qlsh1.java~51~

本程序用JAVA编制

import java.util.*;
import java.io.*;
import java.sql.Timestamp;
import org.w3c.dom.*;


public class Qlsh1 {

  private static final String source =
      "http://quote.stockstar.com/stock/external_dealm.asp?target=dealm&code=shag600002&sHour=9&sMin=29&eHour=10&eMin=40";
  private static final String xslFile = "new-xml/stock/600002.xsl";
  private static final String xmlFile = "new-xml/stock/2.xml";

  //public Qlsh1(){
  public static void main(String args[]) {
    try {
      // Retrieve the source document as XML
      Document xhtml = StockHelper.tidyHTML(source);
      // Parse the XSL document
      Document xsl   = StockHelper.parseXMLFromFile(xslFile);
      // Get the current data by applying the XSL transform
      Document data  = StockHelper.transformXML(xhtml, xsl);
      // For convenience, add a timestamp to what we have done
      //Document resultxml = StockHelper.parseXMLFromFile(xmlFile);

      Date now = new Date();
      Timestamp time = new Timestamp(now.getTime());
      Element root = data.getDocumentElement();
      NodeList nl = root.getElementsByTagName("stock");
      //NodeList nl = root.getChildNodes().item(0).getChildNodes();
      Element stock = (Element)nl.item(0);
      int stock_len=stock.getChildNodes().getLength();

      // 删除非数值数据（表头的汉字）
      for(int i=0;i<2;i++){
        //System.out.println(root.getChildNodes().item(i).getChildNodes().item(0).getChildNodes().item(0).getNodeValue());
        root.removeChild(root.getChildNodes().item(0));
      }

      // 删除多余空格
      for(int j=0;j<stock_len;j++){
        //String value=stock.getChildNodes().item(j).getChildNodes().item(0).getNodeValue();
        //stock.getChildNodes().item(j).getChildNodes().item(0).setNodeValue(value.trim());
        System.out.println(stock.getChildNodes().item(j).getChildNodes().item(0).getNodeValue());

      }
      //String newtime=stock.getChildNodes().item(4).getChildNodes().item(0).getNodeValue();
      //System.out.println(root);
      //System.out.println(root.getChildNodes().item(0));
      //System.out.println(stock.getChildNodes().item(0).getChildNodes().item(0).getNodeValue().trim());
      //Write the output file, merging if necessary
      File dataFile  = new File(xmlFile);
      if (dataFile.exists()) {
        //If we have extracted before, merge the data and write the file
        Document oldData = StockHelper.parseXMLFromFile(dataFile);
        Element oldroot = oldData.getDocumentElement();
        NodeList oldnl = oldroot.getElementsByTagName("stock");
        Element oldstock = (Element)oldnl.item(0);


        //String firsttime=oldstock.getElementsByTagName("time").item(0).getChildNodes().item(0).getNodeValue();
        //System.out.println("first time="+firsttime);

        int len=oldroot.getChildNodes().getLength();
        String lasttime=oldroot.getChildNodes().item(len-2).getChildNodes().item(1).getChildNodes().item(0).getNodeValue();
        //System.out.println("last time="+lasttime);

          /*if(newtime.equals(lasttime)){
            System.out.println("qlsh----none");
          }
          else{
            StockHelper.mergeXML(oldData.getDocumentElement(), stock, false);
            StockHelper.outputXMLToFile(oldData, xmlFile);
            System.out.println("qlsh-----ok  "+newtime);
          }*/

        //System.out.print(stock.getChildNodes().item(0).getChildNodes().item(0).getNodeValue());
      } else {
            // If this is our first extraction, just write the file
            StockHelper.outputXMLToFile(data, xmlFile);
          }

    } catch (XMLHelperException xmlhe) {
      System.err.println(
          "There was an error in the extraction process:\n" + xmlhe.getMessage());
    }
  }
}