我有个问题。我只见过一次。我的代码算法设计为只请求一次。但是服务器收到了两次请求。我必须提出一个解决方案。
我想，这个问题喜欢这个 url但我找不到关于 httpurlconnection 的任何东西（错误或问题）？
设备的Android版本为4.0.3，连接方式为GET。
try {
String encoding = session.getPlatform().getEncodingIse();
if (TradeUtil.isApachiClientActive()) {
HttpResponse hr = XHttpClientFactory.getConnectionResponse(session.getPlatform(), TradeServiceType.ISE, command);
if (!session.getPlatform().isUseStaticEncodingForIse()) {
encoding = XHttpClientFactory.getEncoding(hr, encoding);
}
strRtn = TradeUtil.getResponse(hr.getEntity().getContent(), encoding);
} else {
con = TradeUtil.createConnection(session.getPlatform(), TradeServiceType.ISE, command);
if (!session.getPlatform().isUseStaticEncodingForIse()) {
encoding = TradeUtil.getEncoding(con, session.getPlatform().getEncodingIse());
}
strRtn = TradeUtil.getResponse(con.getInputStream(), encoding);
}
} catch (Exception e) {
TradeUtil.toConsole(e);
response.getResponseResult().setResponseCode(ResponseResult.CONNECTION_ERROR);
response.getResponseResult().setDescription(e.getMessage());
try {
if (con != null)
con.disconnect();
} catch (Exception ex) {
}
return response;
}
public static HttpURLConnection createConnection(Platform platform,
TradeServiceType serviceType, String command) throws Exception {
command = command + "&MTXTimeAnd=" + Calendar.getInstance().getTimeInMillis(); // Cachlemeyi
// Engellemek
// için
TradeUtil.initSSLContext(); // Zoom ve ustundeki makinalar için SSL
// handshake için trust manager set etmek
// gerekiyor.
System.setProperty("http.keepAlive", "false");// Yatirim finansman +
// Android 2.2 Bug için
// gerekli
System.setProperty("https.keepAlive", "false"); // Yatirim finansman +
// Android 2.2 Bug için
// gerekli
HttpURLConnection con;
String methodType;
String encoding;
String strAdd = null;
if (serviceType.equals(TradeServiceType.ISE)) {
strAdd = platform.getIseServiceAdress();
methodType = platform.getIseConnectionMethodType();
encoding = platform.getEncodingIse();
} else if (serviceType.equals(TradeServiceType.TURKDEX)) {
strAdd = platform.getTurkdexServiceAdress();
methodType = platform.getTurkdexConnectionMethodType();
encoding = platform.getEncodingTurkdex();
} else {
throw new IllegalArgumentException("hatali service tipi");
}
if (methodType.equalsIgnoreCase("GET")) {
strAdd = strAdd + "?" + command;
}
URL adress = new URL(strAdd);
if (adress.getProtocol().equalsIgnoreCase("https")) {
con = (HttpsURLConnection) adress.openConnection();
((HttpsURLConnection) con).setHostnameVerifier(new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
});
} else {
con = (HttpURLConnection) adress.openConnection();
}
con.setUseCaches(false);
con.setReadTimeout(platform.getConnectionTimeout());
con.setConnectTimeout(platform.getConnectionTimeout());
if (methodType.equalsIgnoreCase("POST")) {
con.setDoOutput(true);
con.setDoInput(true);
con.setRequestMethod("POST");
OutputStreamWriter osw = null;
try {
osw = new OutputStreamWriter(con.getOutputStream(), encoding);
osw.write(command);
osw.flush();
osw.close();
osw = null;
} catch (Exception ex) {
TradeUtil.toConsole(ex);
try {
if (osw != null)
osw.close();
} catch (Exception ex2) {
TradeUtil.toConsole(ex);
}
throw ex;
}
} else {
}
return con;
}