild(st_pro_node,xmldom.makeNode(xmldom.createTextNode(doc,pro_rows.st_info_type)));

  cnt :=cnt+1;

  end loop;

  close proj_cur;

  xmldom.writeToBuffer(doc,buf);

  xmldom.freeDocument(doc);

  dbms_output.put_line('cnt'||cnt);

  dbms_output.put_line('doc'||buf);

  exception

  when others then

  dbms_output.put_line('sqlerrm'||sqlerrm);

  end;

  create or replace procedure p_parse (ID in varchar2) is--创建xml解析器实例xmlparser.ParserxmlPar xmlparser.Parser :=xmlparser.newParser;--定义DOM文档xDoc xmldom.DOMDocument;--定义DATA子节点数目变量lenItme integer;--定义节点列表,存放DATA节点们itemNodes xmldom.DOMNodeList;--定义节点列表,,存放DATA子节点们childNodes xmldom.DOMNodeList;--定义节点,存放单个DATA节点itemNode xmldom.DOMNode;--定义属性变量,存放节点属性itemArrMap xmldom.DOMNamedNodeMap;--定义其他变量,存放子节点的值name varchar(100);value varchar(100);newid NUMBER(10);--定义clob变量,存放xml字符串para_namexmlStr clob;begin for cur in (select t.xml_data para_name ,t.id from xmldata t where t.id=ID ) --从xmldata表中查询数据,id不是唯一标识,一个id可查出多条数据(XML中多条数据),故用loop循环 loop --获取para_name中的xml字符串 xmlStr:=cur.para_name; xmlPar :=xmlparser.newParser; --解析xmlStr中xml字符串,并存放到xmlPar中 xmlparser.parseClob(xmlPar, xmlStr); --将xmlPar中的数据转存到dom文档中 xDoc:=xmlparser.getDocument(xmlPar); xmlparser.freeParser(xmlPar); --释放解析器实例 --获取所有DATA节点 itemNodes:=xmldom.getElementsByTagName(xDoc,'DATA'); --获取DATA节点的个数 lenItme :=xmldom.getLength(itemNodes); --遍历所有的DATA节点 for i in 0..lenItme-1 loop begin --获取节点列表中的第i个DATA节点 itemNode:=xmldom.item(itemNodes,i); --获取第i个DATA节点的所有子节点 childNodes:=xmldom.getChildNodes(itemNode); --获取所有子节点的值 newid:=xmldom.getNodeValue(xmldom.getFirstChild(xmldom.item(childNodes,0))); name:=xmldom.getNodeValue(xmldom.getFirstChild(xmldom.item(childNodes,1))); value:=xmldom.getNodeValue(xmldom.getFirstChild(xmldom.item(childNodes,2))); --将子节点的值newid,name,value存放到xmltest insert into xmltest values(newid,name,value); commit; end; end loop; end loop; --是否dom文档 xmldom.freeDocument(xDoc); --异常和错误处理 EXCEPTION WHEN OTHERS THEN DBMS_output.PUT_LINE(SQLERRM);end p_parse;

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