stockreader.java

JAVA编程百例书中各章节的所有例子的源代码,包括套接字编程

package ch07.section10;

import java.io.*;
import java.net.*;

public class StockReader {

  public static void main(String argv[]) throws Exception {
    String urlString = "http://quote.yahoo.com/d/quotes.csv?";
    String p = "s=SUNW&f=slc1wop";
    try {
      //创建URL实例
      URL url = new URL(urlString);
      //打开URL连接并得到URLConnectiong实例
      URLConnection connection = url.openConnection();
      //设置可以输出
      connection.setDoOutput(true);
      PrintWriter out = new PrintWriter(connection.getOutputStream());
      out.println(p);
      out.close();
      //得到服务器返回的消息
      BufferedReader in = new BufferedReader(
          new InputStreamReader(connection.getInputStream()));
      String line = in.readLine();
      in.close();
      //将结果输出到信息栏
      System.out.println("Name: " + Stock.getName(line));
      System.out.println("Price: " + Stock.getPrice(line));
      System.out.println("Date: " + Stock.getDate(line));
    }
    catch (MalformedURLException e) {
      System.out.println(e.getMessage());
    }
    catch (IOException e) {
      System.out.println(e.toString());
    }
  }
}