使用JaxB获取解析XML的空响应

如何使用Jaxb解析XML

  <?xml version="1.0" encoding="utf-8"?>
    <string xmlns="http://www.xyz.in"><root><Del><NUMBER>13691991</NUMBER><PIECES>2</PIECES><SHEETNO>D1415/001005</SHEETNO></Del></root></string>

---

尝试创建以下类：

德尔班

类MyString

类根

文件包-info.java

**要测试的主类**

package jaxb;

import java.io.StringReader;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;

public class Main {

    public static void main(String[] args){
        try {
            String file = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" + 
            "<string xmlns=\"http://www.xyz.in\">\n" + 
            "   <root>\n" + 
            "       <Del>\n" + 
            "           <NUMBER>13691991</NUMBER>\n" + 
            "           <PIECES>2</PIECES>\n" + 
            "           <SHEETNO>D1415/001005</SHEETNO>\n" + 
            "       </Del>\n" + 
            "   </root>\n" + 
            "</string>";
            JAXBContext jaxbContext = JAXBContext.newInstance(MyString.class);
            Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            StringReader reader = new StringReader(file);
            MyString myString = (MyString)jaxbUnmarshaller.unmarshal(reader);
            System.out.println(myString);

        } catch (JAXBException e) {
            e.printStackTrace();
        }
    }
}

package jaxb;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement( name = "string")
public class MyString {
    @XmlElement(name = "root")
    private Root root;

    public MyString() {
        super();
    }

    public void setRoot(Root root) {
        this.root = root;
    }

    public Root getRoot() {
        return root;
    }
}   

package jaxb;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement( name = "root")
public class Root {
    @XmlElement(name = "Del")
    private Del del;

    public Root() {
        super();
    }

    public void setDel(Del del) {
        this.del = del;
    }

    public Del getDel() {
        return del;
    }
}  

@XmlSchema( namespace="http://www.xyz.in",  
            xmlns={ @XmlNs( prefix = "", namespaceURI = "http://www.xyz.in")},
                elementFormDefault = XmlNsForm.QUALIFIED)

package jaxb;

import javax.xml.bind.annotation.XmlNs;
import javax.xml.bind.annotation.XmlNsForm;
import javax.xml.bind.annotation.XmlSchema;

package jaxb;

import java.io.StringReader;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;

public class Main {

    public static void main(String[] args){
        try {
            String file = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" + 
            "<string xmlns=\"http://www.xyz.in\">\n" + 
            "   <root>\n" + 
            "       <Del>\n" + 
            "           <NUMBER>13691991</NUMBER>\n" + 
            "           <PIECES>2</PIECES>\n" + 
            "           <SHEETNO>D1415/001005</SHEETNO>\n" + 
            "       </Del>\n" + 
            "   </root>\n" + 
            "</string>";
            JAXBContext jaxbContext = JAXBContext.newInstance(MyString.class);
            Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            StringReader reader = new StringReader(file);
            MyString myString = (MyString)jaxbUnmarshaller.unmarshal(reader);
            System.out.println(myString);

        } catch (JAXBException e) {
            e.printStackTrace();
        }
    }
}