我在android中编写了套接字连接,并希望通过它发送xml。 以下是我的socket编程如何在套接字连接中发送xml
@Override
protected Void doInBackground(Void... params) {
String modifiedSentence;
try {
String message ;
message ="<?xml version=\"1.0\"?><body><sendrecv> <eventList><eventName>event</eventName> <eventName>event</eventName> <eventName>event</eventName></eventList> </sendrecv></body>";
Log.d("String to send",message.toString());
Socket clientSocket = new Socket("192.168.0.200", SERVERPORT);
DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
Log.d(TAG,"TCP Connected.");
outToServer.writeBytes(message);
modifiedSentence = inFromServer.readLine();
Log.d(TAG,modifiedSentence);
Log.d(TAG,"sucess");
/* clientSocket.close();*/
} catch (Exception e) {
Log.d("TCP Error: ",e.toString());
}
return null;
}
我觉得这个数据没有被发送到服务器,因为服务器没有响应这一要求.. 是否有任何其他的方式发送XML?
在权限许可androidManifest
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
在工作C++编写代码平台QT客户端
int received;
unsigned char header [4];
int len;
int sent;
unsigned char recvbuf[2048];
unsigned int payload_len;
sprintf (sendbuf, "%s", "<?xml version=\"1.0\"?>"\
"<body>"\
"<sendrecv>"\
"<eventList>"\
"<eventName>event1</eventName>"\
"<eventName>event2</eventName>"\
"<eventName>event3</eventName>"\
"</eventList>"\
"</sendrecv>"\
"</body>");
}
len = strlen ((const char*)sendbuf);
header[0] = (unsigned char) (len >> 24);
header[1] = (unsigned char) (len >> 16);
header[2] = (unsigned char) (len >> 8);
header[3] = (unsigned char) len;
weht_writen(s.clientfd, header,4);
weht_writen(s.clientfd, (unsigned char*)sendbuf,len);
memset (header, 0x0, 4);
received= weht_readn(s.clientfd,header,4);
if(received<0)
{
qDebug()<<"Failed to read registration message header";
return;
}
payload_len = header[0];
payload_len <<= 8;
payload_len |= header[1];
payload_len <<= 8;
payload_len |= header[2];
payload_len <<= 8;
payload_len |= header[3];
received= weht_readn(s.clientfd,recvbuf,payload_len);
您是否在清单文件中设置了权限以允许您的应用程序连接到网络? – 2016-09-29 08:32:58
服务器如何读取数据?如果期待一条线,则不会发送一条线。 – EJP
服务器期待整个XML,并会发送代表的答复之前,该服务器sould知道,它有多少字符,它必须阅读..所以我的问题是如何告诉服务器,读到这个字符 – MKY