XML工具——xmlbeans的使用

一、安装xmlbeans

1.下载xmlbeans

下载地址：https://gitee.com/shizuru/xmlbeans-2.6.0

2.解压，此处以解压至D盘根目录为例

3.配置环境变量（路径不能有中文或空格）

（1）配置JAVA_HOME：D:\Java\jdk1.7.0_80

（2）配置XMLBEANS_HOME：D:\xmlbeans-2.6.0

（3）在path中添加%JAVA_HOME%\bin和%XMLBEANS_HOME%\bin

4.验检查安装结果

打开cmd输入scomp -version，如下即安装成功

二、编写XML Schema及其配置文件

2.1 XML Schema文件

XML Schema（后缀为.xsd）是基于XML的DTD替代者，可描述XML文档的结构。它定义了XML文件的结构和元素以及对元素和结构的约束。

以下述User.xml为例

 <?xml version="1.0" encoding="UTF-8"?>
 <user>
     <username></username>
     <password></password>
     <age></age>
     <addresses>
         <Chinese>
             <nationality></nationality>
             <cityProvince></cityProvince>
             <district></district>
             <address></address>
         </Chinese>
         <English>
             <nationality></nationality>
             <cityProvince></cityProvince>
             <district></district>
             <address></address>
         </English>
     </addresses>
 </user>

若要生成该结构的xml文件，则XML Schema文件应编写为

 <?xml version="1.0" encoding="UTF-8"?>
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
     <!-- 根节点user -->
     <xs:element name="user">
         <xs:complexType>
             <xs:sequence>
                 <!-- user子节点username 类型为String -->
                 <xs:element name="username" type="xs:string"/>
                 <!-- user子节点password 类型为String -->
                 <xs:element name="password" type="xs:string"/>
                 <!-- user子节点age 类型为BigDecimal(数字类型 不推荐使用 此处为举例) -->
                 <xs:element name="age" type="xs:decimal"/>
                 <!-- user子节点addresses 类型为自定义类型AddressesType -->
                 <xs:element name="addresses" type="AddressesType"/>
             </xs:sequence>
         </xs:complexType>
     </xs:element>
     <!-- 自定义类型AddressesType -->
     <xs:complexType name="AddressesType">
         <xs:sequence>
             <!-- addresses子节点Chinese 类型为自定义类型AddressType -->
             <xs:element name="Chinese" type="AddressType"/>
             <!-- addresses子节点English 类型为自定义类型AddressType -->
             <xs:element name="English" type="AddressType"/>
         </xs:sequence>
     </xs:complexType>
     <!-- 自定义类型AddressType -->
     <xs:complexType name="AddressType">
         <xs:sequence>
             <!-- address子节点nationality 类型为String类型 -->
             <xs:element name="nationality" type="xs:string"/>
             <!-- address子节点cityProvince 类型为String类型 -->
             <xs:element name="cityProvince" type="xs:string"/>
             <!-- address子节点district 类型为String类型 -->
             <xs:element name="district" type="xs:string"/>
             <!-- address子节点address 类型为String类型 -->
             <xs:element name="address" type="xs:string"/>
         </xs:sequence>
     </xs:complexType>
 </xs:schema>

2.2 配置文件

xsd配置文件（后缀为. xsdconfig）主要用来制定生成的Java Class的一些文件名规则和Package的名称

如下所示，生成的包名为com.xmlbeans

 <xb:config xmlns:xb="http://xml.apache.org/xmlbeans/2004/02/xbean/config">  

   <xb:namespace>
     <xb:package>com.xmlbeans</xb:package>
   </xb:namespace>  

 </xb:config>

三、生成jar包

以上编写的2个文件放置路径为D:/Java目录下

打开cmd，输入 scomp -out D:/Java/User.jar D:/Java/User.xsd -compiler D:/Java/jdk1.7.0_80/bin/javac D:/Java/User.xsdconfig

该命令的语法格式如下

scomp [options] [dirs]* [schemaFile.xsd]* [service.wsdl]* [config.xsdconfig]*

主要参数说明：

-src [dir]            -- 生成的Java Classes存放目录
-srconly              -- 不编译Java Classes,不产生Jar文件
-out [jarFileName]    -- 生成的Jar文件,缺省是xmltypes.jar
-compiler             -- Java编译器的路径,即Javac的位置
schemaFile.xsd        -- XML Schema文件位置
config.xsdconfig      -- xsdconfig文件的位置

因此，命令的意思为在D:/Java目录下生成User.jar，使用的XML Schema为D:/Java目录下的User.xsd，其配置文件为D:/Java目录下的User.xsdconfig，使用的编译器为D:/Java/jdk1.7.0_80/bin/javac

成功运行如下图所示

再次查看D:/Java目录，发现多了一个User.jar

四、构造xml文件

将生成的jar包导入项目，同时也需要依赖jar包xbean.jar，下载地址：https://gitee.com/shizuru/xmlbeans-2.6.0

编写构造类

 package com.xbean;

 import java.io.File;
 import java.io.IOException;
 import java.math.BigDecimal;

 import com.pojo.*;
 import com.xmlbeans.*;
 import com.xmlbeans.UserDocument.User;

 public class BuildXml {

     public static void main(String[] args) {

         UserBean userBean = getUser();

         //生成DOM对象
         UserDocument doc = UserDocument.Factory.newInstance();
         //生成根节点user
         User user = doc.addNewUser();

         //user子节点username
         user.setUsername(userBean.getUsername());
         //user子节点password
         user.setPassword(userBean.getPassword());
         //user子节点age
         user.setAge(userBean.getAge());

         //生成user子节点addresses
         AddressesType addresses = user.addNewAddresses();
         AddressesBean addressesBean = userBean.getAddresses();

         //生成addresses子节点chinese
         AddressType chinese = addresses.addNewChinese();
         AddressBean chineseAddress = addressesBean.getChinese();
         //chinese子节点nationality
         chinese.setNationality(chineseAddress.getNationality());
         //chinese子节点cityProvince
         chinese.setCityProvince(chineseAddress.getCityProvince());
         //chinese子节点district
         chinese.setDistrict(chineseAddress.getDistrict());
         //chinese子节点address
         chinese.setAddress(chineseAddress.getAddress());

         //生成addresses子节点english
         AddressType english = addresses.addNewEnglish();
         AddressBean englishAdress = addressesBean.getEnglish();
         //english子节点nationality
         english.setNationality(englishAdress.getNationality());
         //english子节点cityProvince
         english.setCityProvince(englishAdress.getCityProvince());
         //english子节点district
         english.setDistrict(englishAdress.getDistrict());
         //english子节点address
         english.setAddress(englishAdress.getAddress());

         //构造的xml文件
         File xml = new File("user.xml");
         try {
             //保存
             doc.save(xml);
         } catch (IOException e) {
             System.out.println("user.xml生成失败");
             e.printStackTrace();
         }
         System.out.println("user.xml生成结束");

     }

     /**
      * 模拟实际环境 生成获取UserBean实体类对象
      * @return user
      */
     public static UserBean getUser(){
         UserBean user = new UserBean();
         user.setUsername("张三");
         user.setPassword("123");
         user.setAge(new BigDecimal("20"));

         AddressBean chinese = new AddressBean();
         chinese.setNationality("中国");
         chinese.setCityProvince("浙江");
         chinese.setDistrict("杭州");
         chinese.setAddress("123456");

         AddressBean english = new AddressBean();
         english.setNationality("Chinese");
         english.setCityProvince("ZheJiang");
         english.setDistrict("HangZhou");
         english.setAddress("654321");

         AddressesBean addresses = new AddressesBean();
         addresses.setChinese(chinese);
         addresses.setEnglish(english);

         user.setAddresses(addresses);

         return user;
     }

 }

运行，结束后获得生成的user.xml文件

 <?xml version="1.0" encoding="UTF-8"?>
 <user>
     <username>张三</username>
     <password>123</password>
     <age>20</age>
     <addresses>
         <Chinese>
             <nationality>中国</nationality>
             <cityProvince>浙江</cityProvince>
             <district>杭州</district>
             <address>123456</address>
         </Chinese>
         <English>
             <nationality>Chinese</nationality>
             <cityProvince>ZheJiang</cityProvince>
             <district>HangZhou</district>
             <address>654321</address>
         </English>
     </addresses>
 </user>

五、解析xml文件

以四中构造获得的user.xml为例进行解析

编写解析类

 package com.xbean;

 import java.io.File;

 import com.pojo.AddressBean;
 import com.pojo.AddressesBean;
 import com.pojo.UserBean;
 import com.xmlbeans.AddressType;
 import com.xmlbeans.AddressesType;
 import com.xmlbeans.UserDocument;
 import com.xmlbeans.UserDocument.User;

 public class ParseXml {

     public static void main(String[] args) {
         //解析的xml文件
         File xml = new File("user.xml");
         UserBean user = parseXml(xml);

         System.out.println(user);
     }

     /**
      * 解析xml
      * @param xml文件
      * @return userBean
      */
     public static UserBean parseXml(File xml){
         UserBean userBean =  new UserBean();
         UserDocument doc = null;
         try {
             //解析xml获取DOM对象
             doc = UserDocument.Factory.parse(xml);
         } catch (Exception e) {
             System.out.println("解析异常");
             e.printStackTrace();
         }
         //获取根节点user
         User user = doc.getUser();

         //将xml中的值set进userBean对象中
         userBean.setUsername(user.getUsername());
         userBean.setPassword(user.getPassword());
         userBean.setAge(user.getAge());

         AddressesType addresses = user.getAddresses();
         AddressesBean addressesBean = userBean.getAddresses();

         AddressType chinese = addresses.getChinese();
         AddressBean chineseBean = addressesBean.getChinese();
         chineseBean.setNationality(chinese.getNationality());
         chineseBean.setCityProvince(chinese.getCityProvince());
         chineseBean.setDistrict(chinese.getDistrict());
         chineseBean.setAddress(chinese.getAddress());

         AddressType english = addresses.getEnglish();
         AddressBean englishBean = addressesBean.getEnglish();
         englishBean.setNationality(english.getNationality());
         englishBean.setCityProvince(english.getCityProvince());
         englishBean.setDistrict(english.getDistrict());
         englishBean.setAddress(english.getAddress());

         return userBean;
     }

 }

输出结果：UserBean [username=张三, password=123, age=20, addresses=AddressesBean [chinese=AddressBean [nationality=中国, cityProvince=浙江, district=杭州, address=123456], english=AddressBean [nationality=Chinese, cityProvince=ZheJiang, district=HangZhou, address=654321]]]

六、附录

6.1 项目结构

6.2 com.pojo下的类

 package com.pojo;

 public class AddressBean {
     /**
      * 国家
      */
     private String nationality = "";
     /**
      * 城市
      */
     private String cityProvince = "";
     /**
      * 市区
      */
     private String district = "";
     /**
      * 详细地址
      */
     private String address = "";

     public String getNationality() {
         return nationality;
     }
     public void setNationality(String nationality) {
         this.nationality = nationality;
     }
     public String getCityProvince() {
         return cityProvince;
     }
     public void setCityProvince(String cityProvince) {
         this.cityProvince = cityProvince;
     }
     public String getDistrict() {
         return district;
     }
     public void setDistrict(String district) {
         this.district = district;
     }
     public String getAddress() {
         return address;
     }
     public void setAddress(String address) {
         this.address = address;
     }

     @Override
     public String toString() {
         return "AddressBean [nationality=" + nationality + ", cityProvince="
                 + cityProvince + ", district=" + district + ", address="
                 + address + "]";
     }
 }

AddressBean.java

 package com.pojo;

 public class AddressesBean {
     /**
      * 中文地址
      */
     private AddressBean chinese = new AddressBean();
     /**
      * 英文地址
      */
     private AddressBean english = new AddressBean();

     public AddressBean getChinese() {
         return chinese;
     }
     public void setChinese(AddressBean chinese) {
         this.chinese = chinese;
     }
     public AddressBean getEnglish() {
         return english;
     }
     public void setEnglish(AddressBean english) {
         this.english = english;
     }

     @Override
     public String toString() {
         return "AddressesBean [chinese=" + chinese + ", english=" + english
                 + "]";
     }
 }

AddressesBean.java

 package com.pojo;

 import java.math.BigDecimal;

 public class UserBean {
     /**
      * 用户名
      */
     private String username = "";
     /**
      * 密码
      */
     private String password = "";
     /**
      * 年龄
      */
     private BigDecimal age = new BigDecimal("0");
     /**
      * 地址
      */
     private AddressesBean addresses = new AddressesBean();

     public String getUsername() {
         return username;
     }
     public void setUsername(String username) {
         this.username = username;
     }
     public String getPassword() {
         return password;
     }
     public void setPassword(String password) {
         this.password = password;
     }
     public BigDecimal getAge() {
         return age;
     }
     public void setAge(BigDecimal age) {
         this.age = age;
     }
     public AddressesBean getAddresses() {
         return addresses;
     }
     public void setAddresses(AddressesBean addresses) {
         this.addresses = addresses;
     }

     @Override
     public String toString() {
         return "UserBean [username=" + username + ", password=" + password
                 + ", age=" + age + ", addresses=" + addresses + "]";
     }
 }

UserBean.java

6.3 项目下载地址

https://gitee.com/shizuru/xmlbeans-2.6.0