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XStream生成XMl文件，设置别名 {card-describe title="前言"} 一般来说通过现在给接口发送数据都用JSON格式，但是给例如银行这些平台进行数据传输的时候还可能使用XML格式的报文，XML格式的报文通常会包含HEAD、BODY等节点数据，我们可以将业务数据通过XStream进行处理，可以以下面的代码进行参考：{/card-describe}{dotted startColor="#ff6c6c" endColor="#1989fa"/}public class B2BPayToXml { public Head head; public Body body; public void setHead(Head head) { this.head = head; } public void setBody(Body body) { this.body = body; } }/** * 报文头部信息 * @author lizhiyong * @version $Id: Head.java, v 0.1 2014年9月24日 上午10:01:57 Exp $ */ public class Head { public String MerPtcId; public String TranTime; public String TranCode; public String TranDate; public Head(String merPtcId, String tranTime, String tranCode, String tranDate) { MerPtcId = merPtcId; TranTime = tranTime; TranCode = tranCode; TranDate = tranDate; } }/** * 报文体信息 * @author lizhiyong * @version $Id: Body.java, v 0.1 2014年9月24日 上午10:03:30 Exp $ */ public class Body { public String MerTranSerialNo; public String SafeReserved; //协议信息 public PtcInfo ptcInfo; //业务信息 public BusiInfo busiInfo; //会员信息 public UserInfo userInfo; //商品信息 public GoodsInfo goodsInfo; //交易信息 public TranInfo tranInfo; //通道信息 public ChannelInfo channelInfo; //备注信息 public MemoInfo memoInfo; public void setMerTranSerialNo(String merTranSerialNo) { MerTranSerialNo = merTranSerialNo; } public void setSafeReserved(String safeReserved) { SafeReserved = safeReserved; } public void setPtcInfo(PtcInfo ptcInfo) { this.ptcInfo = ptcInfo; } public void setBusiInfo(BusiInfo busiInfo) { this.busiInfo = busiInfo; } public void setUserInfo(UserInfo userInfo) { this.userInfo = userInfo; } public void setGoodsInfo(GoodsInfo goodsInfo) { this.goodsInfo = goodsInfo; } public void setTranInfo(TranInfo tranInfo) { this.tranInfo = tranInfo; } public void setChannelInfo(ChannelInfo channelInfo) { this.channelInfo = channelInfo; } public void setMemoInfo(MemoInfo memoInfo) { this.memoInfo = memoInfo; } }/** * 会员信息 * @author lizhiyong * @version $Id: UserInfo.java, v 0.1 2014年9月24日 上午10:08:47 Exp $ */ public class UserInfo { public String BuyerId; public String BuyerName; public String SellerId; public String SellerName; public UserInfo(String buyerId, String buyerName, String sellerId, String sellerName) { BuyerId = buyerId; BuyerName = buyerName; SellerId = sellerId; SellerName = sellerName; } }XStream xStream = new XStream(new DomDriver()); xStream.alias("Document", B2BPayToXml.class); //设置类别名 xStream.aliasField("Head", B2BPayToXml.class, "head"); xStream.aliasField("Body", B2BPayToXml.class, "body"); xStream.aliasField("PtcInfo", Body.class, "ptcInfo"); xStream.aliasField("BusiInfo", Body.class, "busiInfo"); xStream.aliasField("UserInfo", Body.class, "userInfo"); xStream.aliasField("GoodsInfo", Body.class, "goodsInfo"); xStream.aliasField("TranInfo", Body.class, "tranInfo"); xStream.aliasField("ChannelInfo", Body.class, "channelInfo"); xStream.aliasField("MemoInfo", Body.class, "memoInfo"); B2BPayToXml bToXml = new B2BPayToXml(); //头部信息 bToXml.setHead(new Head(merPtcId, tranTime, tranCode, tranDate)); //协议信息 PtcInfo ptcInfo = new PtcInfo(subMerPtcId); //业务信息 BusiInfo busiInfo = new BusiInfo(merOrderNo); //会员信息 UserInfo userInfo = new UserInfo(buyerId, buyerName, sellerId, sellerName); //商品信息 GoodsInfo goodsInfo = new GoodsInfo(goodsName, goodsTxt, goodsDesc); //交易信息 TranInfo tranInfo = new TranInfo(tranModeId, tranAmt, tranCry); //通道信息 ChannelInfo channelInfo = new ChannelInfo(channelApi, channelInst); //备注信息 MemoInfo memoInfo = new MemoInfo(buyerMemo, sellerMemo, platMemo, payMemo); Body body = new Body(); body.setMerTranSerialNo(merTranSerialNo); body.setSafeReserved(safeReserved); body.setPtcInfo(ptcInfo); body.setBusiInfo(busiInfo); body.setUserInfo(userInfo); body.setGoodsInfo(goodsInfo); body.setTranInfo(tranInfo); body.setChannelInfo(channelInfo); body.setMemoInfo(memoInfo); bToXml.setBody(body); String top = "<?xml version=\"1.0\" encoding=\"UTF-8\"?> \n"; String xml = top + xStream.toXML(bToXml);<?xml version="1.0" encoding="UTF-8"?> <Document> <Head> <MerPtcId>0000</MerPtcId> <TranTime>0000</TranTime> <TranCode>0000</TranCode> <TranDate>0000</TranDate> </Head> <Body> <MerTranSerialNo>0000</MerTranSerialNo> <SafeReserved>0000</SafeReserved> <PtcInfo> <SubMerPtcId>0000</SubMerPtcId> </PtcInfo> <BusiInfo> <MerOrderNo>0000</MerOrderNo> </BusiInfo> <UserInfo> <BuyerId>0000</BuyerId> <BuyerName>0000</BuyerName> <SellerId>0000</SellerId> <SellerName>0000</SellerName> </UserInfo> <GoodsInfo> <GoodsName>0000</GoodsName> <GoodsTxt>0000</GoodsTxt> <GoodsDesc>0000</GoodsDesc> </GoodsInfo> <TranInfo> <TranModeId>0000</TranModeId> <TranAmt>0000</TranAmt> <TranCry>0000</TranCry> </TranInfo> <ChannelInfo> <ChannelApi>0000</ChannelApi> <ChannelInst>0000</ChannelInst> </ChannelInfo> <MemoInfo> <BuyerMemo>0000</BuyerMemo> <SellerMemo>0000</SellerMemo> <PlatMemo>0000</PlatMemo> <PayMemo>0000</PayMemo> </MemoInfo> </Body> </Document> -
超强大的XML和JavaBean相互转换的工具类 话不多说，直接上代码import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.Reader; import java.io.StringWriter; import java.text.MessageFormat; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import javax.xml.bind.Unmarshaller; import javax.xml.stream.XMLOutputFactory; import javax.xml.stream.XMLStreamWriter; /** * @Description:xml字符串转换Javabean * @author:lgh * @date: 2018-11-20 10:55 */ public class JaxbUtils { @SuppressWarnings("unchecked") private static <T> T readString(Class<T> clazz, String context) throws JAXBException { try { JAXBContext jc = JAXBContext.newInstance(clazz); Unmarshaller u = jc.createUnmarshaller(); return (T) u.unmarshal(new File(context)); } catch (JAXBException e) { throw e; } } @SuppressWarnings("unchecked") private static <T> T readConfig(Class<T> clazz, String config, Object... arguments) throws IOException, JAXBException { InputStream is = null; try { if (arguments.length > 0) { config = MessageFormat.format(config, arguments); } JAXBContext jc = JAXBContext.newInstance(clazz); Unmarshaller u = jc.createUnmarshaller(); is = new FileInputStream(config); return (T) u.unmarshal(is); } catch (IOException e) { throw e; } catch (JAXBException e) { throw e; } finally { if (is != null) { is.close(); } } } @SuppressWarnings("unchecked") private static <T> T readConfigFromStream(Class<T> clazz, InputStream dataStream) throws JAXBException { try { JAXBContext jc = JAXBContext.newInstance(clazz); Unmarshaller u = jc.createUnmarshaller(); return (T) u.unmarshal(dataStream); } catch (JAXBException e) { // logger.trace(e); throw e; } } @SuppressWarnings("unchecked") private static <T> T readConfigFromRead(Class<T> clazz, Reader reader)throws JAXBException { try { JAXBContext jc = JAXBContext.newInstance(clazz); Unmarshaller u = jc.createUnmarshaller(); return (T) u.unmarshal(reader); } catch (JAXBException e) { // logger.trace(e); throw e; } } /** * xml转换成java bean * @param xml * @param clazz * @return * @throws JAXBException */ public static <T> T jaxbConvertXmlToBean(String xml,Class<T> clazz) { InputStream is = null; try { is = new ByteArrayInputStream(xml.getBytes("UTF-8")); } catch (Exception e) { e.printStackTrace(); }finally{ if (is != null) { try { is.close(); } catch (IOException e) { e.printStackTrace(); } } } T t = null; try { t = JaxbUtils.readConfigFromStream(clazz, is); } catch (JAXBException e) { e.printStackTrace(); } return t; } /** * java bean 转换成xml * @param object * @return * @throws JAXBException */ public static String jaxbConvertBeanToXml(Object object)throws JAXBException { StringWriter writer = new StringWriter(); String returnString =""; try { JAXBContext jc = JAXBContext.newInstance(object.getClass()); Marshaller m = jc.createMarshaller(); m.setProperty(Marshaller.JAXB_ENCODING, "UTF-8"); m.marshal(object, writer); returnString=writer.toString(); } catch (Exception e) { e.printStackTrace(); }finally{ if(writer!=null){ try { writer.close(); } catch (IOException e) { e.printStackTrace(); } } } return returnString; } public static String jaxbBeanToxml(Object object){ try { JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass()); Marshaller jaxbMarshaller = jaxbContext.createMarshaller(); jaxbMarshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8"); jaxbMarshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); ByteArrayOutputStream baos = new ByteArrayOutputStream(); XMLStreamWriter xmlStreamWriter = XMLOutputFactory.newInstance().createXMLStreamWriter(baos, (String) jaxbMarshaller.getProperty(Marshaller.JAXB_ENCODING)); xmlStreamWriter.writeStartDocument((String) jaxbMarshaller.getProperty(Marshaller.JAXB_ENCODING), "1.0"); jaxbMarshaller.marshal(object, xmlStreamWriter); xmlStreamWriter.writeEndDocument(); xmlStreamWriter.close(); return new String(baos.toByteArray(),"UTF-8"); } catch (Exception e) { } return null; } public static String jaxbBeanToxmlGBK(Object object){ try { JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass()); Marshaller jaxbMarshaller = jaxbContext.createMarshaller(); jaxbMarshaller.setProperty(Marshaller.JAXB_ENCODING, "GBK"); jaxbMarshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); ByteArrayOutputStream baos = new ByteArrayOutputStream(); XMLStreamWriter xmlStreamWriter = XMLOutputFactory.newInstance().createXMLStreamWriter(baos, (String) jaxbMarshaller.getProperty(Marshaller.JAXB_ENCODING)); xmlStreamWriter.writeStartDocument((String) jaxbMarshaller.getProperty(Marshaller.JAXB_ENCODING), "1.0"); jaxbMarshaller.marshal(object, xmlStreamWriter); xmlStreamWriter.writeEndDocument(); xmlStreamWriter.close(); return new String(baos.toByteArray(),"GBK"); } catch (Exception e) { e.printStackTrace(); } return null; } /** * xml转换成java bean * @param xml * @param clazz * @return * @throws JAXBException */ public static <T> T jaxbConvertXmlToBeanByGbk(String xml,Class<T> clazz) { InputStream is = null; try { is = new ByteArrayInputStream(xml.getBytes("GBK")); } catch (Exception e) { e.printStackTrace(); }finally{ if (is != null) { try { is.close(); } catch (IOException e) { e.printStackTrace(); } } } T t = null; try { t = JaxbUtils.readConfigFromStream(clazz, is); } catch (JAXBException e) { e.printStackTrace(); } return t; } }针对上述工具类，给记得给JavaBean加上相应注解如下：@XmlAccessorType(XmlAccessType.FIELD) @XmlRootElement(name = "TransType") @Data public class TransType { @XmlElement(name = "BaseInfo",required = true) protected BaseInfo baseInfo; @XmlElement(name = "OutputData",required = true) protected OutputData outputData; }
