股票实时价格查询-优快云博客

package hr;


import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;


public class GuPiao {
	public String getGupiao(String gp){
		String u="http://quote.eastmoney.com/sh"+gp+".html";	   
	    URL url;
		try {
			url = new URL(u);
			URLConnection conn= url.openConnection();//按了回车
		    
		    InputStream is=conn.getInputStream();
		    //加入了缓存流
		    BufferedReader br=new BufferedReader(
			    new InputStreamReader(is)); 
			    String content="";
			  	content= br.readLine();
			  	String temp="";
		  	while((temp=br.readLine())!=null){
		  		content+=temp;
		  	}
		    	br.close();
		    	is.close();
		    return content;
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}//地址栏
		return null;
	}
}

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    	<script type="text/javascript" src="dwr/engine.js"></script>
	<script type="text/javascript" src="dwr/util.js"></script>
	<script type="text/javascript" src="dwr/interface/myjs.js"></script>
	<script type="text/javascript">
	function getGp(){
		myjs.getGupiao($("gp").value,function(date){
			document.getElementById("div").innerHTML=date;
		});
	}
	
	</script>
  </head>
  
  <body>
    <input type="text" id="gp" onblur="getGp()">
   
    <div id="div"   > </div>
  </body>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC
    "-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN"
    "http://getahead.ltd.uk/dwr/dwr20.dtd">
    <dwr>
    	<allow>
    		<create javascript="myjs" creator="new">
    			<param name="class" value="hr.GuPiao"></param>
    		</create>
    	</allow>
    </dwr>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 
 <servlet>
  <servlet-name>dwr</servlet-name>
  <servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
 </servlet>
 <servlet-mapping>
  <servlet-name>dwr</servlet-name>
  <url-pattern>/dwr/*</url-pattern>
 </servlet-mapping>
 
 <welcome-file-list>
  <welcome-file>index.jsp</welcome-file>
 </welcome-file-list>
 <login-config>
  <auth-method>BASIC</auth-method>
 </login-config>
</web-app>

java URL 编程