java动态修改xml文件（增删改查）

package com.aaa.utils;import java.io.File;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import javax.validation.constraints.Null;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerConfigurationException;import javax.xml.transform.TransformerException;import javax.xml.transform.TransformerFactory;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;import javax.xml.xpath.XPath;import javax.xml.xpath.XPathConstants;import javax.xml.xpath.XPathExpressionException;import javax.xml.xpath.XPathFactory;import org.w3c.dom.Document;import org.w3c.dom.Element;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import com.fasterxml.jackson.annotation.JsonSubTypes.Type;/** * xml文件读取，增删改节点处理 * */public class XmlFileUtil {private static List<String> commonNodeArr = new ArrayList<String>();/** * @description 获取文件路径 * @return String */public static String getPath(String flieName){String path = "";path= XmlFileUtil.class.getProtectionDomain().getCodeSource().getLocation().getFile();return path +flieName;}/** * @description 从XML文件中读取Map * @return String  */public static String getMapByXML(String fileName){DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();File f = new File(getPath(fileName));DocumentBuilder db = null;Element element = null;String jsonStr = "";try{db=df.newDocumentBuilder();Document dt = db.parse(f);element = dt.getDocumentElement();NodeList childNodes = element.getChildNodes();StringBuffer json = new StringBuffer("[");XmlFileUtil p = new XmlFileUtil();json = p.iterationNode(childNodes, true, "0",json);jsonStr = json.substring(0, json.length()-1)+"]";}catch(Exception e){e.printStackTrace();}return jsonStr;}/** * 迭代获取节点 * childNodes 子节点集合 * hasChildren 是否有子节点 * id id值 * json 字符串 */private StringBuffer iterationNode(NodeList childNodes,boolean hasChildren,String id,StringBuffer json){         if(hasChildren){             for( int i=1;i<childNodes.getLength() && childNodes!=null;i+=2){             Node node = childNodes.item(i);             json.append("{id:\""+id+"_"+i+"\",");             json.append("pId:\""+id+"\",");   json.append("name:\""+node.getNodeName()+"\",");   json.append("open:0,");             json.append("lt:\""+node.getAttributes().getNamedItem("经度").getNodeValue()+"\",");//经度             json.append("la:\""+node.getAttributes().getNamedItem("纬度").getNodeValue()+"\",");//纬度                 if((node.getChildNodes()).getLength()>1 && node.getChildNodes()!=null){                 json.append("isParent:1},");                     json = iterationNode(node.getChildNodes(),true,id+"_"+i,json);                 }else{                 json.append("isParent:0},");                 }             }         }         return json;     }/** * 根据节点参数查询节点 * @param express 节点路径 * @param source 搜索节点源 * @return 查询到的第一个节点 */public static Node selectSingleNode(String express, Element source) {Node result = null;//创建XPath工厂XPathFactory xPathFactory = XPathFactory.newInstance();//创建XPath对象XPath xpath = xPathFactory.newXPath();try {result = (Node) xpath.evaluate(express, source,XPathConstants.NODE);} catch (XPathExpressionException e) {e.printStackTrace();//System.out.println(e.getMessage());return null;}return result;}/** * 添加节点 * @param fileName 文件名 * @param nodeFullName 添加节点相对路径 * @param name 节点名 * @param jd 经度 * @param wd 纬度 * @return 操作结果 */public static String addNode(String fileName, String nodeFullName, String name, String jd, String wd) {//提示信息String msg = null;DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();File f = new File(getPath(fileName));DocumentBuilder db = null;try{db=df.newDocumentBuilder();Document xmlDoc = db.parse(f);Element root = xmlDoc.getDocumentElement();Element node = xmlDoc.createElement(name);node.setAttribute("常用","0");node.setAttribute("经度",jd);node.setAttribute("纬度",wd);if("".equals(nodeFullName) || nodeFullName == null){//获取同级节点NodeList preNode = root.getChildNodes();for (int i = 0; i < preNode.getLength(); i++) {if(name.equals(preNode.item(i).getNodeName())){throw new Exception("存在同名地点");};}root.appendChild(node);} else {Element nodeParent = (Element) selectSingleNode(nodeFullName, root);//获取同级节点NodeList preNode = nodeParent.getChildNodes();for (int i = 0; i < preNode.getLength(); i++) {if(name.equals(preNode.item(i).getNodeName())){throw new Exception("存在同名地点");};}nodeParent.appendChild(node);}TransformerFactory transformerFactory = TransformerFactory.newInstance();Transformer transformer = transformerFactory.newTransformer();transformer.setOutputProperty("encoding", "utf-8");transformer.setOutputProperty("indent", "yes");transformer.transform(new DOMSource(xmlDoc), new StreamResult(new File(getPath(fileName))));//output(xmlDoc);}catch(Exception e){e.printStackTrace();msg = e.getMessage();}return msg;}/** * 修改节点 * @param fileName 文件名 * @param nodeFullName 添加节点相对路径 * @param name 节点名 * @param jd 经度 * @param wd 纬度 * @return 操作结果 */public static String updateNode(String fileName, String nodeFullName, String name, String jd, String wd) {//提示信息String msg = null;DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();File f = new File(getPath(fileName));DocumentBuilder db = null;try{db=df.newDocumentBuilder();Document xmlDoc = db.parse(f);Element root = xmlDoc.getDocumentElement();Element node = (Element) selectSingleNode(nodeFullName, root);//获取同级节点NodeList preNode = node.getParentNode().getChildNodes();for (int i = 0; i < preNode.getLength(); i++) {if(name.equals(preNode.item(i).getNodeName())){throw new Exception("存在同名地点");};}xmlDoc.renameNode(node, null, name);node.setAttribute("经度",jd);node.setAttribute("纬度",wd);/*Element newElement = xmlDoc.createElement(name);newElement.setAttribute("经度",jd);newElement.setAttribute("纬度",wd);node.getParentNode().replaceChild(newElement, node);*/TransformerFactory transformerFactory = TransformerFactory.newInstance();Transformer transformer = transformerFactory.newTransformer();transformer.setOutputProperty("encoding", "utf-8");transformer.setOutputProperty("indent", "yes");transformer.transform(new DOMSource(xmlDoc), new StreamResult(new File(getPath(fileName))));//output(xmlDoc);}catch(Exception e){e.printStackTrace();msg = e.getMessage();;}return msg;}/** * 删除节点 * @param fileName 文件名 * @param nodeFullName 相对位置 * @return 操作结果 */public static String delNode(String fileName, String nodeFullName) {//提示信息String msg = null;DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();df.setIgnoringElementContentWhitespace(true);File f = new File(getPath(fileName));DocumentBuilder db = null;try{db=df.newDocumentBuilder();Document xmlDoc = db.parse(f);//获取根节点Element root = xmlDoc.getDocumentElement();//定位节点Element node = (Element) selectSingleNode(nodeFullName, root);if(node == null){throw new Exception("地点已删除");}//删除节点Element nodeParent = (Element) node.getParentNode();nodeParent.removeChild(node);TransformerFactory transformerFactory = TransformerFactory.newInstance();Transformer transformer = transformerFactory.newTransformer();transformer.setOutputProperty("encoding", "utf-8");transformer.setOutputProperty("indent", "yes");transformer.transform(new DOMSource(xmlDoc), new StreamResult(new File(getPath(fileName))));//output(xmlDoc);}catch(Exception e){e.printStackTrace();msg = e.getMessage();}return msg;}/** * 移动节点 * @param fileName 文件名 * @param nodeFullName 节点相对路径 * @param targetNodeFullname 目标节点相对路径 * @return */public static String moveNode(String fileName, String nodeFullName, String targetNodeFullname,String moveType) {//提示信息String msg = null;DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();File f = new File(getPath(fileName));DocumentBuilder db = null;try{db=df.newDocumentBuilder();Document xmlDoc = db.parse(f);Element root = xmlDoc.getDocumentElement();Element node = (Element) selectSingleNode(nodeFullName, root);Element moveNode = (Element) node.cloneNode(true);node.getParentNode().removeChild(node);Element targetNode = null;if("".equals(targetNodeFullname)){targetNode = root;}else {targetNode = (Element) selectSingleNode(targetNodeFullname, root);}if("inner".equals(moveType)){targetNode.appendChild(moveNode);}else if("prev".equals(moveType)){}else if("next".equals(moveType)){}TransformerFactory transformerFactory = TransformerFactory.newInstance();Transformer transformer = transformerFactory.newTransformer();transformer.setOutputProperty("encoding", "utf-8");transformer.setOutputProperty("indent", "yes");transformer.transform(new DOMSource(xmlDoc), new StreamResult(new File(getPath(fileName))));//output(xmlDoc);}catch(Exception e){e.printStackTrace();msg = e.getMessage();}return msg;}/** * 控制台输出节点 * @param node 节点 */public static void output(Node node){TransformerFactory transformerFactory = TransformerFactory.newInstance();Transformer transformer;try {transformer = transformerFactory.newTransformer();transformer.setOutputProperty("encoding", "utf-8");transformer.setOutputProperty("indent", "yes");DOMSource source = new DOMSource();source.setNode(node);StreamResult result = new StreamResult();result.setOutputStream(System.out);transformer.transform(source, result);} catch (TransformerConfigurationException e) {e.printStackTrace();} catch (TransformerException e) {e.printStackTrace();}}/** * 获取常用地址 * @param fileName 文件名 * @return 操作结果 */public static Map<String, Object> getCommonNode(String fileName) {//提示信息String msg = null;DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();File f = new File(getPath(fileName));DocumentBuilder db = null;try{db=df.newDocumentBuilder();Document xmlDoc = db.parse(f);Element root = xmlDoc.getDocumentElement();NodeList nodes = root.getChildNodes();commonNodeArr.clear();if(nodes!= null){for (int i = 1; i < nodes.getLength(); i+=2) {getNodeList(nodes.item(i),"3","常用","1");}}}catch(Exception e){e.printStackTrace();msg = e.getMessage();;}Map<String, Object> map = new HashMap<String, Object>();map.put("msg", msg);map.put("commonNodeArr", commonNodeArr);return map;}/** * 修改地址  常用属性 * @param fileName 文件名 * @param fullPathArr 修改节点相对路径数组    常用属性置为1 * @return 操作结果 */public static String updateCommonNode(String fileName, String[] fullPathArr) {//提示信息String msg = null;DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();File f = new File(getPath(fileName));DocumentBuilder db = null;try{db=df.newDocumentBuilder();Document xmlDoc = db.parse(f);Element root = xmlDoc.getDocumentElement();NodeList nodes = root.getChildNodes();if(nodes!= null){for (int i = 1; i < nodes.getLength(); i+=2) {getNodeList(nodes.item(i),"1","常用","0");}}for (String fullPath : fullPathArr) {Node n = selectSingleNode(fullPath, root);getNodeList(n,"2","常用","1");}//保存操作TransformerFactory transformerFactory = TransformerFactory.newInstance();Transformer transformer = transformerFactory.newTransformer();transformer.setOutputProperty("encoding", "utf-8");transformer.setOutputProperty("indent", "yes");transformer.transform(new DOMSource(xmlDoc), new StreamResult(new File(getPath(fileName))));}catch(Exception e){e.printStackTrace();msg = e.getMessage();;}return msg;}/** * 遍历修改节点属性 * @param node 操作节点 * @param type 1-移出属性 2-添加属性  3-根据属性值获取节点名 * @param attr 属性名 */public static void getNodeList(Node node,String type,String attr,String val){Element eNode = (Element)node;if("1".equals(type)){if(eNode.hasAttribute(attr)){eNode.setAttribute(attr, val);}NodeList nodes = node.getChildNodes();if(nodes!= null){for (int i = 1; i < nodes.getLength(); i+=2) {getNodeList(nodes.item(i),type,attr,val);}}}else if("2".equals(type)){eNode.setAttribute(attr, val);}else if("3".equals(type)){if( val.equals(node.getAttributes().getNamedItem(attr).getNodeValue()) ){commonNodeArr.add(node.getNodeName());}NodeList nodes = node.getChildNodes();if(nodes!= null){for (int i = 1; i < nodes.getLength(); i+=2) {getNodeList(nodes.item(i),type,attr,val);}}}}/*public static void main(String[] args) {addNode("map.xml", "//亚洲", "asdf", "001", "002");updateNode("map.xml", "//亚洲//asdf", "wert", "555", "666");delNode("map.xml", "//亚洲//wert");System.out.println("0000");}*/}