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xml与Java对象的转换详解

2024-07-13 10:07:02
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xml与Java对象的转换详解

1.xstream解析报文

XStreamComponent x = XStreamComponent.newInstance(); x.processAnnotations(new Class[]{EquityExchangeDetail.class,PearTicketCustomerDTO.class,Date.class,Integer.class}); EquityExchangeDetail ptd = (EquityExchangeDetail) x.fromXML(xml);

2.xstream封装报文

XStreamComponent xres = XStreamComponent.newInstance();    xres.processAnnotations(new Class[]{TransResult.class}); String result=xres.toXML(transResult);

3.注解:

@XStreamAlias("customerInfo")  //报文中<customerInfo>节点对应类名“PearTicketCustomerDTO”public class PearTicketCustomerDTO {@XStreamAlias("idno")   //报文中<idno>节点对应类属性“idno” private String idno;@XStreamOmitFieldprivate Long ticketId;  //报文中无<ticketId>节点 ,解析时忽略类属性ticketId

4.方法比较

x.processAnnotations(new Class[]{PearTicketDTO.class}):读取类名注解x.alias(new Class[]{PearTicketDTO.class}):不读取类名注解

5.解析报文

x.alias("Equities", List.class);--把报文节点<Equities> 转化为List对象x.alias("Equity", Equity.class);--把报文节点<Equity> 转化为Equity类对象List<Equity> equities = (List<Equity>) x.fromXML(xml);--开始转化

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