漂在爪洼島上

  1 package com.potevio.telecom;
  2 
  3 //文件類
  4 import java.io.File;
  5 import java.io.FileNotFoundException;
  6 
  7 //文件輸出類
  8 import java.io.FileOutputStream;
  9 import java.io.IOException;
 10 
 11 //負責解析的類
 12 import javax.xml.parsers.DocumentBuilder;
 13 import javax.xml.parsers.DocumentBuilderFactory;
 14 import javax.xml.parsers.ParserConfigurationException;
 15 
 16 //映射類
 17 import javax.xml.transform.Transformer;
 18 import javax.xml.transform.TransformerConfigurationException;
 19 import javax.xml.transform.TransformerException;
 20 import javax.xml.transform.TransformerFactory;
 21 
 22 //xml映射輸入和輸出類
 23 import javax.xml.transform.dom.DOMSource;
 24 import javax.xml.transform.stream.StreamResult;
 25 
 26 //節點類
 27 import org.w3c.dom.Comment;
 28 import org.w3c.dom.Document;
 29 import org.w3c.dom.Element;
 30 import org.w3c.dom.Node;
 31 import org.w3c.dom.NodeList;
 32 
 33 /**
 34  * @description 構造一個北京到長沙的簡單列車時刻表.用DOM的方式實現.
 35  * 
 36  * @author Zhou-Jingxian
 37  * 
 38  * @date Jun 18, 2009
 39  *
 40  */
 41 public class CreateXMLContent {
 42     
 43     public static void main(String args[]){
 44         
 45         try {
 46             //構造的原始數據對象
 47             String train[] = {"T1次","K185次","Z17次"};
 48             String type[] = {"特快","普快","直達"};
 49             String startTime[] = {"15:45","11:47","18:10"};
 50             
 51             //解析器工廠類
 52             DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
 53             
 54             //解析器
 55             DocumentBuilder builder = factory.newDocumentBuilder();
 56             
 57             //操作的Document對象
 58             Document document = builder.newDocument();
 59             
 60             //設置XML的版本
 61             document.setXmlVersion("1.0");
 62             
 63             //添加注釋
 64             Comment xmlComment = document.createComment("本文檔中內容主要用于測試！");
 65             
 66             //將注釋添加到xml中
 67             document.appendChild(xmlComment);
 68             
 69             //設置根節點名稱
 70             Element traintimelist = document.createElement("火車時刻表");
 71             
 72             //把節點添加到根節點
 73             document.appendChild(traintimelist);
 74             
 75             for(int k = 1; k <=train.length; k++){
 76                 traintimelist.appendChild(document.createElement("車次"));
 77             }
 78             
 79             NodeList nodeList = document.getElementsByTagName("車次");
 80             int size = nodeList.getLength();
 81             for(int k = 0; k<size; k++){
 82                 Node node = nodeList.item(k);
 83                 if(node.getNodeType() == Node.ELEMENT_NODE){
 84                     Element elementNode = (Element)node;
 85                     elementNode.setAttribute("類別", type[k]);
 86                     elementNode.appendChild(document.createElement("名字"));
 87                     elementNode.appendChild(document.createElement("開車時間"));
 88                     
 89                 }
 90             }
 91             
 92             nodeList = document.getElementsByTagName("名字");
 93             size = nodeList.getLength();
 94             for(int k = 0; k<size; k++){
 95                 Node node = nodeList.item(k);
 96                 if(node.getNodeType() == Node.ELEMENT_NODE){
 97                     Element elementNode = (Element)node;
 98                     elementNode.appendChild(document.createTextNode(train[k]));
 99                     
100                 }
101             }
102             
103             nodeList = document.getElementsByTagName("開車時間");
104             size = nodeList.getLength();
105             for(int k = 0; k<size; k++){
106                 Node node = nodeList.item(k);
107                 if(node.getNodeType() == Node.ELEMENT_NODE){
108                     Element elementNode = (Element)node;
109                     elementNode.appendChild(document.createTextNode(startTime[k]));
110                     
111                 }
112             }
113             
114             //開始把Document映射到文件
115             TransformerFactory transFactory = TransformerFactory.newInstance();
116             Transformer transformer = transFactory.newTransformer();
117             
118             //設置輸出結果
119             DOMSource domSource = new DOMSource(document);
120             
121             //生成xml文件
122             File file = new File("北京到長沙火車時刻表.xml");
123             
124             //判斷是否存在,如果不存在,則創建
125             if(!file.exists()){
126                 file.createNewFile();
127             }
128             
129             //文件輸出流
130             FileOutputStream out = new FileOutputStream(file);
131             
132             //設置輸入源
133             StreamResult xmlResult = new StreamResult(out);
134             
135             //輸出xml文件
136             transformer.transform(domSource, xmlResult);
137             
138             //測試文件輸出的路徑
139             System.out.println(file.getAbsolutePath());
140             
141         } catch (ParserConfigurationException e) {
142             
143             e.printStackTrace();
144         } catch (TransformerConfigurationException e) {
145             
146             e.printStackTrace();
147         } catch (FileNotFoundException e) {
148             
149             e.printStackTrace();
150         } catch (TransformerException e) {
151             
152             e.printStackTrace();
153         } catch (IOException e) {
154             
155             e.printStackTrace();
156             
157         }finally{
158             
159         }
160         
161     }
162 }
163