JAXB实现xml与对象互相转换

不需要引入任何外部jar包，JAXB自jdk1.5就已被集成，jdk1.7已升级为JAXB2。

1.xml报文

   
        2017-01-01T14:21:21
        epcc.201.001.01
        31310000001311
        11
        313100000013
        313100000013
        asdjjnfsaskjdjgf;lasnlfklsadfosadnfbjhsafnlsdbfsafntrgnidfnjkugfbgdlkgnui
   
   
       
            C1010411000013
            00
            130073386132613885
            02
            F93P72HCFR9M
       
        1
       
            C1010411000013
            282704424720582705
            [email protected]
            04
            CN
            110102
            06
            1D6AP1500
       
       
            1001278619005510977
            客户备付金
            C1010511003703
       
       
            20170518654321098765432100010205
            2017-05-19T01:18:23
            CNY175.19
            0110
            100002
            02
       
       
            20170518100615209112
            2|2|chd%07515|
            batpay
       
        B201705180016
        140.205.112.1|F0E1D2C3B4A5||||||
   

 2.利用trang.jar自动生成对应的javabean，trang.jar下载地址：https://download.csdn.net/download/shenszy/10673076，生成的javabean需更改注解并修改package-info.java文件。也可手写javabean。修改后对象及package-info.java文件见下方代码：

Root.java

@XmlRootElement(name = "root")
@XmlAccessorType(XmlAccessType.NONE)
public class Root {

    @XmlElement(name = "MsgHeader")
    private MsgHeader MsgHeader;

    @XmlElement(name = "MsgBody")
    private MsgBody MsgBody;

    //get,set省略……
}

MsgHeader.java

@XmlRootElement(name = "MsgHeader")
@XmlAccessorType(XmlAccessType.NONE)
public class MsgHeader {
    @XmlElement(name = "SndDt")
    private String sndDt;

    @XmlElement(name = "MsgTp")
    private String msgTp;

    @XmlElement(name = "IssrId")
    private String issrId;

    @XmlElement(name = "Drctn")
    private String drctn;

    @XmlElement(name = "SignSN")
    private String signSn;

    @XmlElement(name = "NcrptnSN")
    private String ncrptnSN;

    @XmlElement(name = "DgtlEnvlp")
    private String dgtlEnvlp;

    //get,set省略……
}

MsgBody.java

@XmlRootElement(name = "MsgBody")
@XmlAccessorType(XmlAccessType.NONE)
public class MsgBody {

    @XmlElement(name = "PyerInf")
    private PyerInf pyerInf;//付款方信息

    @XmlElement(name = "PyerTrxTrmNo")
    private String pyerTrxTrmNo;//收付标识，1：付款方，2-收款方

    @XmlElement(name = "PyeeInf")
    private PyeeInf pyeeInf;//收款方信息

    @XmlElement(name = "ResfdtInf")
    private ResfdtInf resfdtInf;//备付金信息

    @XmlElement(name = "TrxInf")
    private TrxInf trxInf;//交易信息

    @XmlElement(name = "OrdrInf")
    private OrdrInf ordrInf;//订单信息

    @XmlElement(name = "BatchId")
    private String batchId;//交易批次号

    @XmlElement(name = "TrxDevcInf")
    private String trxDevcInf;//交易设备信息

    //get,set省略……
}

PyerInf.java  ResfdtInf.java  TrxInf.java  OrdrInf.java注解与MsgHeader.java注解一样

 PyeeInf.java

@XmlRootElement(name = "PyeeInf")
@XmlAccessorType(XmlAccessType.NONE)
public class PyeeInf {

    @XmlElement(name = "PyeeAcctIssrId")
    private String pyeeAcctIssrId;

    @XmlElement(name = "PyeeAcctId")
    private String pyeeAcctId;

    @XmlElement(name = "PyeeAcctNm")
    private String pyeeAcctNm;

    @XmlElement(name = "PyeeAcctTp")
    private List pyeeAcctTp;//有多个同字段数据

    @XmlElement(name = "PyerTrxTrmTp")
    private String pyeeTrxTrmTp;

    @XmlElement(name = "PyerTrxTrmNo")
    private String pyeeTrxTrmNo;

    //get,set省略……
}

package-info.java  对命名空间及前缀进行处理

@XmlSchema(
        namespace = "urn:iso:std:iso:20022:tech:xsd:pacs.008.001.02",
        elementFormDefault = XmlNsForm.QUALIFIED,
        xmlns = {
                @XmlNs(namespaceURI = "urn:iso:std:iso:20022:tech:xsd:pacs.008.001.02", prefix = "")
        }
)
package com.example.webflux02.domain;

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

3.xml与对象互相转换

xml报文转对象

    /**
     *  解析xml报文，转化为对象
     * @param string xml报文
     * @return 对象
     */
    @PostMapping(value = "/message", consumes = "application/xml")
    public Root xmlToBean(@RequestBody String string) {
        Root rootInfo=new Root();
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(Root.class);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            rootInf=(Root)unmarshaller.unmarshal(new StringReader(string));
        } catch (JAXBException e) {
            e.printStackTrace();
        }
        return rootInf;
    }

xml文件转对象

    /**
     *  解析xml文件，转化为对象
     * @param string 文件路径
     * @return
     */
    @PostMapping(value = "/xmlByFile")
    public Root xmlToBeanByFile(@RequestBody String string) {
        Root rootInf=new Root();
        File file=new File(string);
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(Root.class);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            rootInf = (Root) unmarshaller.unmarshal(file);
        } catch (JAXBException e) {
            e.printStackTrace();
        }
        return rootInf;
    }

对象转xml文件和xml报文   默认报文头与要生成的报文头不相符，因此去掉

    /**
     *  将对象转化为xml文件及xml报文
     * @param rootInf
     * @return
     */
    @PostMapping("/beanToXml")
    public String beanToXml(@RequestBody RootInf rootInf) {
        String result = "";
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(RootInf.class);
            Marshaller marshaller = jaxbContext.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);//格式化输出
            marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");//编码格式
            marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);//去掉默认报文头
            StringWriter writer = new StringWriter();
            writer.write("");//重写报文头
            writer.write("\n");
            marshaller.marshal(rootInf, writer);
            result = writer.toString();
            //写入到xml文件中
            BufferedWriter bufferedWriter=new BufferedWriter(new FileWriter(new File("要写入的xml文件位置")));
            bufferedWriter.write(result);
            bufferedWriter.close();
        } catch (JAXBException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }

4.结果

xml转对象

{
    "msgBody": {
        "pyerInf": {
            "pyerAcctIssrId": "C1010411000013",
            "pyerAcctTp": "00",
            "sgnNo": "130073386132613885",
            "pyerTrxTrmTp": "02",
            "pyerTrxTrmNo": "F93P72HCFR9M"
        },
        "pyerTrxTrmNo": "1",
        "pyeeInf": {
            "pyeeAcctIssrId": "C1010411000013",
            "pyeeAcctId": "282704424720582705",
            "pyeeAcctNm": "[email protected]",
            "pyeeAcctTp": [
                "04",
                "CN",
                "110102"
            ],
            "pyeeTrxTrmTp": "06",
            "pyeeTrxTrmNo": "1D6AP1500"
        },
        "resfdtInf": {
            "instgAcctId": "1001278619005510977",
            "instgAcctNm": "客户备付金",
            "resfdAcctIssrId": "C1010511003703"
        },
        "trxInf": {
            "trxId": "20170518654321098765432100010205",
            "trxDtTm": "2017-05-19T01:18:23",
            "trxAmt": "CNY175.19",
            "trxCtgy": "0110",
            "bizTp": "100002",
            "acctInTp": "02"
        },
        "ordrInf": {
            "trxId": "20170518100615209112",
            "trxDtTm": "2|2|chd%07515|",
            "trxAmt": "batpay"
        },
        "batchId": "B201705180016",
        "trxDevcInf": "140.205.112.1|F0E1D2C3B4A5||||||"
    },
    "msgHeader": {
        "sndDt": "2017-01-01T14:21:21",
        "msgTp": "epcc.201.001.01",
        "issrId": "31310000001311",
        "drctn": "11",
        "signSn": "313100000013",
        "ncrptnSN": "313100000013",
        "dgtlEnvlp": "asdjjnfsaskjdjgf;lasnlfklsadfosadnfbjhsafnlsdbfsafntrgnidfnjkugfbgdlkgnui"
    }
}

对象转xml

 

   
        2017-01-01T14:21:21
        epcc.201.001.01
        31310000001311
        11
        313100000013
        313100000013
        asdjjnfsaskjdjgf;lasnlfklsadfosadnfbjhsafnlsdbfsafntrgnidfnjkugfbgdlkgnui
   
   
       
            C1010411000013
            00
            130073386132613885
            02
            F93P72HCFR9M
       
        1
       
            C1010411000013
            282704424720582705
            [email protected]
            04
            CN
            110102
            06
            1D6AP1500
       
       
            1001278619005510977
            客户备付金
            C1010511003703
       
       
            20170518654321098765432100010205
            2017-05-19T01:18:23
            CNY175.19
            0110
            100002
            02
       
       
            20170518100615209112
            2|2|chd%07515|
            batpay
       
        B201705180016
        140.205.112.1|F0E1D2C3B4A5||||||