import javax.xml.parsers.*;
import java.util.*;
import java.io.*;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
public class CreateXML {
DocumentBuilderFactory factory=null;
DocumentBuilder builder=null;
org.w3c.dom.Document myDocument = null;
//创建XML文件
//要创建的XML名字和路进
public void ctrateXMlFile(String file){
Element carElement = new Element("web-app");//建立元素
Document myDocument = new Document(carElement);//建立一个文档并指定根元素
try {
XMLOutputter outputter = new XMLOutputter();
outputter.output(myDocument, System.out);
FileWriter writer = new FileWriter(file);
outputter.output(myDocument, writer);
writer.close();
} catch (java.io.IOException e) {
e.printStackTrace();
}
}
//增加节点
//第1个参数:要增加节点的名字,第2个参数:要修改xml的路进名
public void addXMLNode(String nodeName,String xmlFile){
try {
Element element=null;
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
if(doc.getRootElement().getChild(nodeName)!=null){
System.out.println("该节点以存在！");
}
else{
element =new Element(nodeName);
doc.getRootElement().addContent(element);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//增加节点属性
//第1个参数:要增加属性的节点的名字,第2个参数:要增加属性的名字,第3个参数:属性的值,第4个参数:要修改xml的路进名
public void setXMLNodeAttribute(String nodeName,String attribute,String value,String xmlFile){
try {
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
//System.out.println("a"+ e.getChild("servlet"));
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else{
e.getChild(nodeName).setAttribute(attribute,value);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//增加接点内容
//第1个参数:要增加内容的节点的名字,第2个参数:要增加的内容,第3个参数:要修改xml的路进名
public void setXMLNodeContent(String nodeName,String content,String xmlFile){
try{
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
//System.out.println("a"+ e.getChild("servlet"));
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else if(e.getChild(nodeName).getText().equals(content)){
System.out.println("该节点内容以存在!");
}
else{
e.getChild(nodeName).addContent(content);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//增加子接点
//第1个参数:要增子节点的节点的名字,第2个参数:要增加的子节点的名字,第3个参数:要修改xml的路进名
public void setXMLChildNode(String nodeName,String childName,String xmlFile){
try{
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else if(e.getChild(nodeName).getChild(childName)!=null){
System.out.println("该子节点以存在!");
}
else{
Element child=new Element(childName);
e.getChild(nodeName).addContent(child);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//增加子节点属性
//第1个参数:节点的名字,第2个参数:要增加属性的子节点的名字,第3个参数:属性的名字,第4个参数:属性的值,第4个参数:要修改xml的路进名
public void setXMLChildNodeAttribute(String nodeName,String childName,String attribute,String value,String xmlFile){
try{
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else if(e.getChild(nodeName).getChild(childName)==null){
System.out.println("该子节点不存在!");
}
else{
e.getChild(nodeName).getChild(childName).setAttribute(attribute,value);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//增加子节点的内容
//第1个参数:节点的名字,第2个参数:要增加属性的子节点的名字,第3个参数:要增加的内容,第4个参数:要修改xml的路进名
public void setXMLChildNodeContent(String nodeName,String childName,String content,String xmlFile){
try{
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else if(e.getChild(nodeName).getChild(childName).getText().equals(content)){
System.out.println("该子节点内容以存在!");
}
else if(e.getChild(nodeName).getChild(childName)==null){
System.out.println("该子节点不存在!");
}
else{
e.getChild(nodeName).getChild(childName).addContent(content);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//删除节点
//第1个参数:要删除的节点名字,第2个参数:要修改xml的路进名
public void removeXMLNode(String nodeName,String xmlFile){
try{
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else{
e.removeChild(nodeName);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
//删除子节点
//第1个参数:节点名字,第2个参数:要删除的子节点的名字,第3个参数:要修改xml的路进名
public void removeXMLChildNode(String nodeName,String childName,String xmlFile){
try{
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(xmlFile));
Element e=doc.getRootElement();
//System.out.println("a"+ e.getChild("servlet"));
if(e.getChild(nodeName)==null){
System.out.println("该节点不存在!");
}
else if(e.getChild(nodeName).getChild(childName)==null){
System.out.println("该子节点不存在!");
}
else{
e.getChild(nodeName).removeChild(childName);
XMLOutputter fmt = new XMLOutputter();
fmt.output(doc, System.out);
FileWriter writer = new FileWriter(xmlFile);
fmt.output(doc, writer);
writer.close();
}
}
catch(Exception ex){
ex.printStackTrace();
}
}
public static void main(String[] args)throws Exception{
CreateXML xml=new CreateXML();
//新建xml
xml.ctrateXMlFile("create.xml");
//增加节点
xml.addXMLNode("zhangbo3","create.xml");
//增加节点属性
xml.setXMLNodeAttribute("zhangbo3","name","zhangbo","create.xml");
//增加节点的内容
xml.setXMLNodeContent("zhangbo3","white-collar","create.xml");
//增加子节点
xml.setXMLChildNode("zhangbo3","mapping","create.xml");
//增加子节点的属性
xml.setXMLChildNodeAttribute("zhangbo3","mapping","name","struts-config.xml","create.xml");
//增加子节点的内容
xml.setXMLChildNodeContent("zhangbo3","mapping","hello word!","create.xml");
//删除节点
//xml.removeXMLNode("zhangbo3","create.xml");
//删除子节点
//xml.removeXMLChildNode("zhangbo3","mapping","create.xml");
}
}