服务器之家：专注于服务器技术及软件下载分享
分类导航

PHP教程|ASP.NET教程|Java教程|ASP教程|编程技术|正则表达式|C/C++|IOS|C#|Swift|Android|VB|R语言|JavaScript|易语言|vb.net|

服务器之家 - 编程语言 - Java教程 - 使用JAXBContext轻松实现Java和xml的互相转换方式

使用JAXBContext轻松实现Java和xml的互相转换方式

2021-11-12 13:21它山之石,可以攻玉 Java教程

这篇文章主要介绍了依靠JAXBContext轻松实现Java和xml的互相转换方式，具有很好的参考价值，希望对大家有所帮助。如有错误或未考虑完全的地方，望不吝赐教

JAXBContext实现Java和xml的互相转换

类文件注解：@XmlRootElement不可缺少

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
<span style="font-size:14px;">@XmlRootElement
public class Man { 
    private String name; 
    private int age;
    public Student() { 
        super(); 
    }
    public Student(String name, int age) { 
        super(); 
        this.name = name; 
        this.age = age; 
    } 
    public String getName() { 
        return name; 
    } 
    public void setName(String name) { 
        this.name = name; 
    } 
    public int getAge() { 
        return age; 
    } 
    public void setAge(int age) { 
        this.age = age; 
    }  
}  </span>

Java 转换 Xml：

?
1
2
3
4
5
6
7
8
9
10
11
@Test
public void testJava2Xml(){ 
    try { 
        JAXBContext jc = JAXBContext.newInstance(Man.class); 
        Marshaller ms = jc.createMarshaller(); 
        Man man = new Man("man",100); 
        ms.marshal(man, System.out); 
    } catch (JAXBException e) { 
        e.printStackTrace(); 
    } 
}

Xml 转换 Java：

?
1
2
3
4
5
6
7
8
@Test
public void testXml2Java() throws JAXBException{ 
    String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><Man><age>100</age><name>man</name></Man>"; 
    JAXBContext jc = JAXBContext.newInstance(Man.class); 
    Unmarshaller unmar = jc.createUnmarshaller(); 
    Man man = (Man) unmar.unmarshal(new StringReader(xml)); 
    System.out.println(man.getName()); 
}

JAXBContext 解析 xml

前提：

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
package com.sgcc.load.vo;
import java.util.ArrayList;
import java.util.List;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
 
@XmlRootElement(name = "gldxresult")
@XmlAccessorType(XmlAccessType.FIELD)
public class XmlAnalysis { // 泛化, 聚合
    @XmlElement(name = "success")
    private String success;
    @XmlElement(name = "totalnum")
    private String totalnum;
 
    @XmlElement(name = "accounts")
    List<Accounts> accounts = new ArrayList<>();
    
    public List<Accounts> getAccounts() {
        return accounts;
    }
 
    public void setAccounts(List<Accounts> accounts) {
        this.accounts = accounts;
    }
 
    public String getSuccess() {
        return success;
    }
 
    public void setSuccess(String success) {
        this.success = success;
    }
 
    public String getTotalnum() {
        return totalnum;
    }
 
    public void setTotalnum(String totalnum) {
        this.totalnum = totalnum;
    } 
}
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
package com.sgcc.load.vo;
import java.util.ArrayList;
import java.util.List;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
@SuppressWarnings("serial")
@XmlAccessorType(XmlAccessType.FIELD)
public class Accounts extends ArrayList<Account>{
   
   @XmlElement(name = "account")
   public List<Account> getAccount() {
            return this;
   }  
}
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
package com.sgcc.load.vo;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
@XmlAccessorType(XmlAccessType.FIELD)
public class Account {
    @XmlElement(name = "seqid")
    private String seqid;
    @XmlElement(name = "dxid")
    private String dxid;
    @XmlElement(name = "compid")
    private String compid;
    @XmlElement(name = "rspcode")
    private String rspcode;
    @XmlElement(name = "code")
    private String code;
    @XmlElement(name = "name")
    private String name;     
   
    public String getSeqid() {
        return seqid;
    }
    public void setSeqid(String seqid) {
        this.seqid = seqid;
    }
    public String getDxid() {
        return dxid;
    }
    public void setDxid(String dxid) {
        this.dxid = dxid;
    }
    public String getCompid() {
        return compid;
    }
    public void setCompid(String compid) {
        this.compid = compid;
    }
    public String getRspcode() {
        return rspcode;
    }
    public void setRspcode(String rspcode) {
        this.rspcode = rspcode;
    }
    public String getCode() {
        return code;
    }
    public void setCode(String code) {
        this.code = code;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }     
}

测试：

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
package com.sgcc.load.test;
import java.io.StringReader;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import com.sgcc.load.vo.Accounts;
import com.sgcc.load.vo.XmlAnalysis;
import groovyjarjarcommonscli.ParseException;
public class Test {
    
    private static XmlAnalysis transToVOs(String webserviceMsg) throws JAXBException, ParseException {
        final StringReader reader = new StringReader(webserviceMsg);
        JAXBContext ctx=JAXBContext.newInstance(new XmlAnalysis().getClass());
        Unmarshaller um=ctx.createUnmarshaller();
        XmlAnalysis ds=(XmlAnalysis)um.unmarshal(reader);      
        return ds;
    }
    public static void main(String[] args) {
        String xmlMsg = "<?xml version=\"1.0\" encoding=\"GBK\"?> \n<gldxresult><success>0</success><totalnum>1</totalnum>"+
"<accounts><yzy>hahaha</yzy><account><seqid></seqid><dxid>1136005118</dxid><compid>0603</compid><rspcode>New0001</rspcode><rspmsg>值：00 没有匹配到分类</rspmsg>"+
"<code>EHBSXPZYFDC000</code><name>哈哈哈哈哈哈哈哈哈</name></account></accounts></gldxresult>";
        
        try{
            XmlAnalysis transToVOs = transToVOs(xmlMsg);
            for(int index = 0;index<transToVOs.getAccounts().get(0).getAccount().size();index++){
                System.out.println(transToVOs.getAccounts().get(0).getAccount().get(index).getName());
            }
        }catch(Exception e){
            e.printStackTrace();
        }
    }  
}

以上为个人经验，希望能给大家一个参考，也希望大家多多支持服务器之家。

原文链接：https://blog.csdn.net/y534560449/article/details/73250062

  • Java
  • XML
  • JAXBContext

    • 延伸 · 阅读

    精彩推荐
    最近更新
    编辑推荐
    阅读排行
    热门标签
    501 　 406 　 415 　 1433 　 2000 　 401 　 330 　 GOF23 　 new 　 newInstance 　 Hibernate 　 volatile 　 集合 　 spring 　 consul 　 critical 　 嵌套循环 　 注册服务 　 堆栈类 　 supplyAsync 　 遍历 　 设计模式 　 观察者模式 　 小数 　 JAVA8 　 写入文件 　 回车 　 制表符 　 排列组合 　 Java 　
    © 2019-2023 服务器之家(www.zzvips.com) 版权所有关于我们联系我们版权申明网站地图