stcoktest.java

从yahoo 爬取股票价格,只要提供股票代码就行

package fav;
import java.util.StringTokenizer;
import java.net.*;
import java.io.*;
public class StcokTest {
	
	public static double getStockPrice(String stockCode){
		double price=0;
		try{
			String strurl="http://cn.finance.yahoo.com/q?s="+stockCode+".SZ";
			URL url = new URL(strurl);
			HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
			httpConn.connect();
			BufferedReader br = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
			
			String strLine="";
			
			while((strLine=br.readLine())!=null){
				strLine = strLine.trim();
				//System.out.println(strLine);
				
				if (strLine.startsWith("<strong class=\"down\">")){
					StringTokenizer stk1 = new StringTokenizer(strLine,"<strong class=\"down\">");
					
					String strPrice=(String)stk1.nextElement();
					price = Double.parseDouble(strPrice);
					break;
				}
				
			}
		}catch(Exception e){
			e.printStackTrace();
		}
		return price; 
	}
	public static void main(String[] args) {
		
		System.out.println(getStockPrice("000623"));
		System.out.println(getStockPrice("000623"));
		System.out.println(getStockPrice("000623"));
		System.out.println(getStockPrice("000623"));
		
	}
}