xml创建,解析,查找,删除.docx

package com.zjzs.xml;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import javax.xml.transform.OutputKeys;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.DOMException;import org.w3c.dom.Document;import org.w3c.dom.Element;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import org.w3c.dom.Text;import org.xml.sax.SAXException;import com.zjzs.errorInfo.ErrorInfo;import erFace.ISaveTimerXml;/* * * 在XML中增加节点 在原有的XML文件中，根据节点，添加数据 */public class SaveTimerXml implements ISaveTimerXml private DocumentBuilder builder;private String fileName = ;private String str = ;public SaveTimerXml() try DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();builder = factory.newDocumentBuilder();fileName = Thread.currentThread().getContextClassLoader().getResource(com/zjzs/data/TimerData.xml).toString().replace(file:/, ); catch (ParserConfigurationException e) / TODO Auto-generated catch blocke.printStackTrace();/ 创建xml/* * rName：报表名 rTimer：任务时间(月-日 时:分:秒04-01 15:00:00) * rType：报表类型(m:月报;q:季报;y:年报) rPath：报表运行环境 rSavePath：报表保存路径 rXzdqCode：行政地区编码 * rXzdqName：行政地区名称 pName：参数名称 */public String createXml(String rName, String rTimer, String rType,String rPath, String rSavePath, String rXzdqCode, String rXzdqName,String pName) String result = ok;try /添加任务时如果已有任务则删除报表信息removeNode(rName);/ 将给定文件的内容解析为一个 XML 文档，并且返回一个新的 DOM Document 对象。Document doc = builder.parse(new File(fileName);/ 创建一个节点名为reportTimersElement reportTimers = doc.createElement(reportTimers);/ 为报表名称添加节点Element reportName = doc.createElement(reportName);Text textName = doc.createTextNode(rName); / 创建给定指定字符串的 Text 节点。reportName.appendChild(textName);reportTimers.appendChild(reportName);/ 为任务时间添加节点Element reportTimer = doc.createElement(reportTimer);Text txtTimer = doc.createTextNode(rTimer);reportTimer.appendChild(txtTimer);reportTimers.appendChild(reportTimer);/ 为报表类型(月:m;季:q;年:y)添加节点Element reportType = doc.createElement(rType);Text txtType = doc.createTextNode(rType);reportType.appendChild(txtType);reportTimers.appendChild(reportType);/ 为报表运行环境添加节点Element reportPath = doc.createElement(reportPath);Text txtrPath = doc.createTextNode(rPath);reportPath.appendChild(txtrPath);reportTimers.appendChild(reportPath);/ 为行政地区编码添加节点Element reportXzdqCode = doc.createElement(reportXzdqCode);Text textXzdqCode = doc.createTextNode(rXzdqCode);reportXzdqCode.appendChild(textXzdqCode);reportTimers.appendChild(reportXzdqCode);/ 为行政地区名称添加节点Element reportXzdqName = doc.createElement(reportXzdqName);Text textXzdqName = doc.createTextNode(rXzdqName);reportXzdqName.appendChild(textXzdqName);reportTimers.appendChild(reportXzdqName);/ 为报表excel保存路徑添加节点Element reportSavePath = doc.createElement(reportSavePath);Text textrSavePath = doc.createTextNode(rSavePath);reportSavePath.appendChild(textrSavePath);reportTimers.appendChild(reportSavePath);/ 为参数名添加节点Element parameterName = doc.createElement(parameterName);Text textParameterName = doc.createTextNode(pName);parameterName.appendChild(textParameterName);reportTimers.appendChild(parameterName);doc.getDocumentElement().appendChild(reportTimers);/ 保存数据到xml中saveXmlFile(doc); catch (IllegalArgumentException e) result = ErrorInfo.errorInfo(e);e.printStackTrace(); catch (FileNotFoundException e) result = ErrorInfo.errorInfo(e);e.printStackTrace(); catch (SAXException e) result = ErrorInfo.errorInfo(e);/ TODO Auto-generated catch blocke.printStackTrace(); catch (IOException e) result = ErrorInfo.errorInfo(e);/ TODO Auto-generated catch blocke.printStackTrace();return result;/ 解析xmlpublic void parserXml(String fileName) try DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();DocumentBuilder db = dbf.newDocumentBuilder();Document document = db.parse(fileName);NodeList employees = document.getChildNodes();for (int i = 0; i employees.getLength(); i+) Node employee = employees.item(i);NodeList employeeInfo = employee.getChildNodes();for (int j = 0; j employeeInfo.getLength(); j+) Node node = employeeInfo.item(j);NodeList employeeMeta = node.getChildNodes();for (int k = 0; k employeeMeta.getLength(); k+) System.out.println(employeeMeta.item(k).getNodeName()+ : + employeeMeta.item(k).getTextContent(); catch (FileNotFoundException e) e.printStackTrace(); catch (ParserConfigurationException e) e.printStackTrace(); catch (SAXException e) e.printStackTrace(); catch (IOException e) e.printStackTrace();/ 根据模板名删除模板信息public void removeNode(String rName) try / 将给定文件的内容解析为一个 XML 文档，并且返回一个新的 DOM Document 对象。Document doc = builder.parse(new File(fileName);/ 创建一个节点名为 reportTimersElement reportTimers = doc.createElement(reportTimers);Element root = doc.getDocumentElement();reportTimers = (Element) selectSingleNode(/dataSource/reportTimersreportName= + rName + ,root);if (reportTimers != null) reportTimers.getParentNode().removeChild(reportTimers);saveXmlFile(doc); catch (DOMException e) / TODO Auto-generated catch blocke.printStackTrace(); catch (SAXException e) / TODO Auto-generated catch blocke.printStackTrace(); catch (IOException e) / TODO Auto-generated catch blocke.printStackTrace();/ 根据任务计划时间查询相对应xml节点数据public String returnReportInfo(String rTimer) String error = ;NodeList result = null;try XPathFactory xpathFactory = XPathFactory.newInstance();XPath xpath = xpathFactory.newXPath();/ 将给定文件的内容解析为一个 XML 文档，并且返回一个新的 DOM Document 对象。Document doc = builder.parse(new File(fileName);/ 创建一个节点名为 reportTimersElement root = doc.getDocumentElement();int m = 0;try result = (NodeList) xpath.evaluate(/dataSource/reportTimersreportTimer= + rTimer+ , root, XPathConstants.NODESET);if (result.getLength() 1) m = 1; else m = result.getLength();for (int i = 0; i result.getLength() / m; i+) GetElement(result); catch (XPathExpressionException e) error = ErrorInfo.errorInfo(e);e.printStackTrace(); catch (DOMException e) error = ErrorInfo.errorInfo(e);/ TODO Auto-generated catch blocke.printStackTrace(); catch (SAXException e) error = ErrorInfo.errorInfo(e);/ TODO Auto-generated catch blocke.printStackTrace(); catch (IOException e) error = ErrorInfo.errorInfo(e);/ TODO Auto-generated catch blocke.printStackTrace();return str;/ 保存数据到xml文件中public void saveXmlFile(Document doc) TransformerFactory tf = TransformerFactory.newInstance();try Transformer transformer = tf.newTransformer();DOMSource source = new DOMSource(doc);transformer.setOutputProperty(OutputKeys.ENCODING, gb2312);transformer.setOutputProperty(OutputKeys.INDENT, yes);PrintWriter pw = new PrintWriter(new FileOutputStream(fileName);StreamResult result = new StreamResult(pw);transformer.transform(source, result); catch (TransformerConfigurationException e) / TODO Auto-generated catch blocke.printStackTrace(); catch (IllegalArgumentException e) / TODO Auto-generated catch blocke.printStackTrace(); catch (FileNotFoundException e) / TODO Auto-generated catch blocke.printStackTrace(); catch (TransformerException e) / TODO Auto-generated catch blocke.printStackTrace();/ 查找节点，并返回第一个符合条件节点public Node selectSingleNode(String express, Object source) Node result = null;XPathFactory xpathFactory = XPathFactory.newInstance();XPath xpath = xpathFactory.newXPath();try result = (Node) xpath.evaluate(express, source, XPathConstants.NODE); catch (XPathExpressionException e) e.printStackTrace();return result;/ 查找节点，返回符合条件的节点集。public NodeList selectNodes(String express, Object source) NodeList result = null;XPathFactory xpathFactory = XPathFactory.newInstance();XPath xpath = xpathFactory.newXPath();try result = (NodeList) xpath.evaluate(express, source,XPathConstants.NODESET); catch (XPathExpressionException e) e.printStackTrace();return result;/ 将node的XML字符串输出到控制台public static void output(Node node) TransformerFactory transFactory = TransformerFactory.newInstance();try Transformer transformer = transFactory.newTransformer();transformer.setOutputProperty(encoding, gb2312);transformer.setOutputProperty(indent, yes);DOMSource source = new DOMSource();source.setNode(n