a example

1.author.dtd









2.book.dtd







3.publisher.dtd







4.all.dtd



%author;

%book;

%publisher;


5.bookxml.xml


   
        dingyuechao
        man
        [e-mail]
   
   
        gongtao
        man
   



6.boolxml1.xml


   
        jisuanji
        19.7
   
   
        powerbuilder
        48.0   
   



7.book2.xml


   
        gaojiao
       

beijing55hao

   
   
        tiedaochubanshe
       

chinaxuanwu8hao

   


8.main.xml

   
   
   
]>

&authors;
&books;
&publishers;



结果：

xml version="1.0" encoding="UTF-8" standalone="no" ?>

  (View Source for full doctype...)>

- <volume>

- <authors>

- <author id="a0001" ISBN="ISBN7-04-014768-8">

  <a_name>dingyuechaoa_name>

  <sex>mansex>

  <email>[e-mail]>

  author>

- <author id="a0002" ISBN="ISBN7-04-014768-2">

  <a_name>gongtaoa_name>

  <sex>mansex>

  author>

  authors>

- <books>

- <book ISBN="ISBN7-04-014768-8">

  <b_name>jisuanjib_name>

  <price>19.7price>

  book>

- <book ISBN="ISBN7-04-014768-2">

  <b_name>powerbuilderb_name>

  <price>48.0price>

  book>

  books>

- <publishers>

- <publisher ISBN="ISBN7-04-014768-8">

  <p_name>gaojiaop_name>

  <address>beijing55haoaddress>

  publisher>

- <publisher ISBN="ISBN7-04-014768-2">

  <p_name>tiedaochubanshep_name>

  <address>chinaxuanwu8haoaddress>

  publisher>

  publishers>

  volume>

注：在xmlspy2006汉化版中，会出现问题
" 该文件不具有良好格式
DOCTYPE-ExteRnalID名称必须既是SYSTEM又是PUBLIC"

版本的问题，其实并没有错误，换成英文版就ok了。

只是一个演示例子。