dom4j解析xml问题

sunjigen803 2010-10-25 11:02:54



package com.huateng.util;



import java.io.File;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.OutputStreamWriter;

import java.net.MalformedURLException;

import java.util.List;





import org.dom4j.*;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;



public class ExtraUtil {

	Document doc = null;

	Element rootElement = null;

	String label = null;

	String editor = null;

	boolean createLabel = false;

	boolean createEditor = false;

	public ExtraUtil(Document doc,String label,String editor){

		this.doc = doc;

		this.rootElement = doc.getRootElement();

		this.label = label;

		this.editor = editor;

		this.init();

	}

	public void init() { 

		if(this.label!=null&&!this.label.equals("")){

			this.createLabel = true;

		}

		if(this.editor!=null&&!this.editor.equals("")){

			this.createEditor = true;

		}

		//如果一个label标签都没有，添加FieldLabels

		if(this.createLabel){

			if(this.rootElement.selectNodes("FieldLabels").size()==0){

				this.rootElement.addElement("FieldLabels");

			}

		}

		//如果一个editor标签都没有，添加Editors

		if(this.createEditor){

			if(this.rootElement.selectNodes("Editors").size()==0){

				this.rootElement.addElement("Editors");

			}

		}

} 

	public static Document read(String fileName) throws MalformedURLException, DocumentException { 

	       SAXReader reader = new SAXReader(); 

	       Document document = reader.read(new File(fileName));

	       System.out.println(document.getStringValue());

	       return document; 

	    } 

	public static void main(String[] args) {

		//对应xml的位置

		String docPath = "D:\\work\\SICS\\WEB-INF\\ExtraUtilTest.xml";

		//对应的dataset名字

		String datasetName = "GlobalData";

		//要添加的label的后缀，如果不需要生成label=""即可

		String label = "Label";

		//要添加的editor的后缀

		String editor = "";

		

		try{

			Document doc = ExtraUtil.read(docPath);

			ExtraUtil extraUtil = new ExtraUtil(doc,label,editor);

			//Element rootElement = doc.getRootElement();

			

			Element datasetElement = extraUtil.getDataSetByName(datasetName);

			if(datasetElement==null) throw new Exception("不存在的dataset");

			

			extraUtil.createLabel(datasetElement);

			

			//去掉换行

			

			//转换为window格式

			

			//写入原文件

			XMLWriter output;

	        OutputFormat format = OutputFormat.createCompactFormat();

	        format.setEncoding("UTF-8");

	        //输出文件时定义已UTF-8形成文档

	        FileWriter fileWriter = new FileWriter(docPath);

	        OutputStreamWriter out = new OutputStreamWriter(

	        		new FileOutputStream(docPath),"UTF-8");

			//out.write(doc.getStringValue());

			//out.close();

	        output = new XMLWriter(fileWriter, format);

	        output.write(doc);

	        output.close();



		}catch(Exception e){

			e.printStackTrace();

		}



	}

	

	public Element getDataSetByName(String datasetName) { 

			List datasets = ((Element)this.rootElement.selectNodes("Datasets").get(0)).selectNodes("Dataset");

			for(int i=0;i<datasets.size();i++){

				Element dataset = (Element)datasets.get(i);

				Node datasetId = dataset.selectSingleNode("id");

				if(datasetId.getText().equals(datasetName)){

					return dataset;

				}

			}

	       return null;

	} 

	

	public Element createLabel(Element datasetElement) { 

		Element fieldLabelsElement = null;

		Element editorsElement = null;

		String datasetName = datasetElement.selectSingleNode("id").getText();

		if(this.createLabel) {

			fieldLabelsElement = (Element)this.rootElement.selectNodes("FieldLabels").get(0);

		}

		if(this.createEditor){

			editorsElement = (Element)this.rootElement.selectNodes("Editors").get(0);

		}

		List datasetFields = ((Element)datasetElement.selectNodes("Fields").get(0)).selectNodes("Field");

		

		//getLabelOrEditorMaxIndex();

		for(int i=0;i<datasetFields.size();i++){

			String fieldName = ((Element)datasetFields.get(i)).selectSingleNode("name").getText();

			if(fieldName.equals("AvailRecord")||fieldName.equals("sqlResend")||fieldName.equals("ibps_sql_id")){

				continue;

			}

			if(this.createLabel){

				Element fieldLabelElement = fieldLabelsElement.addElement("FieldLabel");

				Element e1 = fieldLabelElement.addElement("dataField");

				e1.setText(fieldName);

				Element e2 = fieldLabelElement.addElement("dataset");

				e2.setText(datasetName);

				Element e3 = fieldLabelElement.addElement("id");

				e3.setText(fieldName+this.label);

			}

			

			if(this.createEditor){

				Element editorElement = editorsElement.addElement("Editor");

				Element e4 = editorElement.addElement("dataField");

				e4.setText(fieldName);

				Element e5 = editorElement.addElement("dataset");

				e5.setText(datasetName);

				Element e6 = editorElement.addElement("id");

				e6.setText(fieldName+this.editor);

				Element e7 = editorElement.addElement("width");

				e7.setText("200");

			}

		}

       return null;

	} 

}



<?xml version="1.0" encoding="UTF-8"?>

<Extra><Datasets><Dataset><datasetType>custom</datasetType><id>GlobalData</id><Fields><Field><dataType>string</dataType><name>AvailRecord</name></Field><Field><dataType>string</dataType><defaultValue>00000001</defaultValue><label>SQL 上送报文用resend</label><name>sqlResend</name></Field><Field><defaultValue>3813_1</defaultValue><name>ibps_sql_id</name></Field><Field><dataType>date</dataType><label>原工作日期</label><name>SICS_080110_OWorkDate</name><size>10</size></Field><Field><dataType>string</dataType><dropDown>SICS_080110_InOutFlag</dropDown><label>提出提入标志</label><name>SICS_080110_InOutFlag</name><size>1</size></Field><Field><dataType>string</dataType><label>原交易发起机构</label><name>SICS_080110_O_Originato</name><size>12</size></Field><Field><dataType>string</dataType><dropDown>SICS_080110_TrnCode</dropDown><label>交易类型</label><name>SICS_080110_TrnCode</name><size>4</size></Field><Field><dataType>string</dataType><label>原交易系统参考号</label><mask>y</mask><maskErrorMessage>n</maskErrorMessage><name>SICS_080110_O_ID</name><size>16</size></Field></Fields></Dataset></Datasets><FieldLabels><FieldLabel><dataField>SICS_080110_OWorkDate</dataField><dataset>GlobalData</dataset><id>fldlabel1_SICS_080110_OWorkDate</id></FieldLabel></FieldLabels><Editors><Editor><dataField>SICS_080110_OWorkDate</dataField><dataset>GlobalData</dataset><id>SICS_080110_OWorkDateEditor</id><width>200</width></Editor></Editors></Extra>

java读取xml时，输出的中文乱码，请高手看看怎么解决

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