code 5.10.2.xml

开发web_xml

<?xml version="1.0"?>
<!DOCTYPE DOCUMENT [
<!ELEMENT CUSTOMER (NAME, DATE, ORDERS)>
<!ELEMENT NAME (LASTNAME, FIRSTNAME)>
<!ELEMENT LASTNAME (#PCDATA)>
<!ELEMENT FIRSTNAME (#PCDATA)>
<!ELEMENT DATE (#PCDATA)>
<!ELEMENT ORDERS (ITEM)*>
<!ELEMENT ITEM (PRODUCT, NUMBER, PRICE)>
<!ELEMENT PRODUCT (#PCDATA)>
<!ELEMENT NUMBER (#PCDATA)>
<!ELEMENT PRICE (#PCDATA)>
]>
<DOCUMENT>
  <CUSTOMER>
   <NAME>
    <LASTNAME> Edwards </LASTNAME>
    <FIRSTNAME> Britta </FIRSTNAME>
    </NAME>
    <DATE> April 17, 1998 </DATE>
    <ORDERS>
    <ITEM>
    <PRODUCT>Cucumber </PRODUCT>
     <NUMBER> 5 </NUMBER>
     <PRICE> $ 1.25 </PRICE>
    </ITEM>
    <ITEM>
     <PRODUCT> Lettuce </PRODUCT>
     <NUMBER> 2 </NUMBER>
     <PRICE> $ .98 </PRICE>
     </ITEM>
     </ORDERS>
     </CUSTOMER>
 <CUSTOMER>
  <NAME>
  <LASTNAME> Thompson </LASTNAME>
  <FIRSTNAME> Phoebe </FIRSTNAME>
  </NAME>
  <DATE> May 27,1998 </DATE>
  <ORDERS>
  <ITEM>
   <PRODUCT> Banana </PRODUCT>
   <NUMBER> 12 </NUMBER>
  <PRICE> $2.95 </PRICE>
  </ITEM>
  <ITEM>
  <PRODUCT> Apple </PRODUCT>
  <NUMBER> 6 </NUMBER>
  <PRICE> $1.50 </PRICE>
  </ITEM>
  </ORDERS>
</CUSTOMER>
</DOCUMENT>