javabean 与 xml 互转

2024-06-20 16:48
文章标签 java xml bean 互转

本文主要是介绍javabean 与 xml 互转,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!

目前javaBean和xml进行互相转换的工具有

Xstream,Xmap,JAXB 这三种比较通用

  1. XStream 是什么? 
    XStream 是一个 java类库,实际上是一个转换器。
  2. XStream 作用 ? 
    实现 java bean 与 xml 互转。
  3. XStream 如何使用? 
    主要通过 xStream 实现 转换,具体测试示例代码如下:
  4. 源码 github 下载地址: 
    https://github.com/xiaoyugelicai/TestJackson.git

添加依赖 jar 包

<!-- https://mvnrepository.com/artifact/com.thoughtworks.xstream/xstream --><dependency><groupId>com.thoughtworks.xstream</groupId><artifactId>xstream</artifactId><version>1.4.4</version></dependency>
package testJackson;import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.junit.Test;
import com.thoughtworks.xstream.XStream;
import vo.RequestH;
import vo.RequestItem;
import vo.RequestReq;/*** This class was used to test xstream converter, xstream was used to convert javabean to xml or convert xml to javabean.* @author hualei* @date May 3, 2017 9:38:40 AM* */
public class TestXstream {private String xml;/*** convert javabean to xml.* xml 请求数据如下:* <req op="sms_01send">*    <h>*      <ver>1.0</ver>*      <user>test</user>*      <pass>123</pass>*    </h>*    <items>*      <item>*        <id></id>*        <content>短信验证码</content>*        <tele>12345678901</tele>*        <model>1</model>*        <timing>2017-36-03 09:05:25</timing>*        <reply>1</reply>*        <priority>0</priority>*      </item>*    </items>*  </req>*/@Testpublic void javabeanToXml(){RequestReq requestReq = new RequestReq();requestReq.setOp("sms_01send");RequestH requestH = new RequestH();requestH.setVer("1.0");requestH.setUser("test");requestH.setPass("123");RequestItem requestItem = new RequestItem();requestItem.setContent("短信验证码");requestItem.setId("");requestItem.setReply("1");requestItem.setModel("1");requestItem.setPriority("0");requestItem.setTele("12345678901");requestItem.setTiming(new SimpleDateFormat("yyyy-mm-dd hh:MM:ss").format(new Date()));List<RequestItem> items = new ArrayList<RequestItem>();items.add(requestItem);requestReq.setH(requestH);requestReq.setItems(items);XStream xstream = new XStream();// 设置 类型 别名xstream.alias("req", RequestReq.class);xstream.alias("h", RequestH.class);xstream.alias("item", RequestItem.class);// 设置 子标签 别名xstream.aliasField("items", RequestReq.class, "items");// 设置 标签属性 别名xstream.aliasAttribute(RequestReq.class, "op", "op");// javabean to xmlxml = xstream.toXML(requestReq);System.out.println(xml);}/*** convert xml to java bean.*/@Testpublic void xmlToJavabean(){// 给  xml 赋值javabeanToXml();XStream xStream = new XStream();// 设置 类型 别名xStream.alias("req", RequestReq.class);xStream.alias("h", RequestH.class);xStream.alias("item", RequestItem.class);// 设置 子标签 别名xStream.aliasField("items", RequestReq.class, "items");// 设置 标签属性 别名xStream.aliasAttribute(RequestReq.class, "op", "op");// xml to javabeanRequestReq req = (RequestReq)xStream.fromXML(xml);System.out.println(req);// RequestReq [op=sms_01send, h=RequestH [ver=1.0, user=test, pass=123], items=[RequestItem [id=, content=短信验证码, tele=12345678901, model=1, timing=2017-58-03 09:05:22, reply=1, priority=0]]]}
}

实体类 RequestReq.class 代码如下:

package vo;import java.util.Arrays;
import java.util.List;/*** This class was used to generate body message.* @author hualei**/
public class RequestReq {private String op;private RequestH h;private List<RequestItem> items;/*** constructor* @param op* @param h* @param items*/public RequestReq(String op, RequestH h, List<RequestItem> items) {super();this.op = op;this.h = h;this.items = items;}/*** Default constructor*/public RequestReq() {super();}/*** @return the op*/public String getOp() {return op;}/*** @param op the op to set*/public void setOp(String op) {this.op = op;}/*** @return the h*/public RequestH getH() {return h;}/*** @param h the h to set*/public void setH(RequestH h) {this.h = h;}/*** @return the items*/public List<RequestItem> getItems() {return items;}/*** @param items the items to set*/public void setItems(List<RequestItem> items) {this.items = items;}/* (non-Javadoc)* @see java.lang.Object#toString()*/@Overridepublic String toString() {return "RequestReq [op=" + op + ", h=" + h.toString() + ", items=" + Arrays.toString(items.toArray()) + "]";}
}

实体类 RequestH.class 代码如下:

package vo;/*** This class was used to generate head content of body message.* @author hualei**/
public class RequestH {/*** The variable was used to receive version.*/private String ver;/*** The variable was used to receive user. */private String user;/*** The variable was used to receive password. */private String pass;/*** Constructor* @param ver* @param user* @param pass*/public RequestH(String ver, String user, String pass) {super();this.ver = ver;this.user = user;this.pass = pass;}/*** Default constructor*/public RequestH() {super();}/*** @return the ver*/public String getVer() {return ver;}/*** @param ver the ver to set*/public void setVer(String ver) {this.ver = ver;}/*** @return the user*/public String getUser() {return user;}/*** @param user the user to set*/public void setUser(String user) {this.user = user;}/*** @return the pass*/public String getPass() {return pass;}/*** @param pass the pass to set*/public void setPass(String pass) {this.pass = pass;}/* (non-Javadoc)* @see java.lang.Object#toString()*/@Overridepublic String toString() {return "RequestH [ver=" + ver + ", user=" + user + ", pass=" + pass + "]";}
}
  • 实体类 RequestItem.class 代码如下:
package vo;/*** This class was used to generate item content of body message.* @author hualei**/
public class RequestItem {private String id;private String content;private String tele;private String model;private String timing;private String reply;private String priority;/*** Constructor* @param id* @param content* @param tele* @param model* @param timing* @param reply* @param priority*/public RequestItem(String id, String content, String tele, String model, String timing, String reply,String priority) {super();this.id = id;this.content = content;this.tele = tele;this.model = model;this.timing = timing;this.reply = reply;this.priority = priority;}/*** Default Constructor*/public RequestItem() {super();}/*** @return the id*/public String getId() {return id;}/*** @param id the id to set*/public void setId(String id) {this.id = id;}/*** @return the content*/public String getContent() {return content;}/*** @param content the content to set*/public void setContent(String content) {this.content = content;}/*** @return the tele*/public String getTele() {return tele;}/*** @param tele the tele to set*/public void setTele(String tele) {this.tele = tele;}/*** @return the model*/public String getModel() {return model;}/*** @param model the model to set*/public void setModel(String model) {this.model = model;}/*** @return the timing*/public String getTiming() {return timing;}/*** @param timing the timing to set*/public void setTiming(String timing) {this.timing = timing;}/*** @return the reply*/public String getReply() {return reply;}/*** @param reply the reply to set*/public void setReply(String reply) {this.reply = reply;}/*** @return the priority*/public String getPriority() {return priority;}/*** @param priority the priority to set*/public void setPriority(String priority) {this.priority = priority;}/* (non-Javadoc)* @see java.lang.Object#toString()*/@Overridepublic String toString() {return "RequestItem [id=" + id + ", content=" + content + ", tele=" + tele + ", model=" + model + ", timing="+ timing + ", reply=" + reply + ", priority=" + priority + "]";}
}


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