schema规范演示代码

测试类

import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.*;
import java.io.*;
import javax.xml.validation.*;
import javax.xml.transform.stream.StreamSource;

public class TestSchema {

	public static void main(String[] args) {
		File xsdfile = new File("order.xsd");
		File xmlfile = new File("orders.xml");
		Handler errorHandler = null;
		try {
			SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
			Schema schema = schemaFactory.newSchema(xsdfile);
			Validator validator = schema.newValidator();
			errorHandler = new Handler();
			validator.setErrorHandler(errorHandler);
			validator.validate(new StreamSource(xmlfile));
		}
		catch(Exception e) {
			System.out.print(e);
		}
		if(errorHandler.errorMessage == null)
			System.out.println("xml文件：" + xmlfile.getName() + "符合模式");
		else
			System.out.println("xml文件：" + xmlfile.getName() + "不符合模式");
	}

}

class Handler extends DefaultHandler{
	String errorMessage = null;
	public void error(SAXParseException e)throws SAXException{
		errorMessage = e.getMessage();
		int row = e.getLineNumber();
		int columns = e.getColumnNumber();
		System.out.println("一般错误" + errorMessage + "位置：" + row + "," + columns);
	}
	public void fatalError(SAXParseException e)throws SAXException{
		errorMessage = e.getMessage();
		int row = e.getLineNumber();
		int columns = e.getColumnNumber();
		System.out.println("致命错误" + errorMessage + "位置：" + row + "," + columns);
	}
}

schema解析代码

<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="orders">
	<xsd:complexType>
		<xsd:sequence>
			<xsd:element ref="order" minOccurs="1" maxOccurs="unbounded" />
		</xsd:sequence>
	</xsd:complexType>
</xsd:element>

<xsd:element name="order">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="orderDate" />
<xsd:element ref="shipTo" />
<xsd:element ref="items" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="items">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="item" minOccurs="1" maxOccurs="unbounded" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="shipTo">
<xsd:complexType>   

<xsd:sequence>
<xsd:element ref="name" />
<xsd:element ref="street" />
<xsd:element ref="city"  />
<xsd:element ref="state" />
<xsd:element ref="phone" />
</xsd:sequence>
<xsd:attribute name="country" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="item">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="productName"  />
<xsd:element ref="quantity"  />
<xsd:element ref="price"  />
<xsd:element ref="shipDate"  />
</xsd:sequence>
<xsd:attribute name="partNum" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="name">
<xsd:simpleType>                   
      <xsd:restriction base="xsd:string"> 
        <xsd:minLength value="0"/>     
        <xsd:maxLength value="50"/>    
      </xsd:restriction>  
    </xsd:simpleType> 
</xsd:element> 
<xsd:element name="street"/>
<xsd:element name="city">
<xsd:simpleType>                   
      <xsd:restriction base="xsd:string"> 
        <xsd:minLength value="0"/>     
        <xsd:maxLength value="50"/>    
      </xsd:restriction>  
    </xsd:simpleType> 
</xsd:element> 
<xsd:element name="state">
<xsd:simpleType>                   
      <xsd:restriction base="xsd:string"> 
        <xsd:minLength value="0"/>     
        <xsd:maxLength value="50"/>    
      </xsd:restriction>  
    </xsd:simpleType> 
</xsd:element> 
<xsd:element name="phone">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:pattern value="1[3-9]{1}[0-9]{9}"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="orderDate" type="xsd:date"/>

<xsd:element name="productName">
<xsd:simpleType>                   
      <xsd:restriction base="xsd:string"> 
        <xsd:minLength value="0"/>     
        <xsd:maxLength value="50"/>    
      </xsd:restriction>  
    </xsd:simpleType> 
</xsd:element> 

<xsd:element name="quantity">
<xsd:simpleType>                   
      <xsd:restriction base="xsd:integer"> 
        <xsd:minInclusive value="1"/>        
      </xsd:restriction>  
    </xsd:simpleType> 
</xsd:element>

<xsd:element name="price" type="xsd:double"/>

<xsd:element name="shipDate" type="xsd:date"/>
</xsd:schema>

xml文本内容

<?xml version="1.0" encoding="utf-8"?>
<orders
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceschemaLocation="order.xsd"> <!-- 所有订单信息 -->
	<order> <!-- 订单，至少包含1个订单 -->
		<orderDate>2018-05-20</orderDate><!--orderDate为日期型 -->
		<shipTo country="CN"><!-- 配送信息，country属性必须出现 -->
			<name>张三峰</name> <!-- 收件人，长度小于50 -->
			<street>市中区滨河路778号5+3大酒店</street> <!-- 县/区及街道地址 -->
			<city>乐山市</city> <!-- 市/区，长度小于50 -->
			<state>四川省</state> <!-- 省/自治区/直辖市，长度小于50 -->
			<phone>13999999999</phone> <!-- 联系电话，要求必须是1开头，后面第2位数字3-9，再后面是9个数字 -->
		</shipTo>
		<items> <!-- 商品列表，item应至少出现1次 -->
			<item partNum="872-AA"> <!-- 商品编号属性，必须有 -->
				<productName>香辣鸡翅</productName><!-- 商品名称，长度小于50 -->
				<quantity>1</quantity> <!-- 购买数量,至少是1 -->
				<price>18.95</price> <!-- 单价为浮点数，大于0.0 -->
				<shipDate>2018-05-21</shipDate> <!-- 配送日期 -->
			</item>
			<item partNum="926-AA">
				<productName>烧烤五花肉</productName>
				<quantity>20</quantity>
				<price>39.98</price>
				<shipDate>2018-05-20</shipDate>
			</item>
		</items>
	</order>
</orders><!-- 
xmlns="http://www.w3school.com.cn" 
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceschemaLocation="order.xsd" -->