1.引入需要的jar包，在pom.xml中配置依賴?

Java代碼??

<dependency>??

????<groupId>com.thoughtworks.xstream</groupId>??

????<artifactId>xstream</artifactId>??

????<version>1.4.2</version>??

</dependency>??

2.創(chuàng)建要轉(zhuǎn)換的實(shí)例類，本文以簡單的硬件信息為例?

Java代碼??

package?com.ajita.xstream;??

??

import?com.thoughtworks.xstream.annotations.XStreamAlias;??

import?com.thoughtworks.xstream.annotations.XStreamAsAttribute;??

??

@XStreamAlias("DiskInfo")??

public?class?DiskInfo?{??

????@XStreamAsAttribute??

????@XStreamAlias("diskName")??

????private?String?name;??

????private?int?totalSize;??

????private?int?avilableSize;??

????private?int?usedSize;??

??

????public?String?getName()?{??

????????return?name;??

????}??

??

????public?void?setName(String?name)?{??

????????this.name?=?name;??

????}??

??

????public?int?getTotleSize()?{??

????????return?totalSize;??

????}??

??

????public?void?setTotleSize(int?totleSize)?{??

????????this.totalSize?=?totleSize;??

????}??

??

????public?int?getAvilableSize()?{??

????????return?avilableSize;??

????}??

??

????public?void?setAvilableSize(int?avilableSize)?{??

????????this.avilableSize?=?avilableSize;??

????}??

??

????public?int?getUserSize()?{??

????????return?usedSize;??

????}??

??

????public?void?setUserSize(int?userSize)?{??

????????this.usedSize?=?userSize;??

????}??

??

????public?String?toString()?{??

????????StringBuilder?sb?=?new?StringBuilder();??

????????sb.append(name?+?"\r\n");??

????????sb.append("TotalSize:"?+?totalSize?+?"|Used?Size:"?+?usedSize??

????????????????+?"|Available?Size:"?+?avilableSize);??

????????return?sb.toString();??

????}??

}??

??

package?com.ajita.xstream;??

??

import?java.util.List;??

??

import?com.thoughtworks.xstream.annotations.XStreamAlias;??

??

@XStreamAlias("HardwareInfo")??

public?class?HardwareInfo?{??

????private?String?cpuInfo;??

????private?String?networkInfo;??

????private?List<DiskInfo>?diskInfos;??

??

????public?String?getCpuInfo()?{??

????????return?cpuInfo;??

????}??

??

????public?void?setCpuInfo(String?cpuInfo)?{??

????????this.cpuInfo?=?cpuInfo;??

????}??

??

????public?String?getNetworkInfo()?{??

????????return?networkInfo;??

????}??

??

????public?void?setNetworkInfo(String?networkInfo)?{??

????????this.networkInfo?=?networkInfo;??

????}??

??

????public?List<DiskInfo>?getDiskInfos()?{??

????????return?diskInfos;??

????}??

??

????public?void?setDiskInfos(List<DiskInfo>?diskInfos)?{??

????????this.diskInfos?=?diskInfos;??

????}??

??

????public?String?toString()?{??

????????StringBuilder?sb?=?new?StringBuilder();??

????????sb.append(cpuInfo);??

????????sb.append("\r\n");??

????????sb.append(networkInfo);??

????????sb.append("\r\n");??

????????for?(DiskInfo?disk?:?diskInfos)?{??

????????????sb.append(disk.toString());??

????????????sb.append("\r\n");??

????????}??

????????return?sb.toString();??

????}??

}??

3.新建測試代碼?

Java代碼??

package?com.ajita.xstream;??

??

import?java.util.ArrayList;??

??

import?com.thoughtworks.xstream.XStream;??

??

public?class?TestXStream?{??

????/**?

?????*?@param?args?

?????*/??

????public?static?void?main(String[]?args)?{??

????????DiskInfo?disk1?=?new?DiskInfo();??

????????disk1.setName("D:\\");??

????????disk1.setTotleSize(100);??

????????disk1.setUserSize(20);??

????????disk1.setAvilableSize(80);??

????????DiskInfo?disk2?=?new?DiskInfo();??

????????disk2.setName("E:\\");??

????????disk2.setTotleSize(200);??

????????disk2.setUserSize(40);??

????????disk2.setAvilableSize(160);??

??

????????ArrayList<DiskInfo>?diskInfos?=?new?ArrayList<DiskInfo>();??

????????diskInfos.add(disk1);??

????????diskInfos.add(disk2);??

??

????????HardwareInfo?hwInfo?=?new?HardwareInfo();??

????????hwInfo.setCpuInfo("cpu?info?is?...");??

????????hwInfo.setNetworkInfo("network?info?is?...");??

????????hwInfo.setDiskInfos(diskInfos);??

??

????????XStream?xStream?=?new?XStream();??

????????xStream.autodetectAnnotations(true);??

????????String?xml?=?xStream.toXML(hwInfo);??

????????System.out.println(xml);??

??

????????HardwareInfo?info2?=?(HardwareInfo)?xStream.fromXML(xml);??

????????System.out.println(info2);??

????}??

??

}??

輸出如下：?

Java代碼??

<HardwareInfo>??

??<cpuInfo>cpu?info?is?...</cpuInfo>??

??<networkInfo>network?info?is?...</networkInfo>??

??<diskInfos>??

????<DiskInfo?diskName="D:\">??

??????<totalSize>100</totalSize>??

??????<avilableSize>80</avilableSize>??

??????<usedSize>20</usedSize>??

????</DiskInfo>??

????<DiskInfo?diskName="E:\">??

??????<totalSize>200</totalSize>??

??????<avilableSize>160</avilableSize>??

??????<usedSize>40</usedSize>??

????</DiskInfo>??

??</diskInfos>??

</HardwareInfo>??

cpu?info?is?...??

network?info?is?...??

D:\??

TotalSize:100|Used?Size:20|Available?Size:80??

E:\??

TotalSize:200|Used?Size:40|Available?Size:160??

4.常用XStream注解?
1)@XStreamAlias注解可在類與屬性上使用設(shè)置名稱,相當(dāng)于: xstream.alias("blog", Blog.class);?
2)@XStreamImplicit去集合節(jié)點(diǎn)名:相當(dāng)于 xstream.addImplicitCollection(Blog.class, "entries");?
3) @XStreamConverter(SingleValueCalendarConverter.class)?
??? private Calendar createdTime = new GregorianCalendar();

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