ios微信的openid有效期多長？

獲取微信OpenId，先獲取代碼，再通過代碼獲取authtoken。從authtoken裏拿出openid給前臺的微信。別忘了在網頁賬號裏設置授權回撥頁面域名流程圖。主代碼頁js code/* write cookie */function set cookie(name，value){ var days = 30；var exp = new Date()；exp/connect/oauth2/authorize？appid = ")/SNS/oauth 2/access _ token？"；string buffer URL = new string buffer(uri)；網址。網址；公共類HttpClientUtil {//sets body公共靜態void setbodyparameter (string sb，HttpURLConnection conn)拋出io exception { data output stream out = new data output stream(conn . get output stream())；out . write bytes(sb)；out . flush()；out . close()；}//添加簽名頭公共靜態httpurl連接createposthttpconnection(字符串URI)拋出MalformedulException，IoException，protocol exception { URL URL = new URL(URI)；HttpURLConnection conn =(http urlconnection)URL . open connection()；conn . setusecaches(false)；conn . setdoinput(true)；conn . setdoooutput(true)；conn . setrequestmethod(" POST ")；conn . setinstancefolredirects(true)；conn . setconnecttimeout(30000)；conn . setreadtimeout(30000)；conn . setrequestproperty(" Content-Type "，" application/JSON ")；conn . setrequestproperty(" Accept-Charset "，" utf-8 ")；conn . setrequestproperty(" content type "，" utf-8 ")；返回連接器；} public static byte[]readInputStream(InputStream inStream)拋出異常{ ByteArrayOutputStream outStream = new ByteArrayOutputStream()；byte[] buffer =新字節[1024]；int len = 0；while((len = instream . read(buffer))！=-1){ outstream . write(buffer，0，len)；} byte[]data = out stream . tobytearray()；out stream . close()；instream . close()；返回數據；}}封裝AuthToken的VO類包com . huatek . shebao . wx pay；公共類AuthToken {私有字符串access _ tokenprivate Long expires _ in私有字符串refresh _ token私有字符串openid私有字符串範圍；私有字符串unionid私有長錯誤代碼；私有字符串errmsg公共字符串get access _ token(){ return access _ token；} public void set access _ token(String access _ token){ this . access _ token = access _ token；} public Long get expires _ in(){ return expires _ in；} public void set expires _ in(Long expires _ in){ this . expires _ in = expires _ in；} public String get refresh _ token(){ return refresh _ token；} public void set refresh _ token(String refresh _ token){ this . refresh _ token = refresh _ token；}公共字符串get OpenID(){ return OpenID；} public void setopen id(String OpenID){ this . OpenID = OpenID；}公共字符串get scope(){ return scope；} public void set scope(String scope){ this . scope = scope；}公共字符串getUnionid(){ return unionid；} public void setUnionid(String unionid){ this . unionid = unionid；} public Long getErrcode(){ return errcode；} public void setErrcode(Long errcode){ this . errcode = errcode；}公共字符串getErrmsg(){ return errmsg；} public void setErrmsg(String errmsg){ this . errmsg = errmsg；感謝您的閱讀，希望能幫到您，也感謝您對本站的支持！