QTcpSocket 不通过事件，直接等待获取数据结果

1class SS : public QObject
2{
3	Q_OBJECT
4public:
5	static QString getData(QString ip,int port,QString data)
6	{
7		QTcpSocket *m_pSocket=new QTcpSocket();
8		
9		m_pSocket->connectToHost(ip, port);
10		
11		if (!m_pSocket->waitForConnected())
12		{
13			return "noce";
14		}
15		//connect(m_pSocket, SIGNAL(connected()), &eventLoop, SLOT(quit()));
16		//eventLoop.exec(); 
17		if (m_pSocket->isOpen()==true)
18		{
19			int length = 0;
20			
21			m_pSocket->write(data.toLatin1(),data.length());
22			m_pSocket->waitForBytesWritten(10000);
23			QString datastr="";
24			while (m_pSocket->waitForReadyRead(60000))
25			{
26				
27				while(m_pSocket->bytesAvailable())
28				{       
29					QString vTemp;
30					vTemp = m_pSocket->readLine();
31					datastr.append(vTemp);
32				}
33				
34				
35			}
36			
37			if (datastr!="")
38				return datastr;
39
40			
41			if (m_pSocket->isOpen()==false)
42			{
43
44				m_pSocket->close();
45			}
46			return "err";
47		}else{
48			return "noconnect";
49		}
50		
51	}
52
53};