XStream 序列化与反序列化

最新推荐文章于 2022-08-10 11:33:12 发布

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#XStream #序列化与反序列化

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本文介绍了如何使用XStream库将Java对象序列化为XML格式，并从XML字符串反序列化回对象。通过具体示例展示了XStream的基本用法，包括设置别名、属性注解等。

XStream 序列化与反序列化

一直以来写代码的时候都是不断地复制、粘贴。代码写多了，时间长了，不看代码根本就不知道代码的具体实现的方式是什么，现在对以前写过的代码进行一个简单的整理。

xstream的jar文件下载路径
对象的创建
具体的Xstream的实现方式
具体事例说明

xstream的jar文件下载路径

云盘：
官网：

对象的创建

@XStreamAlias("Body")
public class Login {

    @XStreamAlias("Request")
    public Request request = null;

    @XStreamAlias("Response")
    public Response response = null;

    public static class Request implements IDto {
        @XStreamAlias("Code")
        @XStreamAsAttribute
        public String orgCode;

        @XStreamAlias("Type")
        @XStreamAsAttribute
        public String operType;

        @XStreamAlias("UserN")
        public String userN = "";

        @XStreamAlias("PassWord")
        public String password = "";
    }

    public static class Response implements IDto {
        @XStreamAlias("ErrMsg")
        @XStreamAsAttribute
        public String errMsg = "";

        @XStreamAlias("UserID")
        public String userID = "";

        @XStreamAlias("PassWord")
        public String passWord = "";

        @XStreamAlias("UserName")
        public String userName = "";

        @XStreamAlias("RoleCD")
        public String roleCD = "";

        @XStreamAlias("RoleName")
        public String roleName = "";

        @XStreamAlias("UserType")
        public String userType = "";


        @XStreamAlias("Station")
        @XStreamConverter(BeanCDConverter.class)
        public BeanCD station = null;

        @XStreamAlias("Country")
        @XStreamConverter(BeanCDConverter.class)
        public BeanCD country = null;

        @XStreamAlias("Province")
        @XStreamConverter(BeanIDConverter.class)
        public BeanID province = null;

        @XStreamAlias("City")
        @XStreamConverter(BeanIDConverter.class)
        public BeanID city = null;

        @XStreamAlias("District")
        @XStreamConverter(BeanIDConverter.class)
        public BeanID district = null;

        @XStreamAlias("Street")
        @XStreamConverter(BeanIDConverter.class)
        public BeanID street = null;

        @XStreamAlias("Community")
        @XStreamConverter(BeanCDConverter.class)
        public BeanCD community = null;

        @XStreamAlias("Lane")
        public String lane = "";

        @XStreamAlias("Other")
        public String other = "";

        @XStreamAlias("CommunityJurisdiction")
        @XStreamConverter(BeanCDConverter.class)
        public BeanCD communityJuris = null;

        @XStreamAlias("Zones")
        public Zones Zone;

       public static class Zones{
            @XStreamImplicit(itemFieldName="Zone" )
            public List<ZoneID> zoneIDs;
        }
    }
}

具体实现事例

在XmlSeriaUtil类中的两个对XStream的调用方法

/**
 *对象转换成字符串
**/
 public static String beanToXml(Object obj) {
        String xml = null;
        try {
            XStream xstream = new XStream();
            xstream.processAnnotations(obj.getClass());
            xml = xstream.toXML(obj);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return xml;
    }


/**
 *字符串转换成相应的类
**/
 public static <T> T xmlToBean(String xml, Class<T> clazz) {
       try {
            XStream xstream = new XStream(new DomDriver());
            xstream.processAnnotations(clazz);
            xstream.ignoreUnknownElements();
            T obj = (T) xstream.fromXML(xml);
            return obj;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;

    }

具体调用方法

 XmlSeriaUtil.xmlToBean(str, Login.class);

 Login login = new Login();
 String str = XmlSeriaUtil.beanToXml(login);