XmlUtil

import java.io.StringReader;
import java.io.StringWriter;

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

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;



public class XmlUtil {

    private static final Logger logger = LoggerFactory.getLogger(XmlUtil.class);


    /**
     * java对象转换为xml文件
     *
     * @param xmlPath xml文件路径
     * @param clazz   java对象.Class
     * @return xml文件的String
     * @throws JAXBException
     */
    public static String beanToXml(Object obj, Class<?> clazz) throws JAXBException {
        JAXBContext context = JAXBContext.newInstance(clazz);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, false);
        marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
        StringWriter writer = new StringWriter();
        marshaller.marshal(obj, writer);
        return writer.toString();
    }

    /**
     * xml文件配置转换为对象
     *
     * @param xmlPath xml文件路径
     * @param clazz   java对象.Class
     * @return java对象
     * @throws JAXBException
     */
    @SuppressWarnings("unchecked")
    public static <T> T xmlToBean(String xmlPath, Class<T> clazz) throws Exception {
        logger.info("xmlToBean xmlPath {} clazz {}", xmlPath, clazz);
        JAXBContext context = JAXBContext.newInstance(clazz);
        Unmarshaller unmarshaller = context.createUnmarshaller();
        return (T) unmarshaller.unmarshal(new StringReader(xmlPath));
    }

    /**
     * xml转换成JavaBean
     *
     * @param xml
     * @param clazz
     * @return
     */
    @SuppressWarnings("unchecked")
    public static <T> T convertToJavaBean(String xml, Class<T> clazz) {
        logger.info("convertToJavaBean xml {} clazz {}", xml, clazz);
        T t = null;
        try {
            JAXBContext context = JAXBContext.newInstance(clazz);
            Unmarshaller unmarshaller = context.createUnmarshaller();
            t = (T) unmarshaller.unmarshal(new StringReader(xml));
        } catch (Exception e) {
            logger.error("convertToJavaBean exception {}", e.getMessage());
        }

        return t;
    }

    /**
     * JavaBean转换成xml
     * 默认编码UTF-8
     *
     * @param obj
     * @param writer
     * @return
     */
    public static String convertToXml(Object obj) {
        return convertToXml(obj, "UTF-8");
    }

    /**
     * JavaBean转换成xml
     *
     * @param obj
     * @param encoding
     * @return
     */
    public static String convertToXml(Object obj, String encoding) {
        String result = null;
        try {
            JAXBContext context = JAXBContext.newInstance(obj.getClass());
            StringWriter writer = new StringWriter();
            writer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            Marshaller marshaller = context.createMarshaller();

            //  marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);  // 格式化输出
            marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);
            marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); // 去掉默认的报文头

            marshaller.marshal(obj, writer);
            result = writer.toString();
        } catch (Exception e) {
            logger.error("convertToXml exception {}", e.getMessage());
        }

        return result;
    }

    /**
     * JavaBean转换成xml去除xml声明部分
     *
     * @param obj
     * @param encoding
     * @return
     */
    public static String convertToXmlIgnoreXmlHead(Object obj, String encoding) {
        String result = null;
        try {
            JAXBContext context = JAXBContext.newInstance(obj.getClass());
            Marshaller marshaller = context.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
            marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);
            marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
            StringWriter writer = new StringWriter();
            marshaller.marshal(obj, writer);
            result = writer.toString();
        } catch (Exception e) {
            logger.error(" convertToXmlIgnoreXmlHead exception {}", e.getMessage());
        }

        return result;
    }


    public static void main(String[] args) {
        String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?> " +
                "<service> " +
                "    <SYS_HEAD> " +
                "        <SvcCd>30530001</SvcCd> " +
                "        <SvcScn>18</SvcScn> " +
                "        <CnsmSysId>EBS000</CnsmSysId> " +
                "        <ChnlTp>17</ChnlTp> " +
                "        <SrcSysId>EBS000</SrcSysId> " +
                "        <CnsmSysSeqNo>EBS0000120200515162046875010801520</CnsmSysSeqNo> " +
                "        <SrcSysSeqNo>EBS0000120200515162046875010801520</SrcSysSeqNo> " +
                "        <Mac/> " +
                "        <TranDt>20200515</TranDt> " +
                "        <TranTm>515162046</TranTm> " +
                "        <TmnlNo/> " +
                "        <SrcSysTmnlNo/> " +
                "        <CnsmSysSvrId/> " +
                "        <SrcSysSvrId/> " +
                "        <FileFlg>0</FileFlg> " +
                "    </SYS_HEAD> " +
                "    <APP_HEAD> " +
                "        <TlrNo>EBANK2</TlrNo> " +
                "        <BranchId>10100</BranchId> " +
                "        <TlrPswd/> " +
                "        <TlrLvl/> " +
                "        <TlrTp/> " +
                "        <TlrVrfyMode>1</TlrVrfyMode> " +
                "    </APP_HEAD> " +
                "    <BODY> " +
                "        <CombiCod>600000000025</CombiCod> " +
                "         <CnlCd>Y001</CnlCd> " +
                "    </BODY> " +
                "</service>";

        Services services = XmlUtil.convertToJavaBean(xml, Services.class);
        //     System.out.println(services);

        System.out.println(convertToXml(services));
    }

}

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 = "service")
@XmlAccessorType(XmlAccessType.FIELD)
public class Services {

    @XmlElement(name = "SYS_HEAD")
    private SysHead sysHead;

    @XmlElement(name = "APP_HEAD")
    private AppHead appHead;

    @XmlElement(name = "BODY")
    private Body body;

    public SysHead getSysHead() {
        return sysHead;
    }

    public void setSysHead(SysHead sysHead) {
        this.sysHead = sysHead;
    }

    public AppHead getAppHead() {
        return appHead;
    }

    public void setAppHead(AppHead appHead) {
        this.appHead = appHead;
    }

    public Body getBody() {
        return body;
    }

    public void setBody(Body body) {
        this.body = body;
    }

    @Override
    public String toString() {
        return "Services{" +
                "sysHead=" + sysHead +
                ", appHead=" + appHead +
                ", body=" + body +
                '}';
    }
}

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;

@XmlAccessorType(XmlAccessType.FIELD)
public class SysHead {

    @XmlElement(name = "SvcCd")
    private String svcCd;

    @XmlElement(name = "CnsmSysSeqNo")
    private String cnsmSysSeqNo;

    public String getSvcCd() {
        return svcCd;
    }

    public void setSvcCd(String svcCd) {
        this.svcCd = svcCd;
    }

    public String getCnsmSysSeqNo() {
        return cnsmSysSeqNo;
    }

    public void setCnsmSysSeqNo(String cnsmSysSeqNo) {
        this.cnsmSysSeqNo = cnsmSysSeqNo;
    }

    @Override
    public String toString() {
        return "SysHead{" +
                "svcCd='" + svcCd + '\'' +
                ", cnsmSysSeqNo='" + cnsmSysSeqNo + '\'' +
                '}';
    }
}