<dependency> <groupId>dom4j</groupId> <artifactId>dom4j</artifactId> <version>1.6.1</version> </dependency> <dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> <version>2.4</version> <classifier>jdk15</classifier> </dependency> <dependency> <groupId>xom</groupId> <artifactId>xom</artifactId> <version>1.2.5</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.31</version> </dependency>

2、工具类

package com.jbf.util; import com.alibaba.fastjson.JSONObject; import net.sf.json.xml.XMLSerializer; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.DocumentHelper; import org.dom4j.Element; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Date; import java.util.Iterator; import java.util.List; /********************************* * 类描述： * @author huangsz * @date 2019/11/20 * @version v1.0 **********************************/ public class XmlUtil { public static Object xmlToBean(Element rootElt, Class pojo) throws Exception { // 首先得到pojo所定义的字段 Field[] fields = pojo.getDeclaredFields(); // 根据传入的Class动态生成pojo对象 Object obj = pojo.newInstance(); for (Field field : fields) { // 设置字段可访问（必须，否则报错） field.setAccessible(true); // 得到字段的属性名 String name = field.getName(); // 这一段的作用是如果字段在Element中不存在会抛出异常，如果出异常，则跳过。 try { rootElt.elementTextTrim(name); } catch (Exception ex) { continue; } if (rootElt.elementTextTrim(name) != null && !"".equals(rootElt.elementTextTrim(name))) { // 根据字段的类型将值转化为相应的类型，并设置到生成的对象中。 if (field.getType().equals(Long.class) || field.getType().equals(long.class)){ field.set(obj, Long.parseLong(rootElt.elementTextTrim(name))); } else if (field.getType().equals(String.class)) { field.set(obj, rootElt.elementTextTrim(name)); } else if (field.getType().equals(Double.class) || field.getType().equals(double.class)) { field.set(obj, Double.parseDouble(rootElt.elementTextTrim(name))); } else if (field.getType().equals(Integer.class) || field.getType().equals(int.class)) { field.set(obj, Integer.parseInt(rootElt.elementTextTrim(name))); } else if (field.getType().equals(java.util.Date.class)) { field.set(obj, Date.parse(rootElt.elementTextTrim(name))); } else { continue; } } } return obj; } public static <T> T xmlToBean(String xml,Class<T> clazz) { T t = null; try { List<T> ts = xmlToList(xml, clazz); if (!ts.isEmpty()) { t = ts.get(0); } } catch (Exception e) { e.printStackTrace(); System.out.println("数据解析错误"); } return t; } /** * DMO4J写入XML * @param obj 泛型对象 * @param entityPropertys 泛型对象的List集合 */ public static <T> String beanToXml(T obj, List<T> entityPropertys) { //效率检测 long lasting = System.currentTimeMillis(); String xmlStr = null; try { Document document = DocumentHelper.createDocument(); // 获得类名 String rootname = obj.getClass().getSimpleName(); // 添加根节点 Element root = document.addElement(rootname+"s"); // 获得实体类的所有属性 Field[] properties = obj.getClass().getDeclaredFields(); // 递归实体 for (T t : entityPropertys) { // 二级节点 Element secondRoot = root.addElement(rootname); for (int i = 0; i < properties.length; i++) { // 反射get方法 Method meth = t.getClass().getMethod( "get" + properties[i].getName().substring(0, 1) .toUpperCase() + properties[i].getName().substring(1)); // 为二级节点添加属性，属性值为对应属性的值 secondRoot.addElement(properties[i].getName()).setText( meth.invoke(t).toString()); } } xmlStr = document.asXML(); System.out.println("document字符串"+xmlStr); long lasting2 = System.currentTimeMillis(); System.out.println("写入XMLtoString结束,用时"+(lasting2 - lasting)+"ms"); } catch (Exception e) { System.out.println("XML文件写入失败"); e.printStackTrace(); } return xmlStr; } /** * * @param XMLPathAndName XML文件的路径和地址 * @param t 泛型对象 * @return */ public static <T> List<T> xmlToList(String XMLPathAndName, Class<T> t) { long lasting = System.currentTimeMillis(); List<T> list = new ArrayList<>(); try { Document doc = DocumentHelper.parseText(XMLPathAndName); // 获得根节点 Element root = doc.getRootElement(); // 二级节点 Element foo; Iterator i = root.elementIterator(); while (i.hasNext()) { // 下一个二级节点 foo = (Element) i.next(); T t2 = (T)xmlToBean(foo, t); list.add(t2); } } catch (Exception e) { e.printStackTrace(); } long lasting2 = System.currentTimeMillis(); System.out.println("读取XMLtoString结束,用时"+(lasting2 - lasting)+"ms"); return list; } public static JSONObject xml2Json(String xml){ XMLSerializer xmlSerializer = new XMLSerializer(); String read = xmlSerializer.read(xml).toString(); return JSONObject.parseObject(read); } public static String json2Xml(net.sf.json.JSONObject json, String rootName) throws DocumentException { String sXml = ""; XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setTypeHintsEnabled(false); xmlSerializer.setRootName(rootName); String sContent = xmlSerializer.write(json,"utf-8"); try { Document docCon = DocumentHelper.parseText(sContent); sXml = docCon.getRootElement().asXML(); } catch (DocumentException e) { e.printStackTrace(); } return sXml; } }

3、测试验证

javaBean类：