JAXB解析xml案例.doc

核心类：package com.jaxb;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.text.MessageFormat;import javax.xml.bind.JAXBContext;import javax.xml.bind.JAXBException;import javax.xml.bind.Unmarshaller;public class JaxbReadXml SuppressWarnings(unchecked) public static T readString(Class 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) / logger.trace(e); throw e; SuppressWarnings(unchecked) public static T readConfig(Class clazz, String config, Object. arguments) throws IOException, JAXBException InputStream is = null; try if (arguments.length 0) config = MessageFormat.format(config, arguments); / logger.trace(read configFileName= + config); JAXBContext jc = JAXBContext.newInstance(clazz); Unmarshaller u = jc.createUnmarshaller(); is = new FileInputStream(config); return (T) u.unmarshal(is); catch (IOException e) / logger.trace(config, e); throw e; catch (JAXBException e) / logger.trace(config, e); throw e; finally if (is != null) is.close(); SuppressWarnings(unchecked) public static T readConfigFromStream(Class 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; public static void main(String args) throws JAXBException TestOrgs testOrgs = JaxbReadXml.readString(TestOrgs.class, test/test.xml); System.out.println(testOrgs.getSize(); System.out.println(testOrgs.getBatchNumber(); System.out.println(testOrgs.getErrmsg(); for (TestOrg o : testOrgs) System.out.println(o.getOrgName(); 成员类：package com.jaxb;import java.util.ArrayList;import java.util.List;import javax.xml.bind.annotation.XmlAccessType;import javax.xml.bind.annotation.XmlAccessorType;import javax.xml.bind.annotation.XmlAttribute;import javax.xml.bind.annotation.XmlElement;import javax.xml.bind.annotation.XmlRootElement;SuppressWarnings(serial)XmlRootElement(name = orgs)XmlAccessorType(XmlAccessType.FIELD)public class TestOrgs extends ArrayList / 泛化, 聚合 XmlAttribute(name = size) private int size; XmlAttribute(name = batch_number) private Long batchNumber; XmlAttribute(name = errmsg) private String errmsg; XmlElement(name = org) public List getOrgs() return this; public int getSize() return size; public void setSize(int size) this.size = size; public Long getBatchNumber() return batchNumber; public void setBatchNumber(Long batchNumber) this.batchNumber = batchNumber; public String getErrmsg() return errmsg; public void setErrmsg(String errmsg) this.errmsg = errmsg; 成员类2：package com.jaxb;import java.util.Date;import javax.xml.bind.annotation.XmlAccessType;import javax.xml.bind.annotation.XmlAccessorType;import javax.xml.bind.annotation.XmlElement;/* * * If you annotate your Artifact class with the annotation: * XmlAccessorType(XmlAccessType.FIELD) * then you do not need to annotate the fields with XmlElement and the * setter/getter methods will be ignored. * * * author User */XmlAccessorType(XmlAccessType.FIELD)/ 用了这个之后就会自动忽略setter/getter方法。不用这个就需要去掉注解，需要保证属性名和xml里的表签名一致public class TestOrg XmlElement(name = org_id) private Long orgId; XmlElement(name = parent_id) private Long parentId; XmlElement(name = org_name) private String orgName; XmlElement(name = org_code) private String orgCode; XmlElement(name = org_type) private String orgType; XmlElement(name = start_d) private Date startDate; XmlElement(name = end_d) private Date endDate; XmlElement(name = attribute1) private String attribute; XmlElement(name = insert_t) private Date insertTime; public Long getOrgId() return orgId; public void setOrgId(Long orgId) Id = orgId; public Long getParentId() return parentId; public void setParentId(Long parentId) this.parentId = parentId; public String getOrgName() return orgName; public void setOrgName(String orgName) Name = orgName; public String getOrgCode() return orgCode; public void setOrgCode(String orgCode) Code = orgCode; public String getOrgType() return orgType; public void setOrgType(String orgType) Type = orgType; public Date getStartDate() return startDate; public void setStartDate(Date startDate) this.startDate = startDate; public Date getEndDate() return endDate; public void setEndDate(Date endDate) this.endDate = endDate; public String getAttribute() return attribute; public void setAttribute(String attribute) this.attribute = attribute; public Date getInsertTime() return insertTime; public void setInsertTime(Date insertTime) this.insertTime = insertTime; xml文件： 16817 9233 512AAS.苏州沧浪区 512AAS 门店部门 2011-12-28 2013-7-4 10:32:09 16817 92