{"id":2331,"date":"2017-11-12T10:56:59","date_gmt":"2017-11-12T02:56:59","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2331"},"modified":"2017-11-12T10:56:59","modified_gmt":"2017-11-12T02:56:59","slug":"websocket%e5%ae%9e%e7%8e%b0app%e6%89%ab%e6%8f%8f%e4%ba%8c%e7%bb%b4%e7%a0%81%ef%bc%8c%e8%87%aa%e5%8a%a8%e7%99%bb%e9%99%86%e7%bd%91%e7%ab%99%e6%89%ab%e7%a0%81%e7%99%bb%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2331","title":{"rendered":"websocket\u5b9e\u73b0APP\u626b\u63cf\u4e8c\u7ef4\u7801\uff0c\u81ea\u52a8\u767b\u9646\u7f51\u7ad9(\u626b\u7801\u767b\u5f55)"},"content":{"rendered":"

\n\t\u6211\u4e86\u89e3\u7f51\u7ad9\u626b\u63cf\u4e8c\u7ef4\u7801\u5e76\u5b9e\u73b0\u81ea\u52a8\u767b\u9646\u529f\u80fd\u662f\u4ece\u5fae\u4fe1\u54ea\u91cc\u770b\u5230\u7684\uff0c\u8be5\u529f\u80fd\u4f53\u9a8c\u8fd8\u4e0d\u9519\uff0c\u51cf\u5c11\u5bc6\u7801\u88ab\u76d7\u7684\u98ce\u9669\u3002\u90a3\u4e48\u4e00\u4e2a\u666e\u901a\u7684\u7f51\u7ad9\u8be5\u5982\u4f55\u5b9e\u73b0\u6b64\u529f\u80fd\u5462\uff1f\u672c\u6587\u5c06\u501f\u52a9websocket+java\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\n<\/p>\n

\n\t\u5b9e\u73b0\u601d\u8def
\n<\/h2>\n
    \n
  1. \n\t\t\u540e\u53f0\u7cfb\u7edf\uff0c\u63d0\u4f9b\u751f\u6210\u5e26\u53c2\u6570\u7684\u4e8c\u7ef4\u7801\u7684\u63a5\u53e3\uff0c\u8fd9\u4e2a\u53c2\u6570\u5c31\u662f\u552f\u4e00\u503c\uff08\u573a\u666f\u503c\uff09\n\t<\/li>\n
  2. \n\t\t\u8bbf\u95ee\u5230\u767b\u5f55\u7f51\u7ad9\u9875\u9762 \u65f6\uff0c\u751f\u6210\u4e8c\u7ef4\u7801\n\t<\/li>\n
  3. \n\t\t\u7528\u6237\u62ffAPP\u626b\u7801\u540e\uff0cAPP\u76f4\u63a5\u5c06\u573a\u666f\u503c\u4e2d\u7684\u552f\u4e00\u503c\u548c\u7528\u6237\u4fe1\u606f\u53cd\u9988\u7ed9\u540e\u53f0\u7cfb\u7edf\n\t<\/li>\n
  4. \n\t\t\u540e\u53f0\u7cfb\u7edf\u5c06\u7528\u6237\u8bbf\u95ee\u7684\u552f\u4e00\u503c\u4fe1\u606f\u8bb0\u5f55\u5230redis\uff0ckey\u5c31\u662f\u552f\u4e00\u503c\uff08\u573a\u666f\u503c\uff09\n\t<\/li>\n
  5. \n\t\t\u7f51\u7ad9\u7aef\u505a\u8f6e\u8bad\u53bb\u67e5\u8be2redis\u4e2d\u662f\u5426\u6709\u8fd9\u4e2a\u552f\u4e00\u503c\u7684\u6570\u636e\uff0c\u5982\u679c\u6709\u5c31\u83b7\u53d6APP\u7528\u6237\u4fe1\u606f\u4fe1\u606f\uff0c\u6ca1\u6709\u5c31\u4e94\u79d2\u4e00\u6b21\u8f6e\u8bad\uff0c\u767b\u5f55\u540e\u5c31\u4e0d\u5728\u505a\u8f6e\u8bad\uff08\u4ece\u4e8c\u7ef4\u7801\u5f39\u51fa\u4e4b\u540e\u5f00\u59cb\u505a\u8f6e\u8bad\uff0c\u5173\u95ed\u4e8c\u7ef4\u7801\u540e\u505c\u6b62\u8f6e\u8bad\uff09\n\t<\/li>\n
  6. \n\t\t\u8fd9\u91cc\u7684\u552f\u4e00\u503c\u662f\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u7684\uff0c\u6211\u7528\u7684\u662f\u622a\u53d6\u4e86\u51e0\u4f4d\u7684\u65f6\u95f4\u6233\n\t<\/li>\n<\/ol>\n

    \n\t\u5b9e\u73b0\u6b65\u9aa4
    \n<\/h2>\n

    \n\t\u6839\u636e\u4e0a\u9762\u7684\u5b9e\u73b0\u601d\u8def\uff0c\u6211\u4eec\u7528java\u5199\u4e00\u4e2a\u83b7\u53d6\u5e26\u53c2\u6570\u7684\u4e34\u65f6\u4e8c\u7ef4\u7801\u63a5\u53e3\u3002\u4ee5\u4e0b\u662f\u4e3b\u8981\u4ee3\u7801\uff1a\n<\/p>\n

    \r\n\/\/ \u4e34\u65f6\u4e8c\u7ef4\u7801 \r\nprivate final static String QR_SCENE = "QR_SCENE";  \r\n\/\/ \u6c38\u4e45\u4e8c\u7ef4\u7801  \r\nprivate final static String QR_LIMIT_SCENE = "QR_LIMIT_SCENE";  \r\n\/\/ \u6c38\u4e45\u4e8c\u7ef4\u7801(\u5b57\u7b26\u4e32)  \r\nprivate final static String QR_LIMIT_STR_SCENE = "QR_LIMIT_STR_SCENE";   \r\n\/\/ \u521b\u5efa\u4e8c\u7ef4\u7801  \r\nprivate String create_ticket_path = "https:\/\/api.weixin.qq.com\/cgi-bin\/qrcode\/create";  \r\n\/\/ \u901a\u8fc7ticket\u6362\u53d6\u4e8c\u7ef4\u7801  \r\nprivate String showqrcode_path = "https:\/\/mp.weixin.qq.com\/cgi-bin\/showqrcode";  \r\n@RequestMapping("getQrcode")\r\npublic @ResponseBody String getQrcode(@RequestParam(value = "sceneId")int sceneId) throws Exception{\r\n\tString ticket = createTempTicket(tokenService.getToken(),"2592000",sceneId);\r\n\tLOGGER.info("get wechat qrcode  ==> start");\r\n\tLOGGER.info("sceneId :"+sceneId);\r\n\tLOGGER.info("ticket :"+ticket);\r\n\tLOGGER.info("get wechat qrcode  ==> end");\r\n\treturn ticket;\r\n}\r\n\/** \r\n * \u521b\u5efa\u4e34\u65f6\u5e26\u53c2\u6570\u4e8c\u7ef4\u7801 \r\n * @param accessToken \r\n * @expireSeconds \u8be5\u4e8c\u7ef4\u7801\u6709\u6548\u65f6\u95f4\uff0c\u4ee5\u79d2\u4e3a\u5355\u4f4d\u3002 \u6700\u5927\u4e0d\u8d85\u8fc72592000\uff08\u537330\u5929\uff09\uff0c\u6b64\u5b57\u6bb5\u5982\u679c\u4e0d\u586b\uff0c\u5219\u9ed8\u8ba4\u6709\u6548\u671f\u4e3a30\u79d2\u3002 \r\n * @param sceneId \u573a\u666fId \r\n * @return \/\/ \u4e1a\u4f59\u8349\uff1awww.xttblog.com\r\n *\/  \r\npublic String createTempTicket(String accessToken, String expireSeconds, int sceneId) {  \r\n\tTreeMap<String,String> params = new TreeMap<String,String>();  \r\n\tparams.put("access_token", accessToken);  \r\n\tMap<String,Integer> intMap = new HashMap<String,Integer>();\r\n\tintMap.put("scene_id",sceneId);  \r\n\tMap<String,Map<String,Integer>> mapMap = new HashMap<String,Map<String,Integer>>();  \r\n\tmapMap.put("scene", intMap);  \r\n\tMap<String,Object> paramsMap = new HashMap<String,Object>();  \r\n\tparamsMap.put("expire_seconds", expireSeconds);  \r\n\tparamsMap.put("action_name", QR_SCENE);  \r\n\tparamsMap.put("action_info", mapMap);  \r\n\tString data = new Gson().toJson(paramsMap);  \r\n\tString tse = HttpRequestUtil.HttpsDefaultExecute(HttpRequestUtil.POST_METHOD,create_ticket_path,params,data);  \r\n\tJSONObject jsonObject = JSONObject.fromObject(tse);\r\n\tLOGGER.info("ticket :"+jsonObject.getString("ticket"));\r\n\u3000\u3000return showqrcode_path+"?ticket="+jsonObject.getString("ticket");\r\n}<\/pre>\n
    \n\t\u4e8c\u7ef4\u7801\u7684\u751f\u6210\uff0c\u76f8\u4fe1\u5927\u5bb6\u90fd\u4f1a\uff0c\u6211\u8fd9\u91cc\u76f4\u63a5\u8c03\u7528\u5fae\u4fe1\u7684\u63a5\u53e3\u662f\u4e3a\u4e86\u6574\u5408\u5fae\u4fe1\u505a\u5176\u4ed6\u529f\u80fd\u3002\n<\/p>\n
    \n\t\u914d\u5408SpringMVC\u505a\u4e00\u4e2a\u63a5\u53e3\uff1a\n<\/p>\n
    \r\n@RequestMapping("getQrcode")\r\npublic @ResponseBody Hashtable getQrcode(int sceneId){\r\n\tSystem.out.println(sceneId);\r\n\tHashtable param = new Hashtable();\r\n\tparam.put("sceneId", sceneId);\r\n\tString qrcodePath = HttpUtil.postRequest(Constant.getValue("get_qrcode"), param);\r\n\tSystem.out.println(" qrcodePath ==> "+qrcodePath);\r\n\tparam.put("path", qrcodePath);\r\n\treturn param;\/\/ \u4e1a\u4f59\u8349\uff1awww.xttblog.com\r\n}<\/pre>\n
    \n\t\u7f51\u7ad9\u7aef\uff1a\u767b\u9646\u9875\u9762\u4e2d\u505a\u8f6e\u8bad\uff0c\u6bcf\u9694\u51e0\u79d2\u67e5\u8be2\u4e00\u6b21redis\uff0c\u5982\u679c\u6709\u7528\u6237\u4fe1\u606f\u5c31\u767b\u9646\u3002\n<\/p>\n
    \r\nvar timestamp = new Date().getTime() + "";\r\nvar str = timestamp.substring(8, timestamp.length);\r\n\twindow.setInterval(function() {\r\n\tgetUser(cont);\r\n}, 10000);\r\n\tfunction getUser() {\r\n\t$.ajax({\r\n\t\ttype : 'get',\r\n\t\tdata : {\r\n\t\t\tsceneId : str\r\n\t\t},\r\n\t\tdataType : 'json',\r\n\t\turl : "getUser.do",\r\n\t\tsuccess : function(data) {\r\n\t\t\tif (data.msg == "success") {\r\n\t\t\t\tlocation.reload(); \r\n\t\t\t}\r\n\t\t},\r\n\t\terror : function(data) {\r\n\t\t\tif (data.msg == "success") {\r\n\t\t\t\tlocation.reload();\r\n\t\t\t}\r\n\t\t}\/\/ \u4e1a\u4f59\u8349\uff1awww.xttblog.com\r\n\t});\r\n}        <\/pre>\n
    \n\t\u4e0a\u9762\u4f7f\u7528\u7684\u8f6e\u8be2\u6548\u7387\u4e0d\u9ad8\uff0c\u6211\u4eec\u53ef\u4ee5\u501f\u52a9websocket\u6765\u5b9e\u73b0\uff08\u5b9e\u9645\u5e94\u7528\u4e2d\u81ea\u5df1\u5224\u65ad\u6d4f\u89c8\u5668\u662f\u5426\u652f\u6301WebSocket\uff0c\u652f\u6301\u5c31\u4f18\u5148WebSocket\uff0c\u4e0d\u652f\u6301\u5c31\u662f\u7528\u8f6e\u8be2\uff09\u3002\n<\/p>\n
    \n\t\u4f7f\u7528websocket\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5\u5f88\u5bb9\u6613\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
    \r\nvar timestamp = new Date().getTime() + "";\r\ntimestamp = timestamp.substring(0, timestamp.length-3);   \r\nvar websocket = null;\r\n\/\/\u5224\u65ad\u5f53\u524d\u6d4f\u89c8\u5668\u662f\u5426\u652f\u6301WebSocket\r\nif ('WebSocket' in window) {\r\n\twebsocket = new WebSocket("ws:\/\/www.xttblog.com\/wx\/websocket\/"+timestamp);\r\n}\r\nelse {\r\n\talert('\u5f53\u524d\u6d4f\u89c8\u5668  Not support websocket');\r\n}\r\n\/\/\u8fde\u63a5\u53d1\u751f\u9519\u8bef\u7684\u56de\u8c03\u65b9\u6cd5\r\nwebsocket.onerror = function () {\r\n\tconsole.log("WebSocket\u8fde\u63a5\u53d1\u751f\u9519\u8bef");\r\n};\r\n\/\/\u8fde\u63a5\u6210\u529f\u5efa\u7acb\u7684\u56de\u8c03\u65b9\u6cd5\r\nwebsocket.onopen = function () {\r\n\tconsole.log("WebSocket\u8fde\u63a5\u6210\u529f");\r\n}\r\n\/\/\u63a5\u6536\u5230\u6d88\u606f\u7684\u56de\u8c03\u65b9\u6cd5\r\nwebsocket.onmessage = function (event) {\r\n\tjQuery("#username").html(event.data);\r\n\tjQuery("#singup").css("display", "none");\r\n\tjQuery("#user").show();\r\n\tjQuery("#singout").show();\r\n\tlayer.closeAll();\r\n}\r\n\/\/\u8fde\u63a5\u5173\u95ed\u7684\u56de\u8c03\u65b9\u6cd5\r\nwebsocket.onclose = function () {\r\n\tconsole.log("WebSocket\u8fde\u63a5\u5173\u95ed");\r\n}\r\n\/\/\u76d1\u542c\u7a97\u53e3\u5173\u95ed\u4e8b\u4ef6\uff0c\u5f53\u7a97\u53e3\u5173\u95ed\u65f6\uff0c\u4e3b\u52a8\u53bb\u5173\u95edwebsocket\u8fde\u63a5\uff0c\r\n\/\/\u9632\u6b62\u8fde\u63a5\u8fd8\u6ca1\u65ad\u5f00\u5c31\u5173\u95ed\u7a97\u53e3\uff0cserver\u7aef\u4f1a\u629b\u5f02\u5e38\u3002\r\nwindow.onbeforeunload = function () {\r\n\tcloseWebSocket();\r\n}\r\n\/\/\u5173\u95edWebSocket\u8fde\u63a5\r\nfunction closeWebSocket() {\r\n\twebsocket.close();\r\n}<\/pre>\n
    \n\t\u670d\u52a1\u5668\u7aefsocket\u7684\u5efa\u7acb\uff0c\u5728\u5efa\u7acbsocket\u94fe\u63a5\u7684\u65f6\u5019\uff0c\u5c06\u6bcf\u4e2a\u9875\u9762\u4f20\u8fc7\u6765\u7684\u552f\u4e00\u6807\u8bc6{sceneId}\u4e0e\u4f1a\u8bdd\u4fe1\u606fsession\u8fdb\u884c\u7ed1\u5b9a\uff0c\u53ef\u4ee5\u4f7f\u7528map\u5b9e\u73b0\uff0c\u8fd9\u91cc\u7528\u7684ConcurrentMap\u3002\n<\/p>\n
    \r\n\/**\r\n * @ServerEndpoint \u6ce8\u89e3\u662f\u4e00\u4e2a\u7c7b\u5c42\u6b21\u7684\u6ce8\u89e3\uff0c\r\n * \u5b83\u7684\u529f\u80fd\u4e3b\u8981\u662f\u5c06\u76ee\u524d\u7684\u7c7b\u5b9a\u4e49\u6210\u4e00\u4e2awebsocket\u670d\u52a1\u5668\u7aef,\r\n * \u6ce8\u89e3\u7684\u503c\u5c06\u88ab\u7528\u4e8e\u76d1\u542c\u7528\u6237\u8fde\u63a5\u7684\u7ec8\u7aef\u8bbf\u95eeURL\u5730\u5740,\r\n * \u5ba2\u6237\u7aef\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2aURL\u6765\u8fde\u63a5\u5230WebSocket\u670d\u52a1\u5668\u7aef\r\n *\/\r\n@Component\r\n@ServerEndpoint("\/websocket\/{sceneId}")\r\npublic class WebSocketController {\r\n\/\/\u9759\u6001\u53d8\u91cf\uff0c\u7528\u6765\u8bb0\u5f55\u5f53\u524d\u5728\u7ebf\u8fde\u63a5\u6570\u3002\u5e94\u8be5\u628a\u5b83\u8bbe\u8ba1\u6210\u7ebf\u7a0b\u5b89\u5168\u7684\u3002\r\nprivate static int onlineCount = 0;\r\n\/\/concurrent\u5305\u7684\u7ebf\u7a0b\u5b89\u5168Set\uff0c\u7528\u6765\u5b58\u653e\u6bcf\u4e2a\u5ba2\u6237\u7aef\u5bf9\u5e94\u7684MyWebSocket\u5bf9\u8c61\u3002\r\n\/\/\u82e5\u8981\u5b9e\u73b0\u670d\u52a1\u7aef\u4e0e\u5355\u4e00\u5ba2\u6237\u7aef\u901a\u4fe1\u7684\u8bdd\uff0c\u53ef\u4ee5\u4f7f\u7528Map\u6765\u5b58\u653e\uff0c\u5176\u4e2dKey\u53ef\u4ee5\u4e3a\u7528\u6237\u6807\u8bc6\r\nprivate static ConcurrentMap<String,WebSocketController>  webSocketMap \r\n\t= new ConcurrentHashMap<String,WebSocketController>();\r\n\/\/\u4e0e\u67d0\u4e2a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u4f1a\u8bdd\uff0c\u9700\u8981\u901a\u8fc7\u5b83\u6765\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\r\nprivate Session session;\r\n\/**\r\n * \u8fde\u63a5\u5efa\u7acb\u6210\u529f\u8c03\u7528\u7684\u65b9\u6cd5\r\n * @param session  \u53ef\u9009\u7684\u53c2\u6570\u3002session\u4e3a\u4e0e\u67d0\u4e2a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u4f1a\u8bdd\uff0c\r\n * \u9700\u8981\u901a\u8fc7\u5b83\u6765\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\r\n *\/\r\n@OnOpen\r\npublic void onOpen(@PathParam("sceneId") String sceneId,Session session){\r\n\tthis.session = session;\r\n\twebSocketMap.put(sceneId, this);\r\n\t \/\/\u5728\u7ebf\u6570\u52a01\r\n\tSystem.out.println("\u552f\u4e00key\u4e3a\uff1a" + sceneId);\r\n}\r\n\/**\r\n * \u8fde\u63a5\u5173\u95ed\u8c03\u7528\u7684\u65b9\u6cd5\r\n *\/\r\n@OnClose\r\npublic void onClose(@PathParam("sceneId") String sceneId){\r\n\twebSocketMap.remove(sceneId);\/\/\u4ecemap\u4e2d\u5220\u9664\r\n}\r\n\/**\r\n * \u6536\u5230\u5ba2\u6237\u7aef\u6d88\u606f\u540e\u8c03\u7528\u7684\u65b9\u6cd5\r\n * @param message \u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u6d88\u606f\r\n * @param session \u53ef\u9009\u7684\u53c2\u6570\r\n *\/\r\n@OnMessage\r\npublic void onMessage(String message,Session session) {\r\n\tSystem.out.println("\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6d88\u606f:" + message);\r\n\tJSONObject jsonobject = JSONObject.fromObject(message);\r\n\tHashtable params= (Hashtable)JSONObject.toBean(jsonobject,Hashtable.class);\r\n\t\/\/\u7fa4\u53d1\u6d88\u606f\r\n\tWebSocketController webSocketController = webSocketMap.get(params.get("equipmentType"));\r\n\ttry {\r\n\t\twebSocketController.sendMessage((String)params.get("nickname"));\r\n\t} catch (IOException e) {\r\n\t\te.printStackTrace();\r\n\t}\r\n}\r\n\/**\r\n * \u53d1\u751f\u9519\u8bef\u65f6\u8c03\u7528\r\n * @param session\r\n * @param error\r\n *\/\r\n@OnError\r\npublic void onError(Session session, Throwable error){\r\n\tSystem.out.println("\u53d1\u751f\u9519\u8bef");\r\n\terror.printStackTrace();\r\n}\r\n\/**\r\n * \u8fd9\u4e2a\u65b9\u6cd5\u4e0e\u4e0a\u9762\u51e0\u4e2a\u65b9\u6cd5\u4e0d\u4e00\u6837\u3002\u6ca1\u6709\u7528\u6ce8\u89e3\uff0c\u662f\u6839\u636e\u81ea\u5df1\u9700\u8981\u6dfb\u52a0\u7684\u65b9\u6cd5\u3002\r\n * @param message\r\n * @throws IOException\r\n *\/\r\npublic void sendMessage(String message) throws IOException{\r\n\tthis.session.getBasicRemote().sendText(message);\r\n}<\/pre>\n
    \n\t\u4ee5\u4e0a\u5c31\u662f\u6574\u4e2a\u626b\u7801\u767b\u5f55\u529f\u80fd\u7684\u6838\u5fc3\u4ee3\u7801\u3002\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u7ed3\u5408\u6211\u7684\u5b9e\u73b0\u601d\u8def\u548c\u90e8\u5206\u4ee3\u7801\u81ea\u5df1\u5b9e\u73b0\u4e00\u4e2a\u3002<\/p>\n
    \"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/<\/p>
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