trading.xsd

随书的代码

<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://namespaces.cafeconleche.org/xmljava/ch2/"
xmlns="http://namespaces.cafeconleche.org/xmljava/ch2/"
elementFormDefault="qualified">

  <xsd:element name="getQuote">
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element name="symbol" type="StockSymbol" 
                     maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>  
  </xsd:element>

  <xsd:simpleType name="StockSymbol">
    <xsd:restriction base="xsd:string">
      <!-- two to six upper case letters -->
      <xsd:pattern value="[A-Z][A-Z][A-Z]?[A-Z]?[A-Z]?[A-Z]?"/>
    </xsd:restriction>
  </xsd:simpleType>

</xsd:schema>