XML文件基础，DTD校验文件编写，Schema文件的简单使用

Bertha 。 2021-12-15 09:05 294阅读 0赞

dtd

<!ELEMENT students (student+,cat*) >
        <!ELEMENT student (name,age,sex,birth,phone*,email?,student?) >
        <!ELEMENT email EMPTY>
        <!ELEMENT phone (#PCDATA)>
        <!ATTLIST sex value (男|女|保密) "男">
        
        <!ATTLIST student stuNO ID #IMPLIED>
        <!ATTLIST email value CDATA #IMPLIED>

xml

<?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE students SYSTEM "student.dtd">
    <students>
        <student stuNO="STU0001">
            <name>关羽</name>
            <age>20</age>
            <sex>男</sex>
            <birth>1988-10-29</birth>
            <email value="guanyu@qq.com" />
            <student stuNO="SUT11001">
                <name>关羽</name>
                <age>20</age>
                <sex value="女">男</sex>
                <birth>1988-10-29</birth>
                <email value="guanyu@qq.com" />
            </student>
        </student>
    
        <student stuNO="STU0002">
            <name>李四</name>
            <age>20</age>
            <sex>男</sex>
            <birth>1988-10-29</birth>
            <phone>123332</phone>
            <email value="guanyu@qq.com" ></email>
        </student>
    
        <student stuNO="STU0003">
            <name>貂蝉</name>
            <age>20</age>
            <sex>女</sex>
            <birth>1988-10-29</birth>
            <phone>123332</phone>
            <phone>123332</phone>
            
        </student>
    
        <cat>
            <sex>母</sex>
            <age>3</age>
            <name>喵喵</name>
        </cat>
        <cat>
            <sex>母</sex>
            <age>3</age>
            <name>喵喵</name>
        </cat>
    </students>

schema

<?xml version="1.0"?>
    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        targetNamespace="abc" xmlns="abc" elementFormDefault="qualified">
        
        <xsd:element name="note">
            
            <xsd:complexType>
                <xsd:sequence>
                    <xsd:element name="to">
                        <xsd:complexType mixed="true">
                            <xsd:sequence minOccurs="1" maxOccurs="unbounded">
                                <xsd:element name="content" type="xsd:string" />
                            </xsd:sequence>
                            <xsd:attribute name="two" type="xsd:string" use="required" />
                        </xsd:complexType>
                    </xsd:element>
                    <xsd:element name="from" type="xsd:string" />
                    <xsd:element name="heading" type="xsd:string" />
                    <xsd:element name="body" type="xsd:string" />
                    <xsd:element name="age" type="xsd:integer" />
                    <xsd:element name="birth" type="xsd:date" />
                    <xsd:element name="sex">
                        <xsd:simpleType>
                            <xsd:restriction base="xsd:string">
                                <xsd:enumeration value="男" />
                                <xsd:enumeration value="女" />
                                <xsd:enumeration value="人妖" />
                            </xsd:restriction>
                        </xsd:simpleType>
                    </xsd:element>
                    <xsd:element name="weight" type="xsd:decimal" />
                </xsd:sequence>
                <xsd:attribute name="one" type="xsd:string" use="required" />
            </xsd:complexType>
        </xsd:element>
    </xsd:schema>

xml

<?xml version="1.0"  encoding="UTF-8" ?>
    <note xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns="abc"
          xsi:schemaLocation="abc note.xsd" one="属于note">
          
        <to two="to的属性">
            <content>fdsf</content>
            <content>fdsf</content>
            <content>fsdf</content>
        </to>
        <from>John</from>
        <heading>Reminder</heading>
        <body>Don't forget the meeting!</body>
        <age>20</age>
        <birth>1988-10-23</birth>
        <sex>人妖</sex>
        <weight>75</weight>
    </note>

转载于:https://www.cnblogs.com/sunBinary/p/10611031.html