Javaは宝を洗って秒を殺すことを実現します。

package com.itechzero.pricemonitor; 
 
import java.io.BufferedInputStream; 
import java.io.BufferedReader; 
import java.io.InputStream; 
import java.io.InputStreamReader; 
import java.io.OutputStreamWriter; 
import java.net.URI; 
import java.net.URL; 
import java.net.URLConnection; 
import java.text.SimpleDateFormat; 
import java.util.Date; 
 
/** 
 * PriceMonitor.java 
 * 
 * @author Techzero 
 * @Email [email protected] 
 * @Time 2014-5-21   1:24:30 
 */ 
class MyThread extends Thread { 
 public void run() { 
  try { 
   //              
   PriceMonitor.monitorButton(10); 
  } catch (Exception e) { 
   e.printStackTrace(); 
  } 
 } 
}; 
 
public class PriceMonitor { 
 //      URL 
 private static String URL = "http://detail.ju.taobao.com/home.htm?spm=608.2214381.3.1.AdPEjn&item_id=38260927591&id=10000002781939"; 
 
 //      
 public static void monitorButton(int lastMinute) { 
  int nowMinute = Integer.parseInt(new SimpleDateFormat("mm").format(new Date())); 
  int endMinute = Integer.parseInt(new SimpleDateFormat("mm").format(new Date())) + lastMinute; 
  while (nowMinute < endMinute) { 
   nowMinute = Integer.parseInt(new SimpleDateFormat("mm").format(new Date())); 
   String result[] = getCurrentButtonAndForm(URL, "gb2312").split(","); 
   //        
   String currentButton = result[0]; 
   //        
   //String form = result[1]; 
   String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()); 
   System.out.println(nowTime + " -       " + currentButton); 
 
   if (currentButton == "   " || currentButton.equals("   ") || currentButton == "    " || currentButton.equals("    ")) { 
    System.out.println("    ！"); 
    try { 
     java.awt.Desktop.getDesktop().browse(new URI(URL)); 
    } catch (Exception e) { 
     e.printStackTrace(); 
    } 
    //doPost(form); 
    break; 
   } else if (currentButton == "   " || currentButton.equals("   ") || currentButton.equals("   ") || currentButton.equals("   ")) { 
    System.out.println("     ！"); 
    break; 
   } else { 
    System.out.println("     ，    ！"); 
   } 
  } 
 } 
 
 //          
 public static String getCurrentButtonAndForm(String url, String encoding) { 
  if (url == null || "".equals(url.trim())) 
   return null; 
  String buttonState = ""; 
  StringBuffer content = new StringBuffer(); 
  boolean formFlag = false; 
  try { 
   //   URL   
   URL u = new URL(url); 
   InputStream is = new BufferedInputStream(u.openStream()); 
   InputStreamReader theHTML = new InputStreamReader(is, encoding != null ? encoding : "gb2312"); 
   BufferedReader br = new BufferedReader(theHTML); 
   String s = ""; 
   while ((s = br.readLine()) != null) { 
    if (s.indexOf("<input type=\"submit\" class=\"buyaction J_BuySubmit\" title=\"   \" value=\"   \"/>") != -1) { 
     buttonState = "   "; 
    } else if (s.indexOf("<a href=\"#\" class=\"extra notice J_BuyButtonSub\">    </a>") != -1) { 
     buttonState = "    "; 
    } else if (s.indexOf("<div class=\"main-box chance \">") != -1) { 
     buttonState = "    "; 
    } else if (s.indexOf("<span class=\"out floatright\">   ...</span>") != -1) { 
     buttonState = "   "; 
    } else if (s.indexOf("<span class=\"out floatright\">   ...</span>") != -1) { 
     buttonState = "   "; 
    } 
    if (s.indexOf("<form class=\"J_BuySubForm\" data-ccb=\"0\" data-ques=\"0\" action") != -1) { 
     content.append(s + "\r
"); 
     formFlag = true; 
    } 
    if (formFlag == true) { 
     if (s.indexOf("<input name=\'_tb_token_\' type=\'hidden\' value") != -1) { 
      content.append(s + "\r
"); 
     } 
     if (s.indexOf("<input type=\"hidden\" name=\"_input_charset\" value") != -1) { 
      content.append(s + "\r
"); 
     } 
     if (s.indexOf("<input type=\"hidden\" name=\"itemId\" value") != -1) { 
      content.append(s + "\r
"); 
     } 
     if (s.indexOf("<input type=\"hidden\" name=\"id\" value") != -1) { 
      content.append(s + "\r
"); 
     } 
     if (s.indexOf("<input type=\"hidden\" name=\"tgType\" value") != -1) { 
      content.append(s + "\r
"); 
     } 
     if (s.indexOf("<input type=\"submit\" class=\"buyaction J_BuySubmit\"") != -1) { 
      content.append(s + "\r
"); 
     } 
     if (s.indexOf("</form>") != -1) { 
      content.append(s + "\r
"); 
     } 
    } 
    if (s.indexOf("<div class=\"time-banner\">") != -1) { 
     break; 
    } 
   } 
   br.close(); 
  } catch (Exception e) { 
   System.err.println(e); 
   return "Open URL Error"; 
  } 
  return buttonState + "," + content; 
 } 
 
 //      
 public static String doPost(String form) { 
  StringBuffer content = new StringBuffer(); 
  try { 
   URLConnection connection = new URL(URL).openConnection(); 
   connection.setDoOutput(true); 
   OutputStreamWriter os = new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); 
   os.write(form); 
   os.flush(); 
   os.close(); 
   InputStream is = connection.getInputStream(); 
   InputStreamReader theHTML = new InputStreamReader(is); 
   BufferedReader br = new BufferedReader(theHTML); 
   String s = ""; 
   while ((s = br.readLine()) != null) { 
    content.append(s + "\r
"); 
   } 
  } catch (Exception e) { 
   e.printStackTrace(); 
  } 
  //                
  return content.toString(); 
 } 
  
 //    
 public static void doLogin(String username, String password) { 
  String form = "<form id=\"J_StaticForm\" action=\"https://login.taobao.com/member/login.jhtml\" method=\"post\" autocomplete=\"on\"><input type=\"text\" name=\"TPL_username\" id=\"TPL_username_1\" value=\"" + username + "\"><input type=\"password\" name=\"TPL_password\" id=\"TPL_password_1\" value=\"" + password + "\"><input type=\"hidden\" id=\"J_TPL_redirect_url\" name=\"TPL_redirect_url\" value=\"http://www.taobao.com/?spm=a2107.1.1000340.1.AL2Mpn\"><button type=\"submit\" id=\"J_SubmitStatic\"> 　 </button></form>"; 
  doPost(form); 
 } 
 
 public static void main(String[] args) { 
  //doLogin(); 
  // new MyThread().start(); 
  // new MyThread().start(); 
  // new MyThread().start(); 
  // new MyThread().start(); 
  // new MyThread().start(); 
  // new MyThread().start(); 
  // new MyThread().start(); 
  new MyThread().start(); 
 } 
}