package?com.kang.servlet;

import?java.io.IOException;
import?java.security.MessageDigest;
import?java.util.Date;
import?java.util.Formatter;
import?java.util.HashMap;
import?java.util.Map;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?com.kang.util.Wechat;

public?class?TicketServlet?extends?HttpServlet?{

	private?static?final?long?serialVersionUID?=?1L;
	public?static?Integer?EXPIRES_IN?=?5400;	//1個半小時
	public?static?String?TOKEN;		//微信token
	public?static?String?TICKET;	//微信jsapi_ticket
	public?static?Date?OLDDATE;

????public?TicketServlet（）?{
????????super（）;
????}

	/**
	?*?@see?HttpServlet#doGet（HttpServletRequest?request?HttpServletResponse?response）
	?*/
	protected?void?doGet（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
		doPost（requestresponse）;
	}

	/**
	?*?@see?HttpServlet#doPost（HttpServletRequest?request?HttpServletResponse?response）
	?*/
	protected?void?doPost（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
		//判斷是否在有效期內
		if?（OLDDATE?==?null?||?（（new?Date（））.getTime（）?-?OLDDATE.getTime（））?/?1000L?>?（long）EXPIRES_IN）{
			try?{
				TOKEN?=?Wechat.getToken（）;
				TICKET?=?Wechat.getTicket（TOKEN）;
				OLDDATE?=?new?Date（）;
			}?catch?（Exception?e）?{
				e.printStackTrace（）;
			}
		}
		
		//獲取瀏覽器地址
????????String?url?=?request.getParameter（“url“）;
????????System.out.println（“url=“?+?url）;
????????
????????//生成微信簽名
????????String?signature?=?sign（TICKET?url）;
????????
????????response.getWriter（）.write（signature）;
	}

????public?static?String?sign（String?jsapi_ticket?String?url）?{
????????Map?ret?=?new?HashMap（）;
????????String?nonce_str?=?“82693e11b9bc448e892ff5289f46cd0f“;
????????String?timestamp?=?“1419835025“;
????????String?string1;
????????String?signature?=?““;

????????//注意這里參數名必須全部小寫，且必須有序
????????string1?=?“jsapi_ticket=“?+?jsapi_ticket?+
??????????????????“&noncestr=“?+?nonce_str?+
??????????????????“×tamp=“?+?timestamp?+
??????????????????“&url=“?+?url;
????????
????????System.out.println（string1）;

????????try{
????????????MessageDigest?crypt?=?MessageDigest.getInstance（“SHA-1“）;
????????????crypt.reset（）;
????????????crypt.update（string1.getBytes（“UTF-8“））;
????????????signature?=?byteToHex（crypt.digest（））;
????????}catch?（Exception?e）{
????????????e.printStackTrace（）;
????????}

????????ret.put（“url“?url）;
????????ret.put（“jsapi_ticket“?jsapi_ticket）;
????????ret.put（“nonceStr“?nonce_str）;
????????ret.put（“timestamp“?timestamp）;
????????ret.put（“signature“?signature）;

????????return?signature;
????}

????private?static?String?byteToHex（final?byte[]?hash）?{
????????Formatter?formatter?=?new?Formatter（）;
????????for?（byte?b?:?hash）{
????????????forma

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-04-22?16:45??JAVA微信分享信息修改\
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\
?????文件?????????847??2015-04-22?15:33??JAVA微信分享信息修改\game\.classpath
?????文件????????1037??2015-04-22?15:33??JAVA微信分享信息修改\game\.project
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\
?????文件?????????503??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\.jsdtscope
?????文件?????????670??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\org.eclipse.jdt.core.prefs
?????文件?????????464??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\org.eclipse.wst.common.component
?????文件?????????345??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2015-04-22?15:33??JAVA微信分享信息修改\game\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2015-04-22?15:34??JAVA微信分享信息修改\game\WebContent\
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\meta-INF\
?????文件??????????39??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\
?????目錄???????????0??2015-04-22?16:45??JAVA微信分享信息修改\game\WebContent\WEB-INF\classes\
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\
?????文件??????188671??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\commons-beanutils.jar
?????文件??????559366??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\commons-collections-3.1.jar
?????文件??????245274??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\commons-lang-2.3.jar
?????文件???????44210??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\commons-logging.jar
?????文件???????86381??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\ezmorph-1.0.4.jar
?????文件??????140060??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\json-lib-2.2.1-jdk15.jar
?????文件???????94360??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\lib\json.jar
?????文件?????????647??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\WEB-INF\web.xml
?????文件????????1613??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\index.jsp
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\rs\
?????目錄???????????0??2015-04-22?15:35??JAVA微信分享信息修改\game\WebContent\rs\js\
?????文件???????95788??2015-04-22?15:33??JAVA微信分享信息修改\game\WebContent\rs\js\jquery.1.11.1.min.js
?????文件????????1709??2015-04-22?15:34??JAVA微信分享信息修改\game\WebContent\rs\js\public.js
?????目錄???????????0??2015-04-22?15:33??JAVA微信分享信息修改\game\build\
............此處省略9個文件信息