说明
本实例能够监控聚划算的抢购按钮，在聚划算整点聚的时间到达时自动弹开页面（URL自己定义）。
可以自定义监控持续分钟数，同时还可以通过多线程加快刷新速度。
源码
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 下午1:24:30 */ class MyThread extends Thread { public void run() { try { // 此处参数为监控持续分钟数 PriceMonitor.monitorButton(10); } catch (Exception e) { e.printStackTrace(); } } }; public class PriceMonitor { // 监控的商品URL private static String URL = "http://detail.ju.taobao.com/home.htm?spm=608.2214381.3.1.AdPEjn&item_id=38260927591&id=10000002781939"; // 监视按钮 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(","); // 当前按钮状态 String currentButton = result[0]; // 马上抢 表单 //String form = result[1]; String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()); System.out.println(nowTime + " - 现在按钮是 " + currentButton); if (currentButton == "马上抢" || currentButton.equals("马上抢") || currentButton == "还有机会" || currentButton.equals("还有机会")) { System.out.println("赶紧下单！"); try { java.awt.Desktop.getDesktop().browse(new URI(URL)); } catch (Exception e) { e.printStackTrace(); } //doPost(form); break; } else if (currentButton == "卖光了" || currentButton.equals("卖光了") || currentButton.equals("已结束") || currentButton.equals("已结束")) { System.out.println("下次再试吧！"); break; } else { System.out.println("还没开始呢，再等等吧！"); } } } // 获取当前按钮状态 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 { // 新建URL对象 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=/"马上抢/" value=/"马上抢/"/>") != -1) { buttonState = "马上抢"; } else if (s.indexOf("<a href=/"#/" class=/"extra notice J_BuyButtonSub/">开团提醒</a>") != -1) { buttonState = "开团提醒"; } else if (s.indexOf("<div class=/"main-box chance /">") != -1) { buttonState = "还有机会"; } else if (s.indexOf("<span class=/"out floatright/">卖光了...</span>") != -1) { buttonState = "卖光了"; } else if (s.indexOf("<span class=/"out floatright/">已结束...</span>") != -1) { buttonState = "已结束"; } if (s.indexOf("<form class=/"J_BuySubForm/" data-ccb=/"0/" data-ques=/"0/" action") != -1) { content.append(s + "/r/n"); formFlag = true; } if (formFlag == true) { if (s.indexOf("<input name=/'_tb_token_/' type=/'hidden/' value") != -1) { content.append(s + "/r/n"); } if (s.indexOf("<input type=/"hidden/" name=/"_input_charset/" value") != -1) { content.append(s + "/r/n"); } if (s.indexOf("<input type=/"hidden/" name=/"itemId/" value") != -1) { content.append(s + "/r/n"); } if (s.indexOf("<input type=/"hidden/" name=/"id/" value") != -1) { content.append(s + "/r/n"); } if (s.indexOf("<input type=/"hidden/" name=/"tgType/" value") != -1) { content.append(s + "/r/n"); } if (s.indexOf("<input type=/"submit/" class=/"buyaction J_BuySubmit/"") != -1) { content.append(s + "/r/n"); } if (s.indexOf("</form>") != -1) { content.append(s + "/r/n"); } } 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; } // 提交表单 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/n"); } } catch (Exception e) { e.printStackTrace(); } // 返回提交表单后返回的页面内容 return content.toString(); } // 登录 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/">登 录</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(); } }
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持武林网。