微信分享ticket生成源码实例

package seud.weixin.getticket; import java.io.IOException; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.sql.Connection; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.Formatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.json.JSONException; import net.sf.json.JSONObject; @SuppressWarnings("serial") public class GetTicket extends HttpServlet { public String jsapi_ticket = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi"; private String appId = "wx7fc3235573c4f18b";//微信公众号生成 示例无效 private String appSecret = "ab54232f06efc9afd556b9822e2aa8f";//微信公众号生成 示例无效 public Map<String, String> querySignature(String url) { String token = getJsapiTicket(); String ticket = getTicket(token); Map<String, String> map = makeWXTicket(ticket, url); return map; } //获取token public String getToken() { String url = "https://api.weixin.qq.com/cgi-bin/token"; String param = "grant_type=client_credential&appid=" + appId + "&secret=" + appSecret; String returnValue = HttpRequest.sendGet(url, param); System.out.println(returnValue); return returnValue; } //获取Ticket @SuppressWarnings({ "deprecation", "static-access" }) public String getTicket(String access_token) { String url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket"; String param = "access_token=" + access_token+"&type=jsapi"; String returnValue = HttpRequest.sendGet(url, param); JSONObject jsonObj = new JSONObject().fromString(returnValue); String ticket = jsonObj.getString("ticket"); return ticket; } @SuppressWarnings({ "deprecation", "static-access" }) public String getJsapiTicket() { JSONObject jsonObject = new JSONObject(); JSONObject jsonObj = jsonObject.fromString(getToken()); String access_token =jsonObj.getString("access_token"); String requestUrl = jsapi_ticket.replace("ACCESS_TOKEN", access_token); System.out.println("Getting weixin js_token...URL:"+requestUrl); String curJSToken =""; if (null != jsonObj) { try { curJSToken =access_token; int expiresJSToken = jsonObj.getInt("expires_in"); long curJSTokenTime = System.currentTimeMillis(); System.out.println("update weixin token:"+curJSToken+"expires_in is:"+expiresJSToken+" curTime:"+curJSTokenTime); } catch (JSONException e) { System.out.println("Get JS_Token Error! errcode:{} errmsg:{}"+jsonObject.getInt("errcode")+jsonObject.getString("errmsg")+e); } } else { System.out.println("http for weixin return null"); curJSToken=""; } return curJSToken; } public Map<String, String> makeWXTicket(String jsapi_ticket, String url) { Map<String, String> ret = new HashMap<String, String>(); String nonce_str = create_nonce_str(); String timestamp = create_timestamp(); String string1; String signature = ""; //注意这里参数名必须全部小写，且必须有�? string1 = "jsapi_ticket=" + jsapi_ticket + "&noncestr=" + nonce_str + "&timestamp=" + timestamp + "&url=" + url; try { MessageDigest crypt = MessageDigest.getInstance("SHA-1"); crypt.reset(); crypt.update(string1.getBytes("UTF-8")); signature = byteToHex(crypt.digest()); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (UnsupportedEncodingException 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); ret.put("appid", appId); return ret; } private static String byteToHex(final byte[] hash) { Formatter formatter = new Formatter(); for (byte b : hash) { formatter.format("%02x", b); } String result = formatter.toString(); formatter.close(); return result; } private static String create_nonce_str() { return UUID.randomUUID().toString(); } private static String create_timestamp() { return Long.toString(System.currentTimeMillis() / 1000); } @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { this.doPost(req, resp); } @SuppressWarnings({ "unchecked", "static-access", "deprecation" }) @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("text/html;charset=utf-8"); req.setCharacterEncoding("utf-8"); resp.setCharacterEncoding("utf-8"); String url = req.getParameter("url"); String urldecode = "?from=timeline&isappinstalled=0"; if(url!=null){ urldecode = URLDecoder.decode(url); } Map<String,String> map = null; String returnValue = ""; if(urldecode.contains("?")){ try { // 　 朋友圈 from=timeline&isappinstalled=0 // 　　微信群 from=groupmessage&isappinstalled=0 // 　　好友分享 from=singlemessage&isappinstalled=0 if(urldecode.contains("timeline")){ map = (HashMap<String, String>) this.read("timeline"); }else if(urldecode.contains("groupmessage")){ map = (HashMap<String, String>) this.read("groupmessage"); }else if(urldecode.contains("singlemessage")){ map = (HashMap<String, String>) this.read("singlemessage"); } if(map!=null && map.size()>0){ String ticket = map.get("jsapi_ticket"); Map<String,String > mapp = this.makeWXTicket(ticket, urldecode); returnValue = JSONObject.fromMap(mapp).toString(); }else{ String token = getJsapiTicket(); String ticket = getTicket(token); Map<String, String> mapNew = makeWXTicket(ticket, url); if(mapNew!=null && mapNew.size()>0){ this.create(mapNew); } returnValue = JSONObject.fromMap(mapNew).toString(); } } catch (SQLException e) { e.printStackTrace(); } }else{//必须再重新获取ticket String token = getJsapiTicket(); String ticket = getTicket(token); Map<String, String> mapNew = makeWXTicket(ticket, url); if(mapNew!=null && mapNew.size()>0){ try { this.create(mapNew); } catch (SQLException e) { e.printStackTrace(); } } returnValue = JSONObject.fromMap(mapNew).toString(); } PrintWriter out = resp.getWriter(); out.println(returnValue); out.close(); } static void create(Map<String,String> map) throws SQLException { Connection conn=null; Statement st=null; ResultSet resultset=null; try { //2.建立连接 conn=JdbcUtil.getConnection(); //单例设计模式 // conn=JdbcUtilsSingle.getInstance().getConnection(); //3.创建语句 st=conn.createStatement(); //4.执行语句 String sql= " INSERT INTO weixinticket ( "+ " jsapi_ticket, "+ " nonceStr, "+