trimvalue.java~1~

本程序用JAVA编制

import java.util.*;
import java.io.*;
import java.sql.Timestamp;
import org.w3c.dom.*;
import org.apache.xerces.parsers.DOMParser;

public class trimvalue {

  private static final String xmlFile = "new-xml/2.xml";

  //public trimvalue(){
  public static void main(String args[]) {

    try {
      Document xml = StockHelper.parseXMLFromFile(xmlFile);
      Element root = xml.getDocumentElement();
      //int stocklen = root.getElementsByTagName("stock").getChildNodes().getLength();
      NodeList nl = root.getElementsByTagName("stock");
      Element stock = (Element)nl.item(0);

      int rootlen = nl.getLength(); // stock 节点的个数
      int stocklen = stock.getChildNodes().getLength(); // 15
      //System.out.print((stock.getChildNodes().getLength()-1)/2);

      //for(int i=0;i<rootlen;i++){
        ///for(int j=1;j<stocklen;j=j+2){
          //String value=nl.item(i).getChildNodes().item(j).getChildNodes().item(0).getNodeValue();
          root.removeChild(nl.item(0));
       // }
      //}
    } catch (XMLHelperException xmlhe) {
      System.err.println(
          "There was an error in the extraction process:\n" + xmlhe.getMessage());
    }
  }
}